JP2003228747A - Etc system operation support device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an ETC system operation support device capable of easily grasping abnormalities in an ETC system. <P>SOLUTION: A plurality of vehicle detectors 21, 22, 23, 24 are disposed discretely on a road side to detect the passing state of a vehicle traveling on the road and output state information S1, S2, S3, S4 indicating the passing state. A vehicle management device 1 comprises a position determining table that correlates the state information S1, S2, S3, S4 with position information 63 indicating the positions of the vehicle, and generates vehicle information 60 indicating the vehicle traveling on the road by referring to the position determining table 30. The vehicle information 60 includes the position information 63. A vehicle passing condition reconstitution device 4 displays on a display device 5 a visualized passing state based on the vehicle information 60. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to driving on a toll road /
Regarding the ETC system that collects tolls for passing vehicles,
In particular, it relates to an ETC system operation support device that supports the operation of the ETC system.

[0002]

2. Description of the Related Art Currently, on domestic and overseas toll roads, a toll road is provided on the toll road side and a toll gate equipped with a wireless communication function and an on-vehicle device mounted on the vehicle and equipped with a wireless communication function charge the vehicle to a toll road. Non-stop automatic toll collection (ETC: Ele) that allows you to collect tolls without stopping at a place
A ctronic Toll Collection system has been put to practical use.

Further, the tollgate is further provided with a plurality of detectors (vehicle detectors) discretely provided on the toll road side in order to realize the ETC system. This ETC system recognizes a vehicle traveling on a toll road by a plurality of vehicle detectors. The ETC system detects a vehicle passing state (entry or exit) by a plurality of vehicle detectors, and performs wireless communication while the vehicle is in a range (wireless communication effective range) where wireless communication is effective at a tollgate. With a toll booth with functions,
Necessary information is exchanged and on-board tolls are collected by the on-board device mounted on the vehicle.

However, in the ETC system,
Due to a failure or erroneous detection of at least one vehicle detector among the plurality of vehicle detectors, an abnormality in the passing state of the vehicle (abnormality of the ETC system) occurs, and recognition of the vehicle traveling on the toll road and the ETC system May be misaligned.

Due to the misrecognition of the ETC system, after the vehicle travels on the toll road, the ETC system may recognize that the vehicle exists even though there is no vehicle on the toll road. is there. Such a phenomenon is called a detection failure of the vehicle detector. In addition, due to the misrecognition of the ETC system, when the vehicle is traveling on the toll road, the E
The TC system may recognize that the vehicle is not present. As a result, the ETC system cannot perform wireless communication for collecting the toll while the vehicle is in the wireless communication effective range, and fails in the wireless communication and toll collection.

For this reason, employees working at toll booths are
In order to take necessary measures in case of system malfunction, ET
It is necessary to understand the abnormality of the C system. A system that can easily determine (understand) the abnormality of the ETC system is desired. Further, in order to grasp the abnormality of the ETC system, a system capable of visualizing the passing state of the vehicle detected by the vehicle detector is desired.

[0007]

The object of the present invention is to provide ET
ETC that can easily grasp the abnormality of the C system
To provide a system operation support device.

Another object of the present invention is to provide an ETC system operation support device capable of visualizing a passing state of a vehicle detected by a vehicle detector.

Still another object of the present invention is to make it possible to notify the abnormality of the ETC system by visualizing the passing state of the vehicle detected by the vehicle detector.
It is to provide a C system operation support device.

[0010]

[Means for Solving the Problems] Means for solving the problems will be described below with reference to the numbers and symbols used in the embodiments of the present invention. These numbers and signs are added to clarify the correspondence between the description in [Claims] and the description in [Embodiment of the Invention], but in [Claims] It should not be used to interpret the technical scope of the described invention.

The ETC system operation support device of the present invention is
A plurality of vehicle detectors (21, 22, 23, 24/21, 22, 24) discretely provided on the road side (71), a vehicle management device (1), a display device (5), and a vehicle. And a traffic state reconstruction device (4). Multiple vehicle detectors (2
1, 22, 23, 24/21, 22, 24) detects the passing state of the vehicle (10, 10 ′) traveling on the road (70), and the state information (S1, S2, S
3, S4 / S1, S2, S4) are output. The vehicle management device (1) uses status information (S1, S2, S3, S4 / S
The position determination table (3) in which the position information (63) indicating the position of the vehicle (10, 10 ′) is associated with each other.
0/35) and referring to the position determination table (30/35), the vehicle (10, 1) traveling on the road (70).
Vehicle information (60) indicating 0 ') is generated. The vehicle information (60) includes position information (63). The vehicle traffic state reconstruction device (4) visualizes the passing state based on the vehicle information (60) and displays it on the display device (5).

As a result, the ETC system operation support device of the present invention uses the vehicle information (60) to determine the road (7
By visualizing and displaying the passing state of the vehicle (10, 10 ') traveling in 0), the employee working at the tollgate belonging to the ETC system operation support device can detect an abnormal passing state (abnormality of the ETC system). ) Can be easily grasped and necessary measures can be taken when the ETC system is abnormal.

Status information (S1, S2, S3, S4 / S
1, S2, S4) are a plurality of vehicle detectors (21, 22,
23, 24/21, 22, 24) includes time information (62) indicating the time when the passing state is detected. The vehicle management device (1) generates vehicle information (60) that associates the time information (62) with the position information (63).

The vehicle management device (1) uses the position information (63).
And vehicle length information (64) indicating the length of the vehicle (10, 10 ')
And a vehicle length determination table (40/45) for associating with, and further including vehicle length information (64) with reference to the position determination table (30/35) and the vehicle length determination table (40/45). Vehicle information (60) is generated.

A plurality of vehicle detectors (21, 22, 23, 2)
4/21, 22, 24) first vehicle detector (2
1) is further provided on the road (70). The vehicle management device (1) receives status information (S) from the first vehicle detector (21).
Based on 1), axis number information (65) indicating the number of axes of the vehicle (10, 10 ') is generated, and vehicle information (60) further including the axis number information (65) is generated.

The vehicle traffic state reconstruction device (4) is based on the vehicle information (60) and is a passing state of the vehicle (10, 10 ') traveling on the road (70) at the time indicated by the time information (62). Is visualized and displayed on the display device (5).

The ETC system operation support device of the present invention is
A vehicle information storage device (3) for storing vehicle information (60) is further provided. The vehicle management device (1) reads the vehicle information (60) stored in the vehicle information storage device (3), and the vehicle traffic state reconstruction device (4) reads the vehicle information read by the vehicle management device (1). Based on (60), the passing state is visualized and displayed on the display device (5).

The vehicle management device (1) uses the position information (63).
Type information (67) indicating the type of anomalies in the passing and passing states
An abnormal state determination table (90/95) for associating with and is further provided, and with reference to the abnormal state determination table (90/95), when the passing state is abnormal, the abnormal type information (6
The vehicle information (60) further including 7) is generated. This vehicle management device (1) stores vehicle information (60) that associates time information (62) with abnormality type information (67) when the passing state is abnormal at the time when the passing state is detected. To generate. The vehicle traffic state reconstruction device (4) notifies the abnormality of the passing state based on the abnormality type information (67) included in the vehicle information (60). An abnormality in the passing state is caused by a plurality of vehicle detectors (21, 22, 23, 24/21, 22,
It is caused by a malfunction or a false detection of at least one vehicle detector of 24).

As a result, the ETC system operation support device of the present invention uses the vehicle information (60) to determine the road (7
By visualizing the passing state of the vehicle (10, 10 ') traveling in 0), the employee working at the toll booth belonging to the ETC system operation support device is notified of the passing state abnormality (ETC system abnormality). be able to. The employee
In the event of an ETC system malfunction, the necessary measures can be taken immediately.

A plurality of vehicle detectors (21, 22, 23, 2)
4/21, 22, 24) are included in the ETC system. The ETC system mentioned here is an entrance / exit fee collection system. The ETC system operation support device is used for an entrance / exit fee collection system.

A plurality of vehicle detectors (21, 22, 23, 2)
4/21, 22, 24) are included in the ETC system. The ETC system mentioned here is a uniform fee collection system. The ETC system operation support device is used for a flat fee collection system.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION The ETC system is provided with a toll gate equipped with a wireless communication function on a toll road line, and wirelessly communicates with an in-vehicle device mounted on a vehicle to collect the toll without stopping the vehicle. It is possible. In addition, the toll booth has an entrance to the toll booth and an exit to the toll booth.
In order to realize the system, a plurality of vehicle detectors provided at the toll gate (discretely provided on the toll road side between the entrance to the toll gate and the exit to the toll gate) are further provided. .
The toll collection method performed by the ETC system includes (i) entrance / exit fee collection method and (ii) uniform fee collection method.

(I) The entrance / exit toll collection system includes, as the above-mentioned toll gates, an entrance toll gate on the toll road line (hereinafter referred to as an entrance toll gate) and an exit toll gate on the toll road line (hereinafter referred to as an exit toll gate). To use. (I) The entrance / exit toll collection method determines the vehicle type indicating the type of vehicle by the vehicle detector (the detection result of the vehicle and the wireless communication result by the wireless communication function) provided at the entrance tollgate, and the exit tollgate The travel distance when the vehicle travels on the toll road is determined, and the toll is determined and charged according to the vehicle type and the travel distance.

(Ii) In the uniform toll collection system, the vehicle type is determined by the vehicle detector (the detection result of the vehicle and the wireless communication result by the wireless communication function) provided at the toll booth (the uniform system toll booth), and traffic is passed depending on the vehicle model. Decide the fee and charge. (Ii)
With the flat rate toll collection method, the toll differs depending on the vehicle type, regardless of the distance traveled.

The ETC system uses four vehicle detectors or three vehicle detectors as a plurality of vehicle detectors in (i) an entrance / exit fee collection system and (ii) a uniform fee collection system. The ETC system operation support device of the present invention supports the operation of such an ETC system,
It is used for (i) entrance / exit charge collection system and (ii) uniform charge collection system. E when using four vehicle detectors
As an embodiment of the ETC system operation support apparatus of the present invention for supporting the operation of the TC system, the ETC system operation support apparatus according to the first and second embodiments will be described with reference to FIGS.
Will be described with reference to. The ETC of the present invention that supports the operation of the ETC system when using three vehicle detectors
As an embodiment of the system operation support device, an ETC system operation support device according to the third and fourth embodiments is shown in FIG.
It will be described with reference to FIGS.

(Embodiment 1) FIG. 1 is a block diagram showing a configuration of an ETC system operation support apparatus 100 according to Embodiment 1. ETC system operation support device 100
(I) is provided at the entrance toll booth and the exit toll booth when used in the entrance to exit toll collection system. The entrance toll gate and the exit toll gate have an entrance to the toll gate and an exit to the toll gate, respectively. In addition, the ETC system operation support device 10
0 is provided at the flat rate toll gate when (ii) the flat fee collection system is used. The uniform type toll booth has an entrance to the toll booth and an exit to the toll booth.

As shown in FIG. 1, the ETC system operation support device 100 includes a vehicle management device 1, an input device 2, a vehicle information storage device 3, a vehicle traffic state reconfiguration device 4, a display device 5, a control device 6, Input / output device 7, roadside display 8, antennas 9a, 9b, start controller 25, vehicle detectors 21, 2
2, 23, 24 are provided. Control device 6, input / output device 7,
Roadside display 8, antennas 9a, 9b, start controller 25,
The vehicle detectors 21, 22, 23, and 24 form a part of the ETC system, and the control device 6, the input / output device 7, and the antennas 9a and 9b form a wireless communication function.

The display device 5 is exemplified by a CRT and is connected to the vehicle traffic state reconstruction device 4. Roadside display 8,
The antennas 9 a and 9 b are connected to the input / output device 7. The input / output device 7 is connected to the control device 6. The vehicle detectors 21, 22, 23, 24 and the control device 6 are connected to the input device 2. The input device 2, the vehicle information storage device 3, the vehicle traffic state reconstruction device 4, and the control device 6 are connected to the vehicle management device 1.

The vehicle detectors 21, 22, 23, 24 are discretely arranged in the order of the vehicle detectors 21, 22, 23, 24 on the toll road side between the entrance of the toll gate and the exit of the toll gate. It is provided. The ETC system recognizes a vehicle traveling on a toll road by means of vehicle detectors 21, 22, 23, 24 provided at toll gates. The vehicle detector 21 is provided on the toll road and toll road side of the entrance to the toll gate. The antenna 9a is provided on the toll road (in the air) between the vehicle detector 21 and the vehicle detector 22. The antenna 9b is provided on the toll road (in the air) behind the exit of the toll booth. The start controller 25 is, for example, a breaker that can be opened and closed and a blocking rod, and is provided on the toll road side between the vehicle detector 23 and the vehicle detector 24. The start controller 25 refuses the passage of the vehicle (vehicle not equipped with the vehicle-mounted device) when closed, and permits the vehicle (vehicle mounted with the vehicle-mounted device) when opened. The roadside indicator 8 is provided in front of the vehicle detector 24 or on the toll road side behind the vehicle detector 24. In this embodiment, the roadside indicator 8 is provided on the toll road side behind the vehicle detector 24. The vehicle detector 23 corresponds to the specific location described above. Specific arrangements of the roadside indicator 8, the antennas 9a and 9b, the start controller 25, and the vehicle detectors 21, 22, 23, and 24 will be described later.

The vehicle detectors 21, 22, 23, 24 detect a passing state (entry, exit) of a vehicle traveling on a toll road when the vehicle passes from the entrance of the toll gate to the exit of the toll gate. Then, the state information S1 indicating the passing state of the vehicle,
The S2, S3, and S4 are output to the input device 2. State information S
1, S2, S3, S4 are the states of the passage of the vehicle (entry,
Time information 62 indicating the time when the exit is detected, and entry information indicating entry of the vehicle or exit information indicating exit of the vehicle are included as the passing state of the vehicle. Further, the state information S1 further includes forward movement information indicating the forward movement of the vehicle or reverse movement information indicating the reverse movement of the vehicle as the passing state of the vehicle.

The input device 2 includes vehicle detectors 21, 22, 2
State information S1, S2, S3, S4 from 3, 24 is input, and the state information S1, S2, S3, S4 is output to the vehicle management device 1 and the control device 6.

The control device 6 is an information processing device having a computer program and has a database 50. The database 50 stores a toll table 51. The control device 6 collects the state information S1, S2, S3, S4 from the input device 2. The control device 6 is
Based on the approach information included in the state information S1, the antenna 9a outputs radio waves for wireless communication with the vehicle-mounted device having the wireless communication function to the vehicle, manages the vehicle, and manages the vehicle type (small vehicle, normal vehicle). The input / output device 7 is controlled so as to acquire a vehicle management number 61 (vehicle identification information) including vehicle type information indicating a vehicle, a large vehicle, ... At this time, the control device 6
When the vehicle is equipped with an on-vehicle device having a wireless communication function, an on-vehicle device I for identifying the on-vehicle device as the vehicle management number 61 by outputting radio waves from the antenna 9a.
Acquire D (vehicle-mounted device identification number). In addition, the control device 6
If the vehicle is not equipped with an in-vehicle device, the antenna 9
By outputting the radio wave from a, the radio wave number indicating the radio wave is generated as the vehicle management number 61 and acquired by itself.
The control device 6 copies the acquired vehicle management number 61 and outputs it to the vehicle management device 1.

The vehicle management device 1 manages the state of the vehicle based on the state information S1, S2, S3, S4 from the input device 2 and the vehicle management number 61 from the control device 6. The vehicle management device 1 is an information processing device including a computer program 11, and the computer program 11
The collection unit 12, the generation unit 16, the output unit 17, and the database 18 are provided. The generation unit 16 includes the position determination unit 1
3, a vehicle length determination unit 14, and a number storage unit 15. A position determination table 30 and a vehicle length determination table 40 are stored in the database 18.

The collecting unit 12 collects the status information S1, S2, S3, S4 from the input device 2 and the vehicle management number 61 from the control device 6. The position determination table 30 associates the state information S1, S2, S3, S4 with the position information 63 indicating the position of the vehicle traveling on the toll road. The vehicle length determination table 40 associates the position information 63 with the vehicle length information 64 indicating the length (vehicle length) of the vehicle traveling on the toll road.

The generator 16 refers to the position determination table 30 and the vehicle length determination table 40 to generate the vehicle information 60 indicating the vehicle traveling on the toll road and notifying the passing state of the vehicle. The vehicle information 60 includes a vehicle management number 61 collected by the collection unit 12, time information 62 included in the state information S1, S2, S3, and S4 collected by the collection unit 12, and a time indicated by the time information 62. Position information 63 indicating the position of the vehicle traveling on the toll road, vehicle length information 64 indicating the length of the vehicle traveling on the toll road based on the position information 63, and vehicle state information S1 collected by the collecting unit 12 Axis number information 65 indicating the number of axes is included.

At this time, the position determination unit 13 of the generation unit 16
Is the state information S1, S collected by the collection unit 12.
Through steps S2, S3, and S4, the position determination table 30 is referenced to determine the position of the vehicle indicated by the position information 63. Also,
The vehicle length determination unit 14 of the generation unit 16 refers to the vehicle length determination table 40 based on the position information 63 indicating the position determined by the position determination unit 13, and determines the length of the vehicle indicated by the vehicle length information 64. . The number storage unit 15 of the generation unit 16 stores the vehicle management number 61. The output unit 17 saves the vehicle information 60 generated by the generation unit 16 in the vehicle information storage device 3 and outputs the vehicle information 60 to the vehicle traffic state reconstruction device 4.

The vehicle information storage device 3 is an information processing device provided with a computer program, and is a database 20.
Have. The vehicle information storage device 3 stores (registers) the vehicle information 60 from the vehicle management device 1 in the database 20 as a travel history. The generation unit 16 of the vehicle management device 1 has a search algorithm for accessing the database 20 with the vehicle management number 61 to search and read the vehicle information 60.

The input device 2 is the vehicle detectors 21, 22, 2
State information S1, S2, S of the same vehicle newly from 3, 24
3 and S4 are input, and when the collecting unit 12 newly collects the state information S1, S2, S3, and S4 from the input device 2,
The generation unit 16 updates the vehicle information 60 indicating the vehicle management number 61 by using the vehicle management number 61 stored in the number storage unit 15 in the database 20 of the vehicle information storage device 3.
To access and retrieve the vehicle information 60 stored in the database 20. The generation unit 16 uses the state information S1, S2, S3, S newly collected by the collection unit 12.
4, the vehicle information 60 indicating the read vehicle management number 61 is generated (updated). The output unit 17 is the generation unit 16
The vehicle information 60 indicating the vehicle management number 61 generated (updated) by is stored in the vehicle information storage device 3 and output to the vehicle traffic state reconstruction device 4.

The vehicle traffic state reconstruction device 4 is an information processing device having a computer program. The vehicle traffic state reconstruction device 4 uses the vehicle information 60 from the vehicle management device 1.
On the basis of the above, in order to reconstruct the passing state (passing state / passing state) of the vehicle traveling on the toll road, it is visualized in real time and displayed on the display device 5.

As described above, the ETC system operation support device 100 used for (i) the entrance / exit charge collection system and (ii) the uniform charge collection system, based on the vehicle information 60,
The passing state of the vehicle 10 traveling on the toll road 70 at a certain time can be visualized and displayed.

FIG. 2 shows the ETC system operation support device 10.
2 is a block diagram showing a configuration provided on the toll road side 71 (roadside of the toll road 70) at 0. FIG. The toll road 70 has a toll road width M in the Y direction.

As shown in FIG. 2, the vehicle detector 21,
22, 23, 24 are optical sensors 21a, 22a, 2
3a and 24a. Optical sensors 21a, 22a,
23a and 24a are, for example, vehicle detectors 21, 22, and 2.
It is provided in the central part of 3, 24. Vehicle detector 21,
22, 23, 24 (optical sensors 21a, 22a, 23
a, 24a) is an optical sensor 21 on the toll road side 71.
a, 22a, 23a, and 24a are discretely provided in the X1 direction.

Vehicle detector 21 (optical sensor 21a)
Is provided on the toll road side 71 of the entrance to the toll gate. The vehicle detector 22 (optical sensor 22a) is charged at a distance L1 in the X1 direction from the center of the vehicle detector 21 (optical sensor 21a) to the center of the vehicle detector 22 (optical sensor 22a). It is provided on the road side 71.
The vehicle detector 23 (optical sensor 23a) starts from the center of the vehicle detector 22 (optical sensor 22a).
3 (optical sensor 23a) is provided on the toll road side 71 at a distance L2 in the X1 direction at the center. The vehicle detector 24 (optical sensor 24a) is the vehicle detector 23.
The vehicle detector 24 from the center of the (optical sensor 23a)
At the center of the (optical sensor 24a), the distance L in the X1 direction
It is provided on the toll road side 71 apart from each other by 3.

Here, the distance L1 is, for example, 4 meters, the distance L2 is, for example, 10 meters, and the distance L is
3 is, for example, 4 meters.

The toll gate is from the entrance to the toll gate to the toll road 7.
It extends in the X1 direction along 0 and has a distance L to the exit of the toll booth. The distance L is a distance L0 from the entrance of the tollgate to the center of the vehicle detector 21 (optical sensor 21a).
, The distance L1, the distance L2, the distance L3, and the distance L4 from the central portion of the vehicle detector 24 (optical sensor 24a) to the exit of the toll booth.

Optical sensors 21a, 22a, 23a, 2
Infrared rays and ultrasonic waves are used as 4a. In this embodiment, the optical sensors 21a, 22a, 23a, 24
It is assumed that infrared rays are used for a. The optical sensors 21a, 22a, 23a, 24a are provided in the areas 21A, 22 from the toll road side 71 toward the toll road side 72 in the Y direction.
Infrared rays are output (emitted / emitted) to A, 23A, and 24A. Areas 21A, 22A, 23A, and 24A include toll road width M and effective output widths L21, L22, L23, and L24.
And an arbitrary height higher than the height of the vehicle body of the vehicle 10. Effective output widths L21, L22, L23, L24 are
For example, it has twice the distance L0. The effective output width L22 is
It is separated from the effective output width L21 in the X1 direction by a distance L5. The effective output width L23 is separated from the effective output width L22 in the X1 direction by a distance L6. The effective output width L24 is separated from the effective output width L23 in the X1 direction by a distance L7.

The above-mentioned antenna 9a is used for the vehicle detector 21.
It is provided on the toll road 70 between the (optical sensor 21a) and the vehicle detector 22 (optical sensor 22a) at an arbitrary height higher than the height of the vehicle body of the vehicle 10. The arbitrary height is, for example, 6 meters above the toll road 70. The antenna 9a is in a range in which wireless communication is effective from any height on the toll road 70 (6 meters above the ground) toward the toll road 70 (wireless communication effective range).
The radio wave is output to the area 9A indicating the area. Area 9
A has a toll road width M, a distance L5, and an arbitrary height (6 meters above the ground).

The above-mentioned antenna 9b is used for the vehicle detector 24.
It is provided at an arbitrary height (6 meters above the ground) on the toll road 70 separated from the (optical sensor 24a) by a distance L8. The antenna 9b extends from an arbitrary height on the toll road 70 (6 meters above the ground) downward to the toll road 70 in a range where wireless communication is effective (wireless communication effective range) /
The above-mentioned radio wave is output to the area 9B indicating the area. Area 9B
Is a toll road width M, a distance L9, and an arbitrary height (6 above ground).
M) and. The distance L9 is the effective output width L24.
From the central portion of the vehicle detector 24 (optical sensor 24a) in the X1 direction (L0 + L8) because the distance L0 is 1/2 times the effective output width L24. That is, they are separated by a distance (L4-L9). The distance (L4 to L9) is, for example, 0 to 15 meters, and differs depending on the toll booth.

The start controller 25 described above is used as the vehicle detector 23.
Provided on the toll road side 71 and the toll road side 72 between the (optical sensor 23a) and the vehicle detector 24 (optical sensor 24a), for example, at a distance of 0.5 meters in the X2 direction from the vehicle detector 24. Has been. Roadside display 8 described above
Is behind the vehicle detector 24, for example, 0.5 meters away from the vehicle detector 24 in the X1 direction and is on the toll road side 72.
It is provided in. Although not shown, the above roadside display 8
Is located in front of the vehicle detector 24, for example, at a distance of 0.5 meters in the X2 direction from the start controller 25, and is on the toll road side 7
It may be provided in 2.

Optical sensors 21a, 22a, 23a, 2
As the operation of 4a, the vehicle 10 traveling in the X1 direction on the toll road 70 passes the vehicle detectors 21, 22, 23, 24 (optical sensors 21a, 22a, 23a, 24a),
When the infrared rays output from the optical sensors 21a, 22a, 23a, 24a to the regions 21A, 22A, 23A, 24A are blocked, the optical sensors 21a, 22a, 23
a and 24a detect the entry of the vehicle 10 as a passing state of the vehicle 10. After the infrared rays are blocked, the vehicle 10 passes through the vehicle detectors 21, 22, 23, 24, and from the optical sensors 21a, 22a, 23a, 24a to the area 21A,
When the infrared rays output to 22A, 23A, 24A are not blocked, the optical sensors 21a, 22a, 23a, 24
“A” detects exit of the vehicle 10 as a passing state of the vehicle 10.

Here, the optical sensors 21a, 22a, 2
3a and 24a are in an ON state (referred to simply as ON) until the vehicle 10 is detected and the optical sensors 21a, 22a, 23a, and 24a detect that the vehicle 10 has exited. The optical sensors 21a, 22a, 23a, 24a are mounted on the vehicle 1
When the exit of 0 is detected, the state becomes OFF (simply referred to as OFF).

The vehicle detector 21 is a pressure sensor 21.
b and a tread 21c that covers the pressure sensor 21b. Vehicle detector 21 (pressure sensor 21b and tread 21c)
Is provided on the toll road 70 corresponding to the area 21A at the entrance to the toll gate.

A plurality of pressure sensors 21b are arranged on the toll road 70 corresponding to the area 21A. Here, in order to simplify the drawing, a plurality of pressure sensors 21 are arranged.
As b, it is assumed that the pressure sensor 21b ′ and the pressure sensor 21b ″ are provided in this order on the toll road 70 corresponding to the area 21A in the X direction.

As the operation of the pressure sensor 21b, the vehicle 10
Travels in the X1 direction toward the entrance of the toll gate to use the toll road 70, and the vehicle detector 21 (pressure sensor 2
1b and the tread plate 21c), the tread plate 21c is stepped on by the front wheels of the vehicle 10, and the pressure sensor 21b operates in the order of the pressure sensor 21b ′ and the pressure sensor 21b ″. At this time, the vehicle detector 21 (pressure sensor 21b)
Detects the forward movement of the vehicle 10 as a passing state of the vehicle 10. The vehicle 10 stops using the toll road 70, travels in the X2 direction from the entrance of the toll gate, and detects the vehicle detector 21.
When passing through (the pressure sensor 21b and the tread 21c), the tread 21c is stepped on by the rear wheel of the vehicle 10, and the pressure sensor 21b includes the pressure sensor 21b ″ and the pressure sensor 21b ′.
Work in order. At this time, the vehicle detector 21 (pressure sensor 21b) detects the backward movement of the vehicle 10 as the state of passage of the vehicle 10.

The vehicle detector 21 has time information 6 indicating the time when the passing state (entry, exit) of the vehicle 10 is detected.
2 and the entry of the vehicle 10 (O
The above-mentioned state information including the entry information indicating N) or the exit information indicating the exit (OFF) of the vehicle, and the forward information indicating the forward movement of the vehicle 10 or the reverse information indicating the reverse movement of the vehicle 10 as the passing state of the vehicle 10. The S1 is output to the input device 2. The vehicle detectors 22, 23, 24 detect the time information 62 indicating the time when the passing state (entry, exit) of the vehicle 10 is detected.
When the vehicle 10 has passed (O
The above-mentioned state information S2, S3, S4 including the entry information indicating N) or the exit information indicating the exit (OFF) of the vehicle 10 is output to the input device 2.

ETC system included in the ETC system operation support device 100 (control device 6, input / output device 7, roadside display 8, antennas 9a, 9b, start controller 25, vehicle detectors 21, 22, 23, 24) About the operation of
Will be described with reference to. The operation of the ETC system is (i)
It is divided into an entrance / exit charge collection system and (ii) a uniform charge collection system.

(I) In the entrance / exit charge collection system, the above-mentioned toll charge table 51 shows the locations of the entrance toll gates such as small cars, ordinary cars, large cars, ... The toll gate information shown, the mileage information indicating the mileage when the vehicle 10 travels on the toll road 70 from the installation place of the entrance toll gate indicated by the toll gate information, and the vehicle 10
Is associated with the toll information 66 indicating the toll (small car toll, normal car toll, large car toll, ...) Generated when the vehicle travels on the toll road 70. In this case, at the (i-1-0) entrance toll gate, the control device 6
Outputs radio waves for performing wireless communication from the antenna 9a to the vehicle-mounted device having the wireless communication function in the vehicle 10 to the area 9A based on the entry information “ON” included in the state information S1 to the vehicle-mounted device. The toll gate information is stored and the input / output device 7 is controlled so as to obtain the vehicle management number 61 including the vehicle type information. The control device 6 copies the acquired vehicle management number 61 and outputs it to the vehicle management device 1. Further, at the (i-2-0) exit toll gate, the control device 6 wirelessly communicates with the vehicle-mounted device having the wireless communication function from the antenna 9a to the vehicle 10 based on the entry information "ON" included in the state information S1. The input / output device 7 is controlled so as to output a radio wave for communication to the area 9A and acquire the vehicle management number 61 including the tollgate information stored in the vehicle-mounted device at the entrance tollgate and the vehicle type information. . The control device 6 copies the acquired vehicle management number 61 and outputs it to the vehicle management device 1.

(I-1-1) At the entrance toll gate of the entrance / exit toll collection system, when the vehicle management number 61 of the vehicle 10 is a radio wave number and the vehicle 10 enters the vehicle detector 22, the control device 6 Information indicating that the roadside display 8 refuses to pass the vehicle 10 based on the entry information “ON” included in the state information S2 generated when the vehicle 10 enters the vehicle detector 22 (example: “passage denied”). "," Cannot pass ") is displayed, and the input / output device 7 is controlled so that the start controller 25 is closed.

(I-1-2) At the entrance toll gate of the entrance / exit toll collection system, the vehicle management number 61 of the vehicle 10 is the radio wave number, and the vehicle 10 enters the vehicle detector 22 and moves ahead of the vehicle 10. The traveling vehicle (front vehicle) is the vehicle detector 2.
In the case of exiting 4, the control device 6 determines that the entry information “ON” included in the state information S2 generated when the vehicle 10 enters the vehicle detector 22 and the preceding vehicle enters the vehicle detector 23. Based on the entry information “ON” included in the state information S3 generated in step S3, information indicating that the vehicle 10 is denied passage (“passing” or “cannot pass”) is displayed on the roadside display 8. The input / output device 7 is controlled. Further, the control device 6 controls the input / output device 7 so that the start control device 25 is closed based on the exit information “OFF” included in the state information S4 generated when the preceding vehicle exits the vehicle detector 24. To control.

(I-1-3) Entrance At the entrance toll gate of the toll collection system, the vehicle management number 61 of the vehicle 10 is the radio wave number, the vehicle 10 enters the vehicle detector 23, and the vehicle ahead detects the vehicle. When leaving the vessel 24, the control device 6
Based on the entry information “ON” included in the state information S3 generated when the vehicle 10 enters the vehicle detector 23,
The input / output device 7 is controlled so that the information (“passing prohibited” or “cannot pass”) for denying the passage of the vehicle 10 displayed on the roadside display 8 is erased. Further, the control device 6 controls the input / output device 7 so that the start control device 25 is closed based on the exit information “OFF” included in the state information S4 generated when the preceding vehicle exits the vehicle detector 24. To control.

(I-1-4) At the entrance toll gate of the entrance / exit toll collection system, when the vehicle management number 61 of the vehicle 10 is the vehicle-mounted device ID and the vehicle 10 enters the vehicle detector 22, the control device 6 Based on the entry information “ON” included in the state information S2 generated when the vehicle 10 enters the vehicle detector 22, the road-side display 8 is permitted to pass the vehicle 10 (example: “passage”). Yes, "you can pass")
Is displayed and the input / output device 7 is controlled so that the start controller 25 is opened.

(I-1-5) At the entrance toll gate of the entrance / exit toll collection system, the vehicle management number 61 of the vehicle 10 is the vehicle-mounted device ID, the vehicle 10 enters the vehicle detector 22, and the preceding vehicle is the vehicle. When the detector 24 is exited, the control device 6
Is included in the entry information “ON” included in the state information S2 generated when the vehicle 10 enters the vehicle detector 22 and in the state information S3 generated when the preceding vehicle enters the vehicle detector 23. The input / output device 7 is controlled so that the roadside display 8 displays information (“passable” or “passable”) that allows the vehicle 10 to pass based on the approach information “ON”. Further, the control device 6 controls the start controller 2 based on the exit information “OFF” included in the state information S4 generated when the preceding vehicle exits the vehicle detector 24.
The input / output device 7 is controlled so that 5 is opened.

(I-1-6) At the entrance toll gate of the entrance / exit toll collection system, the vehicle management number 61 of the vehicle 10 is the vehicle-mounted device ID, the vehicle 10 enters the vehicle detector 23, and the preceding vehicle is the vehicle. When the detector 24 is exited, the control device 6
Is the information ("" which permits the vehicle 10 displayed on the roadside display 8 based on the entry information "ON" included in the state information S3 generated when the vehicle 10 enters the vehicle detector 23. The input / output device 7 is controlled so that "passable" and "passable") are erased. Further, the control device 6 is based on the exit information “OFF” included in the state information S4 generated when the preceding vehicle exits the vehicle detector 24.
The input / output device 7 is controlled so that the start controller 25 is opened.

(I-2-1) At the exit toll gate of the entrance / exit toll collection system, when the vehicle management number 61 of the vehicle 10 is the vehicle-mounted device ID and the vehicle 10 enters the vehicle detector 22, the control device 6 Is based on the entry information “ON” included in the state information S1 generated when the vehicle 10 enters the vehicle detector 21 and the communication result of the antenna 9a,
The database 50 is accessed by the vehicle management number 61, and the toll information 66 corresponding to the vehicle type information and the toll gate information is obtained by referring to the toll table 51 based on the vehicle type information and the toll gate information included in the vehicle management number 61. Determine the toll shown. Subsequently, the control device 6 causes the antenna 9
The radio wave for performing wireless communication with the vehicle-mounted device mounted on the vehicle 10 for wireless communication function is output from the area a to the area 9A, and the vehicle 1
The toll information 66 indicating the toll is displayed on the vehicle-mounted device mounted in No. 0, and the input / output device 7 is controlled so that the toll collection is performed. Further, the control device 6 causes the roadside display 8 to display the toll information 66 indicating the toll corresponding to the vehicle 10 based on the entry information “ON” included in the state information S2. Control 7
At this time, the control device 6 stores (registers) the vehicle management number 61, the time when it is displayed on the roadside display 8 and the toll information 66 in association with each other in the database 50. Further, when the vehicle 10 enters the vehicle detector 24, the control device 6 turns off the display of the roadside display 8 based on the entry information “ON” included in the state information S4 generated at this time. The input / output device 7 is controlled.

(I-2-2) Entrance / Exit At the exit toll collection system, the vehicle management number 61 of the vehicle 10 is the vehicle-mounted device ID, the vehicle 10 enters the vehicle detector 22, and the vehicle ahead is the vehicle. When the detector 24 is exited, the control device 6
Is based on the entry information “ON” included in the state information S1 generated when the vehicle 10 enters the vehicle detector 21 and the communication result of the antenna 9a.
To access the database 50 with the vehicle management number 6
Based on the vehicle type information and toll gate information included in 1, the toll charge table 51 is referred to determine the toll charge indicated by the toll charge information 66 corresponding to the vehicle type information and the toll gate information. Subsequently, the control device 6 outputs to the area 9A a radio wave for performing wireless communication from the antenna 9a to the vehicle-mounted device mounted in the vehicle 10 for the wireless communication function, and the vehicle-mounted device mounted in the vehicle 10 outputs the radio wave to the area 9A. The toll information 66 indicating the toll is displayed in and the input / output device 7 is controlled so that the toll collection is performed. Further, the control device 6 controls the vehicle detector 24 when the vehicle ahead is
Based on the entry information “ON” included in the state information S4 generated when the vehicle enters the road, the roadside display 8 displays the toll information 66 indicating the toll corresponding to the vehicle 10 so that the input / output device is displayed. Control 7 At this time, the control device 6
Stores (registers) the vehicle management number 61, the time when it is displayed on the roadside display 8 and the toll information 66 in association with each other in the database 50. Further, when the vehicle 10 enters the vehicle detector 24, the control device 6 turns off the display of the roadside display 8 based on the entry information “ON” included in the state information S4 generated at this time. I / O device 7
To control.

(Ii) In the flat-rate toll collection system, the above-mentioned toll charge table 51 includes the small vehicle, the ordinary vehicle, the large vehicle, ... Shown by the vehicle type information included in the vehicle management number 61, and the vehicle 10.
Is associated with the toll information 66 indicating the toll (small car toll, normal car toll, large car toll, ...) Generated when the vehicle travels on the toll road 70. In this case, (ii-0) the control device 6 performs radio waves for performing wireless communication with the vehicle-mounted device having the wireless communication function from the antenna 9a to the vehicle 10 based on the entry information "ON" included in the state information S1. Is output to the area 9A to control the input / output device 7 so as to acquire the vehicle management number 61 including the vehicle type information. The control device 6 copies the acquired vehicle management number 61 and outputs it to the vehicle management device 1.

(Ii-1) At the uniform toll gate of the uniform toll collection system, when the vehicle management number 61 of the vehicle 10 is a radio wave number and the vehicle 10 enters the vehicle detector 22,
The control device 6 controls the entry information “O” included in the state information S2 generated when the vehicle 10 enters the vehicle detector 22.
Based on N ", the roadside display 8 displays information (" passing "or" cannot pass ") that the vehicle 10 is denied passage, and controls the input / output device 7 so that the start controller 25 is closed. .

(Ii-2) At the uniform toll gate of the uniform toll collection system, the vehicle management number 61 of the vehicle 10 is the radio wave number, the vehicle 10 enters the vehicle detector 22, and the vehicle 1
A vehicle traveling in front of 0 (front vehicle) is a vehicle detector 24.
When the vehicle 10 leaves the vehicle detector 23, the control device 6 determines that the entry information “ON” included in the state information S2 generated when the vehicle 10 enters the vehicle detector 22 and that the preceding vehicle enters the vehicle detector 23. Information indicating that the vehicle 10 is denied passage to the roadside display 8 based on the entry information "ON" included in the generated state information S3 ("passage prohibited", "cannot pass")
The input / output device 7 is controlled so that is displayed. Further, the control device 6 causes the exit information “OF” included in the status information S4 generated when the preceding vehicle exits the vehicle detector 24.
Based on F ", the input / output device 7 is controlled so that the start controller 25 is closed.

(Ii-3) In the uniform tolling system of the uniform toll collection system, the vehicle management number 61 of the vehicle 10 is the radio wave number, the vehicle 10 enters the vehicle detector 23, and the vehicle ahead is the vehicle detector 24. If the vehicle 10 is exiting the vehicle, the control device 6 displays the vehicle 10 on the roadside display 8 based on the entry information “ON” included in the state information S3 generated when the vehicle 10 enters the vehicle detector 23. The input / output device 7 is controlled so that the information (“passage denied”, “cannot pass”) for refusing the passage of the above is deleted. Further, the control device 6 controls the input / output device 7 so that the start control device 25 is closed based on the exit information “OFF” included in the state information S4 generated when the preceding vehicle exits the vehicle detector 24. To control.

(Ii-4) In the uniform toll booth of the uniform toll collection system, when the vehicle management number 61 of the vehicle 10 is the vehicle-mounted device ID and the vehicle 10 enters the vehicle detector 22, the control device 6 Based on the entry information “ON” included in the state information S2 generated when the vehicle 10 enters the vehicle detector 22, the database 50 is accessed by the vehicle management number 61, and the vehicle type information included in the vehicle management number 61. By referring to the toll table 51, the toll indicated by the toll information 66 corresponding to the vehicle type information is determined. On the basis of the entry information “ON” included in the status information S2, the control device 6 displays the toll information 66 indicating the toll corresponding to the vehicle 10 on the roadside display 8 and opens the start controller 25. The input / output device 7 is controlled as described above.
At this time, the control device 6 stores (registers) the vehicle management number 61, the time when it is displayed on the roadside display 8 and the toll information 66 in association with each other in the database 50. Further, the control device 6 turns off the display of the roadside display 8 based on the exit information “OFF” included in the state information S4 generated when the vehicle 10 exits the vehicle detector 24, and the vehicle from the antenna 9b. The radio wave for wireless communication with the vehicle-mounted device having the wireless communication function in 10 is output to the area 9B, and the toll information 66 indicating the toll is displayed on the vehicle-mounted device mounted on the vehicle 10 to collect the toll. The input / output device 7 is controlled to be performed.

(Ii-5) In the uniform toll gate of the uniform toll collection system, the vehicle management number 61 of the vehicle 10 is the vehicle-mounted device ID, the vehicle 10 enters the vehicle detector 22, and the preceding vehicle is the vehicle detector. When exiting 24, the controller 6
Based on the entry information “ON” included in the state information S2 generated when the vehicle 10 enters the vehicle detector 22,
The database 50 is accessed based on the vehicle management number 61, and the toll charge indicated by the toll charge information 66 corresponding to the vehicle type information is determined by referring to the toll charge table 51 based on the vehicle type information included in the vehicle management number 61. The control device 6 is
Based on the entry information “ON” included in the state information S3 generated when the preceding vehicle enters the vehicle detector 23,
The input / output device 7 is controlled so that the toll information 66 indicating the toll corresponding to the vehicle 10 is displayed on the roadside display 8. Further, the control device 6 causes the start controller 25 to open based on the exit information “OFF” included in the state information S4 generated when the preceding vehicle exits the vehicle detector 24. To control. At this time, the control device 6
Stores (registers) the vehicle management number 61, the time when it is displayed on the roadside display 8 and the toll information 66 in association with each other in the database 50. In addition, when the vehicle 10 enters the vehicle detector 24, the control device 6 turns off the display on the roadside display 8 based on the entry information “ON” included in the state information S4 generated at this time, and turns off the antenna. 9b outputs a radio wave for wireless communication with the vehicle-mounted device having a wireless communication function to the vehicle 10 to the area 9B, and the vehicle-mounted device mounted on the vehicle 10 displays the toll information 66 indicating the toll, The input / output device 7 is controlled so that the toll collection is performed.

(Ii-6) In the uniform toll gate of the uniform toll collection system, the vehicle management number 61 of the vehicle 10 is the vehicle-mounted device ID, the vehicle 10 enters the vehicle detector 23, and the preceding vehicle is the vehicle detector. When exiting 24, the controller 6
Based on the entry information “ON” included in the state information S2 generated when the vehicle 10 enters the vehicle detector 22,
The database 50 is accessed based on the vehicle management number 61, and the toll charge indicated by the toll charge information 66 corresponding to the vehicle type information is determined by referring to the toll charge table 51 based on the vehicle type information included in the vehicle management number 61. The control device 6 is
Based on the entry information “ON” included in the state information S3 generated when the vehicle 10 enters the vehicle detector 23,
The input / output device 7 is arranged so that the toll information 66 indicating the toll corresponding to the vehicle 10 displayed on the roadside display 8 is deleted.
To control. Further, the control device 6 causes the start controller 25 to open based on the exit information “OFF” included in the state information S4 generated when the preceding vehicle exits the vehicle detector 24. To control. At this time, the control device 6 stores (registers) the vehicle management number 61, the time when the display on the roadside display 8 is erased, and the toll information 66 in association with each other in the database 50. Further, when the vehicle 10 enters the vehicle detector 24, the control device 6 provides a wireless communication function from the antenna 9b to the vehicle 10 based on the entry information “ON” included in the state information S4 generated at this time. The radio wave for wireless communication with the on-vehicle device provided is output to the area 9B, and the toll information 66 indicating the toll is displayed on the on-vehicle device mounted on the vehicle 10 so that the toll collection can be performed. Control the device 7.

FIG. 3 is a diagram showing the state transition of the position determination table 30. For the position determination table 30, the position determination unit 13 refers to the position determination table 30 and the position information 6
3 is used as a material for determining the position of the vehicle, and the generation unit 16 is used as a material for generating the vehicle information 60.
As shown in FIG. 3, the position determination table 30, a location information registration section _{31 1-31 15} location information 63 described above are registered in advance, the aforementioned state information S1, S2, S
State information registration column 32 ₁ in which S3 and S4 are registered in advance
32 ₁₀ and.

In the status information registration column 32 ₁ , the vehicle detector 2
The state information S1, the entry information “ON” and the advance information included in the state information S1 are registered in advance as the contents performed by 1. The status information registration section _322, as the contents to be performed by the vehicle detector 21, the state information S1,
The entry information “ON” and the reverse travel information included in the state information S1 are registered in advance. In the status information registration column 32 ₃ ,
As the contents performed by the vehicle detector 21, the state information S
1, advance information “OFF” included in the state information S1, and advance information are registered in advance. Status information registration field 32
₄ shows the status information S1 and the exit information “OF” included in the status information S1 as contents to be performed by the vehicle detector 21.
F "and the reverse travel information are registered in advance.

[0075] The status information registration section 32 _5, the vehicle detectors 2
The state information S2 and the entry information “ON” included in the state information S2 are registered in advance as the contents to be performed by 2. The status information registration column 32 _6, as the content to be performed by the vehicle detector 22, a state information S2, the state information S
The exit information “OFF” included in 2 is registered in advance. The status information registration field 32 _7, as the content to be performed by the vehicle detector 23, the state information S3, the state information S3
The entry information “ON” included in is registered in advance. The status information registration field 32 _8, as the content to be performed by the vehicle detector 23, the state information S3, exit information "OFF" and included in the state information S3 is registered in advance. State to the information registration section 32 _9, as the contents to be performed by the vehicle detector 24, the state information S4, entry information "ON" and included in the state information S4 is registered in advance.
State to the information registration section 32 _10, as the content to be performed by the vehicle detector 24, the state information S4, exit information "OFF" and included in the state information S4 is registered in advance.

[0076] The location information registration section 31 _1, the position information 63
The "first vehicle position" indicating that the vehicle has not entered the entrance (vehicle detector 21) of the toll gate (before entering) is registered in advance. The location information registration section 31 _2, location information 6
As “3,” the “second vehicle position” indicating that only the vehicle detector 21 has detected the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance. The “second vehicle position” includes approach information “ON”. Location information registration field 31
_In “3”, the “third vehicle position” indicating that the vehicle detectors 21 and 22 simultaneously detect the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance as the position information 63. The “third vehicle position” includes approach information “ON”.

[0077] The location information registration section 31 _4, position information 63
The “fourth vehicle position” indicating that the vehicle detectors 21, 22, 23 simultaneously detect the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance. The “fourth vehicle position” includes approach information “ON”. Location information registration section 31 _5, the vehicle detectors of the state of passage of the vehicle 10 traveling on the toll road 70 as the position information 63 21,2
“Fifth vehicle position” indicating that 2, 23, and 24 are detected at the same time is registered in advance. The “fifth vehicle position” includes approach information “ON”. Location information registration field 31
₆ , the position information 63 indicates that the vehicle 10 is the vehicle detector 21.
The “sixth vehicle position” indicating that the vehicle is traveling on the toll road 70 between the vehicle detector 22 and the vehicle detector 22 is registered in advance.

[0078] The location information registration section 31 _7, position information 63
The “seventh vehicle position” indicating that only the vehicle detector 22 has detected the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance. In "7th vehicle position",
The entry information “ON” is included. The location information registration section 31 ₈ travels the toll road 70 as the position information 63 vehicle 1
The “eighth vehicle position” indicating that the vehicle detectors 22 and 23 simultaneously detected the passing state of 0 is registered in advance. The “eighth vehicle position” includes approach information “ON”. The location information registration section 31 _9, the state of passage of the vehicle 10 traveling on the toll road 70 as the position information 63 indicating that the vehicle detectors 22, 23 and 24 was detected at the same time "9
"Vehicle position" is registered in advance. "9th vehicle position"
Contains entry information “ON”. Location information registration field 3
The 1 _10, "the 10 vehicle position", which indicates that the vehicle is traveling a toll road 70 between the vehicle 10 and the vehicle detection device 22 and the vehicle detector 23 is registered in advance as position information 63.

[0079] The position information registration field _{31 11,} position information 6
As “3,” the “11th vehicle position” indicating that only the vehicle detector 23 has detected the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance. "11th vehicle position"
Contains entry information “ON”. Location information registration field 3
1 to _12, the state of passage of the vehicle 10 traveling on the toll road 70 indicating that the vehicle detectors 23 and 24 detects simultaneously "12th vehicle position" is registered in advance as position information 63. The entry information “O
N "is included. In the position information registration column _{31 13,} the vehicle is the vehicle 10 as the position information 63 detector 23 and the vehicle detectors 2
The “13th vehicle position” indicating that the vehicle is traveling on the toll road 70 between 4 and 4 is registered in advance.

[0080] The position information registration field _{31 14,} position information 6
As “3,” the “14th vehicle position” indicating that only the vehicle detector 24 has detected the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance. "14th vehicle position"
Contains entry information “ON”. Location information registration field 3
The 1 _15, indicating that the exit from the vehicle detector 24 "15 vehicle position" is registered in advance as position information 63.

When the content registered in the status information registration column 32 ₁ is carried out by the vehicle detector 21, the position information 63 is displayed in the column in which the status information registration column 32 ₁ and the position information registration column 31 ₁ are associated with each other. “2” indicating that the vehicle 10 has moved to the above-mentioned “second vehicle position” is registered in advance.

The state information registration column 32 ₂ and the position information registration columns 31 ₆ , 31 ₇ , 31 ₈ , 31 ₉ and 31 ₁₀ are associated with each other by the contents registered in the state information registration column 32 _2. When performed by the detector 21, the position information 63
As the vehicle 10, the above-mentioned "second vehicle position", "third vehicle position", "fourth vehicle position", "fifth vehicle position", "second vehicle position"
“2 ¹ ”, “3 ² ”, indicating that the vehicle has moved to “vehicle position”,
“4 ³ ”, “5 ⁴ ”, and “2 ⁵ ” are registered in advance. Here, “2 ¹ ”, “3 ² ”, “4 ³ ”,
The numbers on the right side of "5 ⁴ " and "2 ⁵ " indicate the priority order,
The lower the number, the higher the priority. For example, position information registration field 31 ₆ position information 63 registered in the "sixth vehicle position", there is position information 63 vehicle 10 and "the 10th vehicle position" registered in the location information registration section 31 ₁₀ If you, when the contents registered in the status information registration field 32 ₂ is performed by the vehicle detector 21, a higher priority "2
¹ "and the position information 63 registered in the location information registration section 31 _10" ^"is valid, the location information registration section 31 ₂ position information 63 registered in the" second vehicle position and the 10 vehicle position " The vehicle 10 will be present.

In the column in which the status information registration column 32 ₃ and the position information registration columns 31 ₂ , 31 ₃ , 31 ₄ , 31 ₅ are associated with each other, the content registered in the state information registration column 32 ₃ is the vehicle detector 21. Is performed by the vehicle 10 as the position information 63, the above-mentioned “sixth vehicle position”, “seventh vehicle position”,
“6 ¹ ”, “7 ² ”, “8 ³ ”, and “9 ⁴ ” indicating that the vehicle has moved to the “8th vehicle position” and the “9th vehicle position” are registered in advance. Here, “6 ¹ ”, “7 ² ”,
The numbers on the right side of “8 ³ ” and “9 ⁴ ” indicate the priority order,
The lower the number, the higher the priority.

The state information registration column 32 ₄ and the position information registration column 31 ₂ are associated with each other in the column where the position information 63 is registered when the content registered in the state information registration column 32 ₄ is performed by the vehicle detector 21. “1” indicating that the vehicle 10 has moved to the above-mentioned “first vehicle position” is registered in advance.

Status information registration field 32₅And location information registration field
31_Two, 31₆, 31₁₀, 31_{1 1}, 31₁₂, 31
_ThirteenThe state information registration column 32₅Climb to
When the recorded content is performed by the vehicle detector 22,
As the position information 63, the vehicle 10 is the above-mentioned “third vehicle position”.
Position "," 7th vehicle position "," 7th vehicle position "," 8th vehicle "
Move to both positions "," 9th vehicle position "," 7th vehicle position "
"3" indicating that^Two"," 7¹"," 7^Three",
"8^Four"," 9⁵"," 7⁶Is registered in advance
It Here, "3^Two"," 7¹"," 7^Three",
"8^Four"," 9⁵"," 7⁶The numbers on the right side of "are in priority order
The lower the number, the higher the priority. example
For example, location information registration field 31₆Location information registered in 6
3 "6th vehicle position" and position information registration field 31_ThirteenRegister with
The vehicle 1 with the position information 63 “13th vehicle position” being displayed.
If 0 exists, the status information registration field 32₅Registered in
If the contents detected by the vehicle detector 22 are
Highest "7"¹"Is valid, location information registration field 31₇
Position information 63 “7th vehicle position” registered in
Storage information registration field 31 _ThirteenLocation information registered in 63
It means that the vehicle 10 is in the “13th vehicle position”.
It

In the column in which the status information registration column 32 ₆ and the position information registration columns 31 ₃ , 31 ₇ , 31 ₈ , 31 ₉ are associated with each other, the contents registered in the state information registration column 32 ₆ are stored in the vehicle detector 22. "2" indicating that the vehicle 10 has moved to the above-mentioned "second vehicle position", "10th vehicle position", "11th vehicle position", "12th vehicle position" as the position information 63. ⁴ ”,“ 10 ³ ”,“ 11 ² ”,
“12 ¹ ” is registered in advance. here,
The numbers on the right side of “2 ⁴ ”, “10 ³ ”, “11 ² ”, and “12 ¹ ” indicate the priority order, and the smaller the number, the higher the priority order.

The contents registered in the status information registration column 32 ₇ are associated with the status information registration column 32 ₇ and the position information registration columns 31 ₃ , 31 ₇ , 31 ₁₀ , 31 _{1 3} and 31 _14. When performed by the vehicle detector 23, the vehicle 10 is used as the position information 63 for the above-mentioned “fourth vehicle position”, “eighth vehicle position”.
“Vehicle position”, “11th vehicle position”, “11th vehicle position”, “12 3rd vehicle position” indicating “4 ³ ”, “8 ² ”, “11 ¹ ”, “11 ⁴ ”, "12
⁵ ”is registered in advance. Here,“ 4 ³ ”and“ 8 ”are registered.
The numbers on the right shoulders of ² ”,“ 11 ¹ ”,“ 11 ⁴ ”, and“ 12 ⁵ ”indicate the priority order, and the smaller the number, the higher the priority order. For example, it is registered in the location information registration field 31 ₁₀ . and a position information 63 "10th vehicle position" and the position information registration section 31 ₁₃ location information 63 is registered when the "13th vehicle position" and the vehicle 10 exists, the state information registration section 32
_{When the} content registered in ₇ is performed by the vehicle detector 23, “11 ¹ ” having a higher priority becomes valid, and the position information 63 “11th vehicle position” registered in the position information registration field 31 ₁₁ is displayed. If, so that the location information 63 "# 13 vehicle position" and the vehicle 10 registered in the location information registration section 31 ₁₃ exists.

[0088] The state information registration field 32 _8, location information registration section _{31 4,} 31 _8, 31 11, _{31 1 2} and the column associating the contents vehicle detectors that are registered in the state information registration field 32 ₈ 23 indicates that the vehicle 10 has moved to the above-mentioned “third vehicle position”, “seventh vehicle position”, “thirteenth vehicle position”, and “fourteenth vehicle position” as the position information 63. 3 ⁴ ”,“ 7 ³ ”,“ 13 ² ”,“ 1
4 ¹ ”is registered in advance. Here,“ 3 ⁴ ”,
The numbers on the right shoulders of "7 ³ ", "13 ² ", and "14 ¹ " indicate the priority order, and the smaller the number, the higher the priority order.

The contents registered in the status information registration column 32 ₉ are associated with the status information registration column 32 ₉ and the position information registration columns 31 ₄ , 31 ₈ , 31 ₁₀ , 31 _{1 1} , 31 _13. When performed by the vehicle detector 24, the vehicle 10 has the above-mentioned “fifth vehicle position”, “9th vehicle position” as the position information 63.
Vehicle position "," 14 vehicle position "," 12th vehicle position "," 14 "indicates that it has moved to ^the" vehicle position 5 ⁵ "," 9 ^{4 ","} 14 3 "," ¹² 2 ", "14
¹ ”is registered in advance. Here,“ 5 ⁵ ”and“ 9 ”are registered.
^{4 ","} 14 3 ^"," 12 2 "," the right shoulder of the number 14 ¹ "indicates the priority, the priority, a smaller number high. For example, registered in the location information registration section _{31 10} and a position information 63 "10th vehicle position" and the position information registration section 31 ₁₃ location information 63 is registered when the "13th vehicle position" and the vehicle 10 exists, the state information registration section 32
_{When the} content registered in ₉ is performed by the vehicle detector 24, “14 ¹ ” having a higher priority becomes valid, and the position information 63 “10th vehicle position” registered in the position information registration field 31 ₁₀ is displayed. If, so that the location information 63 "14 vehicle position" and the vehicle 10 registered in the location information registration section 31 ₁₄ exists.

[0090] The position determination table 30, a status information registration field _{32 10,} location information registration section ₃₁ 5, ₃₁ 9, 3
When the content registered in the status information registration column 32 ₁₀ is performed by the vehicle detector 24 in the column that associates 1 ₁₂ and 3 1 ₁₄ with each other, the vehicle 10 has the above-mentioned “fourth vehicle position” as the position information 63. , “8th vehicle position”, “11th vehicle position”, “15th vehicle position” indicating “4 ⁴ ”, “8 ³ ”, “11 ² ”, “15 ¹ ” are registered in advance. Has been done. Here, “4 ⁴ ”, “8 ³ ”, “11
² "," right shoulder of numbers 15 ¹ "indicates the priority, the priority, a smaller number higher.

FIG. 4 is a diagram showing state transitions of the vehicle length determination table 40. In the vehicle length determination table 40, the vehicle length determination unit 14 refers to the vehicle length determination table 40 to determine the position information 6
3 is used as a material for determining the position of the vehicle, and the generation unit 16 is used as a material for generating the vehicle information 60.
As shown in FIG. 4, the vehicle length determination table 40 includes position information registration fields 41 _{1 to} 41 ₁₅ for registering the position information 63 described above and the vehicle length information 64 described above in association with each other, and the vehicle length. The information registration columns 42 _{1 to} 42 ₁₅ are included.

Position information registration columns 41 ₁ , 41 ₂ , 41 ₃ ,
41 ₄ , 41 ₅ , 41 ₆ , 41 ₇ , 41 ₈ , 41 ₉ , 4
1 ₁₀ , 41 ₁₁ , 41 ₁₂ , 41 ₁₃ , 41 ₁₄ , 4
The 1 _{1 5,} described above as the position information 63 "first vehicle position", "second vehicle position", "third vehicle position", "the fourth vehicle position", "fifth vehicle position", "6 Vehicle position ”,“ seventh vehicle position ”,“ eighth vehicle position ”,“ ninth vehicle position ”,
"10th vehicle position", "11th vehicle position", "12th vehicle position", "13th vehicle position", "14th vehicle position",
The “15th vehicle position” is registered in advance.

Vehicle length information registration fields 42 ₁ , 42 ₃ , 42 ₄ ,
42 ₅ , 42 ₈ , 42 ₉ , 42 ₁₂ includes vehicle length information 64.
Indicates the length (vehicle length) of the vehicle 10 as "distance (L1-
α) ”,“ distance L1 ”,“ distance (L1 + L2) ”,“ distance (L1 + L2 + L3) ”,“ distance L2 ”,“ distance (L
2 + L3) ”and“ distance L3 ”are registered in advance.
Here, the distance L1 is a distance indicating the above-described 4 meters, and the distance α is a distance smaller (shorter) than the distance L1.
The distance (L1-α) is a distance indicating (4-α) meters. The distance L2 is a distance indicating 10 meters described above, and the distance (L1 + L2) is a distance indicating 14 meters. The distance L3 is a distance indicating 4 meters and the distance (L1 + L2 + L3) is a distance indicating 18 meters. The distance (L2 + L3) is a distance indicating 14 meters.

Further, it is associated with "third vehicle position", "fourth vehicle position", "fifth vehicle position", "eighth vehicle position", "ninth vehicle position", and "twelfth vehicle position". "Distance L1", "Distance (L1 + L2)", "Distance (L1 + L2)
+ L3) "," distance L2 "," distance (L2 + L3) ",
The “distance L3” is a distance approximated in advance because the length of the vehicle 10 is not determined.

Vehicle length information registration field 42_Two, 42₆, 42₇,
42₁₀, 42₁₁, 42_Thirteen, 42₁₄, 42₁₅To
Is registered in advance as the vehicle length information 64.
ing. The generation unit 16 (position determination unit 13) first determines that the vehicle
Both 10 are position information registration fields 41 ₁Location information registered in
It is the report 63 “first vehicle position”, and the vehicle is used as the vehicle length information 64.
Recognizing that the length of both 10 is "distance (L1-α)"
There is. For example, the location information registration field 41₁Registered in
From the position information 63 “first vehicle position” to the position information registration field 41
_TwoThe vehicle is registered in the location information 63 “2nd vehicle location” registered in
When both 10 move, the vehicle length determination unit 14 described above is
Information registration column 41_Two"Second location information" registered in
Vehicle length information registration field 42_Two“No change” registered in
And determines that the length of the vehicle 10 is not changed.
It The generation unit 16 uses the vehicle length information 6 included in the vehicle information 60.
As “4”, “distance (L1−α)” is not changed.

[0096] Further, the location information registration section 41 ₂ position information 63 registered in the "second vehicle position" from the location information registration section 41 ₃ position information 63 registered in the "third vehicle position"
When the vehicle 10 moves to, the vehicle length determination unit 14 described above
The "third position information" registered in the position information registration field 41 ₃ and the "distance L" registered in the vehicle length information registration field 42 _3.
1 ”to determine that the length of the vehicle 10 is the“ distance L1. ”The generation unit 16 determines the vehicle length from the vehicle length information 64“ distance (L1-α) ”included in the vehicle information 60. When the "distance L1" determined by the unit 14 is long, the "distance (L1-α)" is changed as the vehicle length information 64 included in the vehicle information 60 and updated to "distance L1". Part 16
Changes the vehicle length only when the vehicle length indicated by the vehicle length information 64 determined this time is longer than the vehicle length indicated by the vehicle length information 64 determined previously.

FIG. 5 is a diagram showing the format of the vehicle information 60. The format of the vehicle information 60 is stored in the database 18, and the generation unit 16 of the vehicle management device 1
The format of the vehicle information 60 is copied from the database 18 to generate the vehicle information 60 indicating the vehicle management number 61.

As shown in FIG. 5, this vehicle information 60
Is a vehicle management number registration field 81 for registering the vehicle management number 61, a vehicle length information registration field 84 for registering the vehicle length information 64, an axis number information registration field 85 for registering the axis number information 65, Time information registration field 8 for registering the time information 62
Containing 2 ₁ to 82 _n, the time information registration section ₈₂ first position for registering the location information 63 in association with the time information 62 registered in the to 82 _n information registration column ₈₃ 1 to 83 _n. here,
n is a positive number of 1 or more.

The operation of the ETC system operation support device 100 will be described with reference to FIGS. Where ETC
The operation of the ETC system included in the system operation support device 100 is omitted from the above description, and the vehicle management device 1, the input device 2, the vehicle information storage device 3, the vehicle traffic state reconfiguration device 4, the display device 5, and the vehicle detection are performed. Vessels 21, 22, 2
3 and 24 will be described. It is assumed that the vehicle 10 is an ordinary vehicle and has an on-vehicle device. In this case, the vehicle-mounted device ID for identifying the vehicle-mounted device is set to "0010". Further, the vehicle 10 is connected to the entrance of the toll gate (the vehicle detector 2
Assuming that the vehicle has not entered 1) (before entering), the “first vehicle position”, the “second vehicle position”, the “sixth vehicle position”, and the “seventh vehicle position”.
It is assumed that the vehicle moves in the order of "vehicle position", "10th vehicle position", "11th vehicle position", "13th vehicle position", "14th vehicle position", "15th vehicle position".
First, the position information 63 is “first vehicle position”, and the vehicle length information 64 is “distance (L1−α)”.

When the vehicle 10 moves from the "first vehicle position" to the "second vehicle position", the optical sensor 21a of the vehicle detector 21 indicates that the vehicle 10 has passed as shown in FIG. The entry of the vehicle 10 is detected. Also, the tread 21
c is stepped on by the front wheels of the vehicle 10, and the pressure sensor 21b of the vehicle detector 21 operates in the order of the pressure sensor 21b ′ and the pressure sensor 21b ″. The forward movement of the vehicle 10 is detected.
The vehicle detector 21 detects the time information 62 indicating the first time when the passing state (entry) of the vehicle 10 is detected, and the vehicle information 21.
The state information S1 including the approach information indicating the approach (ON) and the forward information indicating the forward movement of the vehicle 10 is output to the input device 2.

The collection unit 12 of the vehicle management device 1 collects the state information S1 from the input device 2 and the vehicle management number 61 "0010" from the control device 6, and the vehicle detector 21 changes the state (state Entry information “O included in information S1
N ”, forward movement information). The number storage unit 15 of the generation unit 16 in the vehicle management device 1 detects the vehicle management number 61“ 0.
010 ″ is stored. As shown in FIG.
The position determination unit 13 of 6 refers to the position determination table 30 and uses the entry information “ON” and the forward movement information (state information registration column 32 ₁ ) included in the state information S1 to determine the initial position (position information 63) of the vehicle 10. ) Is the “first vehicle position” (positional information registration column 31 ₁ ), and the vehicle 1 that has moved to the “second vehicle position”
By 0, the vehicle detector 21 recognizes (determines) that the state information S1 (entry information “ON”, forward movement information) is detected. As shown in FIG. 4, the vehicle length determination unit 1 of the generation unit 16
4 refers to the vehicle length determination table 40 and refers to the position information 63
It is recognized (determined) that the length of the vehicle 10 is not changed by the “second vehicle position”. The generation unit 16 does not change “distance (L1−α)” as the vehicle length information 64 included in the vehicle information 60.

The generation unit 16 uses the vehicle management number registration column 81, the vehicle length information registration column 84, and the number-of-axes information registration column 8 of the vehicle information 60.
5, the time information registration column 82 ₁ and the position information registration column 83 ₁
The vehicle management number 61 "0010", vehicle length information 64 "distance (L1-α)", axis number information 65 "1", time information 62 indicating the first time, position information 63 "second vehicle position" are registered. Thus, the vehicle information 60 indicating the vehicle management number 61 “0010” is generated. At this time, the generation unit 16 determines the number of axes of the vehicle 10 corresponding to the number of times “1” when the state information S1 is collected by the collection unit 12 based on the forward movement information included in the state information S1. 65 “1” is generated and registered in the axis number information registration field 85. The output unit 17 saves the vehicle information 60 indicating the vehicle management number 61 “0010” in the vehicle information storage device 3 and outputs it to the vehicle traffic state reconstruction device 4.

The vehicle traffic state reconstruction device 4 is a vehicle that travels on the toll road 70 at the first time indicated by the time information 62 based on the vehicle information 60 indicating the vehicle management number 61 "0010" from the vehicle management device 1. Passing state of 10 (passing state)
As a result, the “second vehicle position” is visualized, and the visualized screen 75 as shown in FIG. 7 is displayed on the display device 5. This vehicle traffic state reconfiguring device 4 has the configuration shown in FIG. 2 (a toll road 70, a roadside display 8, antennas 9a, 9b,
Vehicle detectors 21, 22, 23, 24, start controller 25)
An image corresponding to is created in advance and displayed at a predetermined position on the screen 75. The vehicle traffic state reconstruction device 4 creates an image corresponding to the vehicle 10 and displays it on the screen 75 at a position corresponding to the “second vehicle position”.

Next, when the vehicle 10 moves from the "second vehicle position" to the "sixth vehicle position", as shown in FIG. 2, the optical sensor 21a of the vehicle detector 21 causes the vehicle 10 to move.
The exit of the vehicle 10 is detected as a passing state of. Also,
Since the tread 21c is stepped on by the front wheels of the vehicle 10 and the pressure sensor 21b of the vehicle detector 21 operates in the order of the pressure sensor 21b 'and the pressure sensor 21b'', the vehicle detector 2
1 detects the forward movement of the vehicle 10 as a passing state of the vehicle 10. The vehicle detector 21 has time information 62 indicating the second time when the passing state (exit) of the vehicle 10 is detected,
Exit information indicating exit (OFF) of the vehicle 10 and the vehicle 10
The state information S1 including the forward movement information indicating the forward movement is output to the input device 2.

The collection unit 12 of the vehicle management device 1 collects the state information S1 from the input device 2 and changes the state by the vehicle detector 21 (exit information "OF included in the state information S1.
F ", forward movement information). The position determination unit 13 of the generation unit 16 of the vehicle management device 1 refers to the position determination table 30 and exit information" OFF ", forward movement information (state) included in the state information S1. The position of the vehicle (position information 63) is listed by the information registration field 32 ₃ ), and the listed position information 63 is the “second vehicle position” (position information registration field 3).
1 ₂ ), “third vehicle position” (position information registration field 31 ₃ ),
It is recognized that it is a “fourth vehicle position” (positional information registration column 31 ₄ ) and a “fifth vehicle position” (positional information registration column 31 ₅ ).

The position determination unit 13 determines the "second vehicle position" (position
Storage information registration field 31_Two), “3rd vehicle position” (position information registration
Recording column 31_Three), “4th vehicle position” (positional information registration field 31
_Four), “Fifth vehicle position” (position information registration field 31₅) Indicates
The vehicle information storage device 3 determines whether or not the vehicle exists at the position
Search from the database 20. Here, the position information 63
As “second vehicle position” (position information registration field 31_Two) Indicates
It is assumed that the vehicle exists only at the position where Position determination unit 1
3 refers to the position determination table 30 and registers the position information
Box 31_Two"6 associated with¹(6th vehicle position) ”
Since the vehicle has the highest priority as the position information 63,
"Second vehicle position" (position information registration field 31 _Two) Existed in
Due to the movement of the vehicle 10, the vehicle detector 21 causes the state information S1.
Confirm that (exit information “OFF”, forward information) is detected
Make a judgment.

The generation unit 16 accesses the database 20 of the vehicle information storage device 3 with the vehicle management number 61 “0010” of the vehicle 10 stored in the number storage unit 15, and the vehicle management number 61 “stored in the database 20. 001
The vehicle information 60 indicating 0 ″ is retrieved and read out. As shown in FIG. 4, the vehicle length determination unit 14 of the generation unit 16 refers to the vehicle length determination table 40 and refers to the position information 63 “sixth vehicle position”. It is recognized (determined) that the length of the vehicle 10 is not changed by ". The generation unit 16 does not change" distance (L1-α) "as the vehicle length information 64 included in the vehicle information 60.

As shown in FIG. 6, the generation unit 16 replaces the axis number information 65 “1” in the axis number information registration field 85 of the vehicle information 60 indicating the vehicle management number 61 “0010”, and replaces it with the number of axes. The vehicle management is performed by registering the information 65 “2” and registering the time information 62 indicating the second time and the position information 63 “sixth vehicle position” in the time information registration field 82 ₂ and the position information registration field 83 _2. The vehicle information 60 indicating the number 61 “0010” is generated (updated). At this time, the generation unit 16 uses the state information S1.
Based on the forward movement information included in the information, the number of axes information 65 “2” indicating the number of axes of the vehicle 10 corresponding to the number of times “2” when the state information S1 is collected by the collection unit 12 is generated to generate the number of axes information. Register in the registration field 85. The output unit 17 is the generation unit 16
Vehicle management number 61 “001” generated (updated) by
The vehicle information 60 indicating 0 ″ is stored in the vehicle information storage device 3 and output to the vehicle traffic state reconstruction device 4.

The vehicle traffic state reconstruction device 4 is a vehicle that travels on the toll road 70 at the second time indicated by the time information 62, based on the vehicle information 60 indicating the vehicle management number 61 "0010" from the vehicle management device 1. Passing state of 10 (passing state)
As a result, the “sixth vehicle position” is visualized, and the visualized screen 76 as shown in FIG. 8 is displayed on the display device 5. This vehicle traffic state reconstruction device 4 is similar to the screen 75 in FIG.
The image corresponding to the configuration (toll road 70, roadside indicator 8, antennas 9a, 9b, vehicle detectors 21, 22, 23, 24, start controller 25) shown in FIG.
6 is displayed at a predetermined position. The vehicle traffic state reconstruction device 4 creates an image corresponding to the vehicle 10 and displays the screen 76.
It is displayed at the position corresponding to the above “sixth vehicle position”.

Here, "0009" shown in FIG.
This is the vehicle management number 61 acquired from the vehicle 10 'by the control device 6 before the first time. For example, the toll road 7 between the vehicle detector 21 and the vehicle detector 22 displayed on the screen 76.
When there are two or more vehicles (the vehicle 10 and the vehicle 10 ') in 0, the distance L1 between the vehicle detector 21 and the vehicle detector 22 is 4 meters, and generally 2.5 meters or more in length. 2 or more vehicles cannot exist, so vehicle detector 2
It can be seen that at least one of 1 and 22 is abnormal.

The cause in this case is that the vehicle detector 22
There is a detection omission. When the vehicle 10 'is assumed to travel in the X1 direction in front of the vehicle 10, the vehicle detector 2
Due to the omission of the detection of No. 2, an abnormality in the passing state of the vehicle 10 '(abnormality of the ETC system) occurs, and the vehicle management device 1
Is a vehicle management number that associates the second time indicated by the time information 62 with the “sixth vehicle position”, assuming that the vehicle 10 ′ remains at the “sixth vehicle position” even after the second time has elapsed. The vehicle information 60 indicating 61 “0009” is generated (updated). The vehicle traffic state reconstruction device 4 indicates the time information 62 based on the vehicle information 60 indicating the vehicle management number 61 “0009” and the vehicle information 60 indicating the vehicle management number 61 “0010” from the vehicle management device 1. 70 toll road at 2nd time
The “sixth vehicle position” of the vehicle 10 ′ traveling on the vehicle and the “sixth vehicle position” of the vehicle 10 are visualized, and the visualized screen 76 as shown in FIG. 8 is displayed on the display device 5.

As described above, the ETC system operation support apparatus 100 visualizes and displays the passing state of the vehicle 10 traveling on the toll road 70 at a certain time based on the vehicle information 60, and thus the ETC system operation support is provided. Device 100
An employee working at a toll booth belonging to can easily determine (understand) which part of the ETC system (in this case, the vehicle detector 22) is abnormal.

Next, when the vehicle 10 'described above does not exist and the vehicle 10 is moved from the "sixth vehicle position" to the "seventh vehicle position", as shown in FIG. The optical sensor 22a indicates that the vehicle 1 is in a passing state.
Detect 0 entry. The vehicle detector 22 inputs the state information S2 including the time information 62 indicating the third time when the passing state (entry) of the vehicle 10 is detected and the entry information indicating the entry (ON) of the vehicle 10. Output to 2.

The collection unit 12 of the vehicle management device 1 collects the state information S2 from the input device 2 and changes the state by the vehicle detector 22 (the entry information "O included in the state information S2.
N ") for detecting the. Position determination unit 13 of the generating unit 16 of the vehicle management device 1 refers to the position determination table 30, entering information contained in the state information S2" ON "(state information registration field ₃₂ 5) The position of the vehicle (positional information 63) is listed according to, and the listed positional information 63 is the “second vehicle position” (positional information registration column 31 ₂ ), “sixth vehicle position”.
(Position information registration field 31 ₆ ), “tenth vehicle position” (position information registration field 31 ₁₀ ), “11th vehicle position” (position information registration field 31 ₁₁ ), “twelfth vehicle position” (position information registration field) 31 ₁₂ ), “13th vehicle position” (position information registration field 3
1 ₁₃ ) is recognized.

The position determination unit 13 determines the "second vehicle position" (position
Storage information registration field 31_Two), “6th vehicle position” (position information registration
Recording column 31₆), “10th vehicle position” (position information registration field 3
1_{1 0}), “11th vehicle position” (position information registration field 31
₁₁), “12th vehicle position” (positional information registration field 3
1₁₂), “13th vehicle position” (position information registration field 31
_Thirteen) Indicates whether the vehicle exists at the position indicated by
The database 20 of the existing device 3 is searched. Where
As the placement information 63, the "second vehicle position" (position information registration field 3
1 _Two), “Sixth vehicle position” (positional information registration field 31₆)But
It is assumed that the vehicle exists at the position shown. Position determination unit 13
Refers to the position determination table 30, and refers to the position information registration field
31_Two"3 associated with^Two(3rd vehicle position) "
Storage information registration field 31₆"7 associated with¹(7th vehicle
Position) "and" 7¹(7th vehicle position) ”is the position information
Since it is the vehicle with the highest priority as report 63, “6th
Vehicle position "(position information registration field 31₆) Existing vehicle 1
The movement of 0 causes the vehicle detector 22 to move to the state information S2 (enter
It is recognized (determined) that the information "ON") is detected.

The generation unit 16 accesses the database 20 of the vehicle information storage device 3 by the vehicle management number 61 "0010" of the vehicle 10 stored in the number storage unit 15, and the vehicle management number 61 "stored in the database 20. 001
The vehicle information 60 indicating 0 ″ is retrieved and read out. As shown in FIG. 4, the vehicle length determination unit 14 of the generation unit 16 refers to the vehicle length determination table 40 and refers to the position information 63 “sixth vehicle position”. It is recognized (determined) that the length of the vehicle 10 is not changed by ". The generation unit 16 does not change" distance (L1-α) "as the vehicle length information 64 included in the vehicle information 60.

[0117] As shown in FIG. 6, generator 16, the time information registration field 82 ₃ of the vehicle information 60 indicating a vehicle management number 61, "0010", the location information registration section 83 _3, the time of a third time By registering the information 62 and the position information 63 “7th vehicle position”, the vehicle information 60 indicating the vehicle management number 61 “0010” is generated (updated). The output unit 17 is
Vehicle management number 61 generated (updated) by the generation unit 16
The vehicle information storage device 3 stores the vehicle information 60 indicating “0010”.
And output to the vehicle traffic state reconstruction device 4.

The vehicle traffic state reconstruction device 4 is a vehicle that travels on the toll road 70 at the third time indicated by the time information 62 based on the vehicle information 60 indicating the vehicle management number 61 "0010" from the vehicle management device 1. Passing state of 10 (passing state)
The "7th vehicle position" is visualized as, and the visualized screen is displayed on the display device 5.

The ETC system operation support device 100 is
From “7th vehicle position” to “10th vehicle position”, “10th vehicle position”
"Vehicle position" to "11th vehicle position", "11th vehicle position" to "13th vehicle position", "13th vehicle position" to "14th vehicle position", "14th vehicle position" to " Even when the vehicle 10 moves to the “15th vehicle position”, the same operation as described above is performed. In that case, the vehicle management device 1 generates the result of the operation (vehicle information 60 as shown in FIG. 6). The vehicle traffic state reconstruction device 4 displays the traffic state on the display device 5 as a result of the operation.

In the ETC system operation support device 100, the vehicle traffic state reconfiguring device 4 has the vehicle management number 61.
The method for displaying the vehicle information 60 indicating “0010” on the display device 5 has been described above (visualized screen 75).
However, the animation display that simulates the actual movement of the vehicle 10 along the elapsed time (first time, second time, ...) Or the vertical axis is time (first time, second time, ...). ,
An example is a graph display showing the position of the vehicle 10 when the horizontal axis is the geometrical arrangement of the vehicle detectors 21, 22, 23, 24.

Further, the ETC system operation support device 100
In the vehicle traffic state reconfiguring device 4, the vehicle traffic state reconfiguring device 4 is based on the vehicle information 60 from the vehicle management device 1 and is in a passing state (passing state /
The traffic condition is not limited to being displayed on the display device 5 in real time. The output unit 17 of the vehicle management device 1 displays the vehicle information storage device 3 in a necessary time zone (predetermined time).
The vehicle information 60 stored in the vehicle is read out and output to the vehicle traffic state reconstruction device 4, and the vehicle traffic state reconstruction device 4 is read.
On the basis of the vehicle information 60 read from the vehicle management device 1, visualizes the past passing state (passing state / passing state) of the vehicle (vehicle 10 and other vehicles) and displays it as a passing history. It is also possible.

According to the above description, the ETC system operation support apparatus 100 is (i) the entrance / exit fee collection system, (i)
i) In the uniform toll collection system, the passing states of the vehicle 10 and the vehicle 10 'traveling on the toll road 70 can be visualized and displayed based on the vehicle information 60.

Also, the ETC system operation support device 100
Is based on the vehicle information 60 in the (i) entrance / exit toll collection system and (ii) uniform toll collection system.
By visualizing and displaying the passing states of the vehicle 10 and the vehicle 10 ′ traveling at 0, an employee working at a toll booth belonging to the ETC system operation support device 100 can easily grasp the abnormality of the ETC system. it can. Further, the abnormality of the ETC system may occur due to a traffic accident in which the vehicle 10 and the vehicle 10 'collide, in addition to a failure or a false detection of the vehicle detector (vehicle detector 22). Can take necessary measures in case of abnormality of ETC system.

(Second Embodiment) FIG. 9 is a block diagram showing a configuration of an ETC system operation support apparatus 200 according to the second embodiment. As shown in FIG. 9, the ETC system operation support device 200 further includes an abnormality determination unit 19 in the generation unit 16 of the vehicle management device 1 described in the ETC system operation support device 100, and includes the ETC system operation support device 100. The database 18 of the vehicle management device 1 described in
In addition, an abnormal state determination table 90 is further included. In the ETC system operation support device 200, the same components as those of the ETC system operation support device 100 are designated by the same reference numerals,
The description is omitted.

The abnormal state determination table 90 has the position information 6
3 and the abnormality type information 67 indicating the type of abnormality of the passing state of the vehicle (vehicle (vehicle 10, vehicle 10 ′) similarly to the ETC system operation support device 100).

The input device 2 is the vehicle detectors 21, 22, 2
New vehicle from 3 and 24 (vehicle 10, vehicle 10 ')
The state information S1, S2, S3, S4 of
2 is new status information S1, S2, S from the input device 2.
When 3 and S4 are collected, the generation unit 16 updates the vehicle information 60 indicating the vehicle management number 61 by using the vehicle management number 61 stored in the number storage unit 15 in the database 20 of the vehicle information storage device 3. To access and retrieve the vehicle information 60 stored in the database 20.

The generating unit 16 includes a vehicle management number 61, time information 62, position information 63, vehicle length information 64, and axle number information 65 with reference to the position determination table 30 and the vehicle length determination table 40. Vehicle information 60 for notifying the passing state of the vehicle (vehicle 10, vehicle 10 ') is generated (updated). Further, the generation unit 16 refers to the abnormal state determination table 90, and when the passing state of the vehicle (vehicle 10, vehicle 10 ′) is abnormal, generates the vehicle information 60 further including the abnormality type information 67 ( Update.

At this time, the position determination unit 13 of the generation unit 16
Is the state information S1, S collected by the collection unit 12.
The vehicle indicated by the position information 63 by referring to the position determination table 30 by 2, S3, S4 (vehicle 10, vehicle 10 ')
Determine the position of. In addition, the vehicle length determination unit 14 of the generation unit 16
Determines the length of the vehicle (vehicle 10, vehicle 10 ′) indicated by the vehicle length information 64 by referring to the vehicle length determination table 40 based on the position information 63 indicating the position determined by the position determination unit 13.

The abnormality judging section 19 of the generating section 16 refers to the abnormal state judging table 90, and as a result of the judgment by the position judging section 13 and the vehicle length judging section 14, the vehicle (vehicle 10, vehicle 1
In order to check whether or not the passing state of 0 ') is abnormal, the vehicle indicated by the abnormality type information 67 (vehicle 10, vehicle 1)
The type of abnormality in the passing state of 0 ') is determined.

FIG. 10 is a diagram showing the contents of the abnormal state determination table 90. This abnormal state determination table 90 is
The abnormality determination unit 19 is used as a material for determining the type of abnormality of the passing state of the vehicle indicated by the abnormality type information 67 by referring to the abnormal state determination table 90, and the generation unit 16 uses the vehicle information 6
Used as a material to generate (update) 0. As shown in FIG. 10, the abnormal state determination table 90 has a position information registration field 91 in which the above-mentioned position information 63 is registered in advance.
₁ includes a to 91 _15, and an abnormality type information registration field ₉₂ 1-92 ₄ abnormality type information 67 described above are registered in advance.

Position information registration columns 91 ₁ , 91 ₂ , 91 ₃ ,
91 ₄ , 91 ₅ , 91 ₆ , 91 ₇ , 91 ₈ , 91 ₉ , 9
1 ₁₀ , 91 ₁₁ , 91 ₁₂ , 91 ₁₃ , 91 ₁₄ , 9
The 1 _{1 5,} described above as the position information 63 "first vehicle position", "second vehicle position", "third vehicle position", "the fourth vehicle position", "fifth vehicle position", "6 Vehicle position ”,“ seventh vehicle position ”,“ eighth vehicle position ”,“ ninth vehicle position ”,
"10th vehicle position", "11th vehicle position", "12th vehicle position", "13th vehicle position", "14th vehicle position",
The “15th vehicle position” is registered in advance.

[0132] The abnormality type information registration field 92 _1, anomaly type as information 67 "first abnormality type (vehicle management deviation)" is registered in advance. The vehicle management deviation, which is the first abnormality type, indicates that there are a predetermined number or more of vehicles managed by the vehicle management device 1 on the toll road 70 at a specific distance between the vehicle detectors. Due to a failure or erroneous detection (detection omission), an abnormality in the passing state of the vehicle 10 '(E
(TC system abnormality) occurs and the vehicle 10 ′ traveling on the toll road 70 between the vehicle detector 21 and the vehicle detector 22.
Means that the vehicle management apparatus 1 erroneously recognizes that the vehicle 10 and the vehicle 10 ′ overlap with each other due to the deviation of the recognition of the ETC system.

[0133] The anomaly type information registration field 92 _2, anomaly as the type information 67, indicating that the number of axes of the vehicle which the vehicle management device 1 manages is abnormal "second abnormality types (number of axes abnormal)"
Is registered in advance. The anomaly type information registration field 92 _3, the abnormality as the type information 67, "the third abnormal kind (vehicle length abnormal)", which indicates that the vehicle management system 1 is abnormal length of the vehicle to be managed is registered in advance ing.

[0134] The abnormality type information registration field 92 _4, the abnormality type as information 67 "fourth abnormality types (vehicle management deviation)" is registered in advance. The vehicle management deviation, which is the fourth abnormality type, indicates that the vehicle managed by the vehicle management device 1 has stayed for a set time (for example, 30 minutes) or more. For example, a failure or erroneous detection (detection) of the vehicle detector 22 is detected. Due to the leakage, an abnormality in the passing state of the vehicle 10 (abnormality of the ETC system) occurs, and the vehicle 10 traveling on the toll road 70 and the ETC system are not recognized, so that the vehicle management device 1 actually detects the vehicle 10 It means erroneously recognizing that the person is staying in the lane (within the toll road 70) despite exiting.

Abnormality type information registration field 92₁And location information registration
Recording column 91₆, 91₇, 91₈, 91 ₁₀, 91₁₁, 9
1_ThirteenIn the column that associates with, "distance L1 (4 mate
Le) ”,“ Distance (L1 + L2 (10 meters)) ”,
"Distance (L1 + L2 + L3 (4 meters))", "Distance
L2 (10 meters) "," distance (L2 + L3) ",
Vehicles on the toll road 70 at "distance L3" (generally 2.5
Vehicles above Torr 10, vehicle 10 ', other vehicles)
Indicating that there are more than two "2 units or more between S1 and S2"
"Existence", "Six or more exist between S1 and S3", "S1
8 or more exist between S4 "," 4 or more exist between S2 and S3 "
"Available", "Six or more exist between S2 and S4", "S3 to S4
"Two or more units exist" is registered in advance.

[0136] The anomaly type information registration field 92 _2, in the column for associating the location information registration section 91 _6, with a number of axes or 3 axes toll road 70 between the vehicle detector 21 and the vehicle detector 22 "3 or more axes" indicating that a vehicle (vehicle 10, vehicle 10 ') exists is registered in advance.

Abnormal type information registration column 92_ThreeAnd location information registration
Recording column 91₆, 91₇, 91₈, 91 ₁₀, 91₁₁, 9
1_ThirteenIn the column for associating with
The vehicle length “distance L1” indicated by the registered vehicle length information 64,
"Distance (L1 + L2)", "Distance (L1 + L2 + L
3) ”,“ distance L2 ”,“ distance (L2 + L3) ”,“ distance
The vehicle length determined by the vehicle length determination unit 14 is better than the distance L3 ".
"Longer than L1", which means long, "(L1 + L2)
"Longer", "Longer than (L1 + L2 + L3)", "L2
"Longer", "Longer than (L2 + L3)", "Letter than L3
“Long” is registered in advance.

[0138] anomaly type information and registration field 92 _4, position information in the registration field _{91 2-91} column associating the ₁₄ same vehicle (the vehicle 10 in the "second vehicle position" - "14 vehicle position" described above, “Stay for a set time or longer” indicating that the vehicle 10 ′) has stayed for a set time or longer is registered in advance.

The operation of the ETC system operation support device 200 will be described with reference to FIGS. 2 to 4, 8, 10, and 11. Here, the operation of the ETC system included in the ETC system operation support device 200 is described in the first embodiment.
Similarly, the vehicle management device 1, the input device 2, the vehicle information storage device 3, the vehicle traffic state reconstruction device 4, the display device 5, and the vehicle detectors 21, 22, 23, 24 will be described. In the ETC system operation support device 200, ET
Similar to the C system operation support device 100, the vehicle 10
It is an ordinary car and has an on-board unit. In this case, the vehicle-mounted device ID for identifying the vehicle-mounted device is "001.
0 ". Also, the first vehicle position", "second vehicle position", "sixth vehicle position", "seventh vehicle position", "tenth vehicle position".
It is assumed that the vehicle moves in the order of “vehicle position”, “eleventh vehicle position”, “thirteenth vehicle position”, “fourteenth vehicle position”, and “fifteenth vehicle position”.

In the description of the operation of the ETC system operation support device 200, only the changes of the ETC system operation support device 100 will be described. Here, from "second vehicle position" to "sixth
When the vehicle 10 moves to the "vehicle position", an abnormality in the passing state of the vehicle (vehicle 10, vehicle 10 ') occurs due to a failure or erroneous detection (detection omission) of the vehicle detector 22 as shown in FIG. The case will be described.

In this case, the vehicle 10 'has the "sixth vehicle position" before the first time, the "seventh vehicle position" at the first time, and the second time.
When it is assumed that the vehicle moves in the order of “10th vehicle position” at time, the vehicle detector 22 travels on the toll road 70 at the first time indicated by the time information 62 due to a failure or a false detection (missing detection). It is not possible to detect the “seventh vehicle position” of the running vehicle 10 ′ and the “tenth vehicle position” of the vehicle 10 ′ traveling on the toll road 70 at the second time indicated by the time information 62. Therefore, the vehicle management device 1 determines that the vehicle 10 'remains at the "sixth vehicle position" even after the second time has elapsed, and the second time and the "sixth vehicle position" indicated by the time information 62 are indicated. The vehicle information 60 indicating the vehicle management number 61 “0009” that is associated with “” is generated.

When the vehicle 10 moves from the "second vehicle position" to the "sixth vehicle position", the optical sensor 21a of the vehicle detector 21 indicates that the vehicle 10 has passed as shown in FIG. The exit of the vehicle 10 is detected. Also, the tread 21
c is stepped on by the front wheels of the vehicle 10, and the pressure sensor 21b of the vehicle detector 21 operates in the order of the pressure sensor 21b ′ and the pressure sensor 21b ″. The forward movement of the vehicle 10 is detected.
The vehicle detector 21 includes time information 62 indicating the second time when the passing state (exit) of the vehicle 10 is detected and the vehicle 10.
State information S1 including the exit information indicating the exit (OFF) of the vehicle and the advance information indicating the forward movement of the vehicle 10 is output to the input device 2.

The collection unit 12 of the vehicle management device 1 collects the state information S1 from the input device 2 and changes the state by the vehicle detector 21 (the exit information "OF included in the state information S1.
F ", forward movement information). The position determination unit 13 of the generation unit 16 of the vehicle management device 1 refers to the position determination table 30 and exit information" OFF ", forward movement information (state) included in the state information S1. The position of the vehicle (position information 63) is listed by the information registration field 32 ₃ ), and the listed position information 63 is the “second vehicle position” (position information registration field 3).
1 ₂ ), “third vehicle position” (position information registration field 31 ₃ ),
It is recognized that it is a “fourth vehicle position” (positional information registration column 31 ₄ ) and a “fifth vehicle position” (positional information registration column 31 ₅ ).

The position determining unit 13 determines the "second vehicle position" (positional information registration column 31 ₂ ), the "third vehicle position" (positional information registration column 31 ₃ ), the "fourth vehicle position" (positional information registration column). 31
₄ ), the database 20 of the vehicle information storage device 3 is searched for whether or not a vehicle is present at the position indicated by the “fifth vehicle position” (positional information registration column 31 ₅ ). Here, the position information 63
As the “second vehicle position” (positional information registration field 31 ₂ ),
It is assumed that the vehicle is present at the position indicated by the "sixth vehicle position" (positional information registration field 31 ₆ ). Position determining unit 13 refers to the position determination table 30, the position information registration field 31 ₂ associated with ^{"6 1} (Sixth vehicle position)" is positional information 6
Since the vehicle has the highest priority of 3, the vehicle detector 21 causes the state information S1 (exit information “OFF”, forward movement) to occur due to the movement of the vehicle 10 existing in the “second vehicle position” (position information registration field 31 ₂ ). Recognize (judgment) that information has been detected
To do.

The generation unit 16 stores the vehicle management number 61 "0010" of the vehicle 10 stored in the number storage unit 15 and the number storage unit 15 so that the control device 6 outputs the vehicle management number 61 "0010" from the vehicle 10 'before the first time. The database 20 of the vehicle information storage device 3 is accessed based on the acquired vehicle management number 61 “0009”, and the vehicle management number 61 stored in the database 20 is accessed.
Vehicle information 60 indicating "0009" and vehicle management number 61
The vehicle information 60 indicating “0010” is searched and read. As shown in FIG. 4, the vehicle length determination unit 1 of the generation unit 16
4 refers to the vehicle length determination table 40 and refers to the position information 63
Vehicle management number 61 “001
It is recognized (determined) that the length of the vehicle 10 registered as the vehicle length information 64 in the vehicle information 60 indicating 0 ″ is not changed.
The generation unit 16 does not change “distance (L1−α)” as the vehicle length information 64 included in the vehicle information 60.

In the vehicle information 60 indicating the vehicle management number 61 "0009" and the vehicle information 60 indicating the vehicle management number 61 "0010", as shown in FIG.
The abnormality determination unit 19 of No. 6 refers to the abnormal state determination table 90, and based on the result (“the sixth vehicle position”) that the position determination unit 13 and the vehicle length determination unit 14 perform determination, the position information 63 is “ 6 vehicle position "(positional information registration field 91 ₆ ) is recognized (determined). Abnormality determining unit 19 refers to the abnormal state determination table 90, the "presence two or more" associated with the location information registration section 91 _6, in the second time indicated by the time information 62, and the vehicle (vehicle 10 The "first abnormality type (vehicle management deviation)" indicated by the abnormality type information 67 is recognized (determined) as an abnormality in the passing state of the vehicle 10 '(two or more vehicles exist).

As shown in FIG. 11, the generator 16 is
Instead of the axis number information 65 “1”, the axis number information 65 “2” is registered in the axis number information registration field 85 of the vehicle information 60 indicating the vehicle management number 61 “0010”, and the time information registration field 82 ₂ , location information registration section 83 _2, time information 62 indicating the second time,
Position information 63 registered "sixth vehicle position", the time information registration section 82 _3, the position information registration column 83 _3, corresponding to the second time, the state of passage of the vehicle (vehicle 10, 10 ') abnormalities Time information 62 indicating the occurrence of the a-th time, abnormality type information 67
By registering the "first abnormality type (vehicle management deviation)", the vehicle information 60 indicating the vehicle management number 61 "0010"
Is generated (updated). At this time, the generation unit 16 determines the number of axes of the vehicle 10 corresponding to the number of times “2” when the state information S1 is collected by the collection unit 12 based on the forward movement information included in the state information S1. 65 “2” is generated and registered in the axis number information registration field 85. The output unit 17 uses the vehicle management number 61 “0” generated (updated) by the generation unit 16.
The vehicle information 60 indicating 010 ″ is stored in the vehicle information storage device 3 and output to the vehicle traffic state reconstruction device 4.

The vehicle traffic state reconstruction device 4 is a vehicle that travels on the toll road 70 at the second time indicated by the time information 62 based on the vehicle information 60 indicating the vehicle management number 61 "0010" from the vehicle management device 1. Passing state of 10 (passing state)
As a result, the “third vehicle position” is visualized, and the visualized screen 76 as shown in FIG. 8 is displayed on the display device 5. At this time, the vehicle traffic state reconstruction device 4 displays the vehicle management number 6
1 Based on the abnormality type information 67 “first abnormality type (vehicle management deviation)” included in the vehicle information 60 indicating “0010”, the abnormality of the passing state of the vehicle (vehicles 10 and 10 ′) is determined by ETC.
The employee working at the toll booth belonging to the system operation support device 200 is notified. Examples of the abnormality notification include warning sound, a message, and light emission on the screen 76 indicating an alarm.

In the case of a message, the vehicle traffic state reconstruction device 4 determines whether the vehicle (vehicles 10 and 10 ') is in a passing state based on the abnormality type information 67 "first abnormality type (vehicle management deviation)". Notify the employee by message. As the content of the message, when the abnormality type information 67 is “first abnormality type (vehicle management deviation)”, “Vehicle management deviation” is illustrated, and the abnormality type information 67 is “second abnormality type (axis number deviation)”. In the case of "," there are vehicles with three or more axes within 4 meters. "If the abnormality type information 67 is" 3rd abnormality type (vehicle length abnormality) "," the vehicle length is abnormal. " When the abnormality type information 67 is “fourth abnormality type (vehicle management deviation)”, “There is a vehicle that has stayed for 30 minutes or more” is exemplified.

In the case of the light emission of the screen 76 indicating the alarm, the vehicle traffic state reconstruction device 4 determines the vehicle (vehicle 10, 1) based on the abnormality type information 67 "first abnormality type (vehicle management deviation)".
The abnormality of the passing state of 0 ') is notified to the employee by the light emission of the screen 76. The light emitted from the screen 76 is the screen 7
Illumination of an image corresponding to the vehicle (vehicle 10, vehicle 10 ′) displayed on 6 and emission of an image corresponding to the vehicle detector 22 displayed on the screen 76 are illustrated.

As described above, the ETC system operation support device 200 has the abnormality type information 67 included in the vehicle information 60.
A tollgate belonging to the ETC system operation support device 200 by notifying an abnormality in the passing state of the vehicle (vehicles 10 and 10 ') (abnormality of the ETC system) based on the "first abnormality type (vehicle management deviation)". An employee working in can more easily determine (understand) which part of the ETC system (in this case, the vehicle detector 22) has an abnormality than the ETC system operation support device 100.

The ETC system operation support device 200 is
“Sixth vehicle position” to “seventh vehicle position”, “seventh vehicle position” to “tenth vehicle position”, “tenth vehicle position”
To "11th vehicle position", "11th vehicle position" to "13th vehicle position", "13th vehicle position" to "1st vehicle position"
Even when the vehicle 10 moves from "14th vehicle position" to "14th vehicle position" to "4th vehicle position", the same operation as described above is performed. In that case, the vehicle management device 1 determines the result of the operation ( Generate vehicle information 60) as shown in FIG.
The vehicle traffic state reconstruction device 4 displays the traffic state on the display device 5 as a result of the operation.

According to the above description, the ETC system operation support device 200 is (i) an entrance / exit fee collection system, (i)
i) In the flat rate toll collection system, in addition to the effect of the ETC system operation support device 100, by visualizing the passing state of the vehicle 10 and the vehicle 10 'traveling on the toll road 70 based on the vehicle information 60, the ETC system An employee working at a toll booth belonging to the ETC system operation support device 200 can be notified of a system abnormality. The employee is
In the event of a TC system malfunction, the necessary measures can be taken immediately.

(Third Embodiment) FIG. 12 shows a third embodiment.
3 is a block diagram showing the configuration of an ETC system operation support device 300 according to the present invention. FIG. As shown in FIG. 12, the ETC system operation support device 300 includes the position determination table 30 and the vehicle length determination table 40 in the database 18 of the vehicle management device 1 described in the ETC system operation support device 100.
Instead of the position determination table 35 and the vehicle length determination table 45
Have. In addition, the ETC system operation support device 300
, The vehicle detector 23 is removed. In the ETC system operation support device 300, the ETC system operation support device 100
The same constituent elements as those of the above are denoted by the same reference numerals, and the description thereof will be omitted.

The position determination table 35 has state information S1,
S2, S4 and vehicles traveling on toll roads (vehicles (vehicle 10, vehicle 1 as well as ETC system operation support device 100
0 ')) is associated with position information 63 indicating the position. The vehicle length determination table 45 associates the position information 63 with the vehicle length information 64 indicating the length (vehicle length) of the vehicle (vehicle 10, vehicle 10 ') traveling on the toll road.

FIG. 13 shows the ETC system operation support device 3.
FIG. 50 is a block diagram showing a configuration provided on the toll road side 71 in 00. In the ETC system operation support device 300, the configuration provided on the toll road side 71 is the one without the vehicle detector 23 shown in FIG.

In this case, the vehicle detector 24 (optical sensor 24a) is moved in the X1 direction from the center of the vehicle detector 22 (optical sensor 22a) to the center of the vehicle detector 24 (optical sensor 24a). Distance L2 in (Embodiment 1, FIG. 2)
Is provided on the toll road side 71 at a distance L10 that is the sum of the distance L3 and the distance L3. Here, the distance L10 is 14 meters. The effective output width L24 is the distance L obtained by adding the effective output width L23, the distance L6, and the distance L7 described above (Embodiment 1, FIG. 2) in the X1 direction from the effective output width L22.
Only 11 apart. The start controller 25 is the vehicle detector 2
2 (optical sensor 22a) and the vehicle detector 24 (optical sensor 24a) between the vehicle detector 24 and X2.
They are provided on the toll road side 71 and the toll road side 72, separated by 0.5 meters in the direction. The roadside indicator 8 is located behind the vehicle detector 24, for example, from the vehicle detector 24 to X1.
It is provided on the toll road side 72 at a distance of 0.5 meters in the direction. Although not shown, the roadside indicator 8 may be provided on the toll road side 72 in front of the vehicle detector 24, for example, at a distance of 0.5 meters in the X2 direction from the start controller 25.

Operation of the ETC system (control device 6, input / output device 7, roadside display 8, antennas 9a, 9b, start controller 25, vehicle detectors 21, 22, 24) included in the ETC system operation support device 300. For, the same operation as the ETC system (operation other than the vehicle detector 23) described in the first embodiment is executed. In this case, the ETC system included in the ETC system operation supporting device 300 is (i-1) in the (i) entrance / exit fee collection system.
0), (i-1-1), (i-1-2), (i-1-)
4), (i-1-5), (i-2-0) (i-2-
1) and (i-2-2) are executed, and (ii) in the flat rate collection system (ii-0), (ii-1), (ii-
2), (ii-4), and (ii-5) are executed. In the above case, "vehicle detector 23", "state information S"
3 ”as“ vehicle detector 24 ”and“ state information S ”, respectively.
The operation of the ETC system included in the ETC system operation support device 300 will be described by replacing it with “4”.

FIG. 14 is a diagram showing state transitions of the position determination table 35. Here, the status information S1, S2, S4
The entry information included in is represented by "ON", and the status information S
The exit information included in S1, S2, and S4 is represented by “OFF”. This position determination table 35 is used by the position determination unit 13
Is used as a material for determining the position of the vehicle indicated by the position information 63 by referring to the position determination table 30, and the generation unit 16 is used as a material for generating the vehicle information 60. As shown in FIG. 14, the position determination table 35, the position information position information 63 described above are registered in advance registration field 35 ₁
And 35 _10, and a status information registration section ₃₆ 1-36 ₈ state information S1, S2, S4 described above are registered in advance.

[0160] The status information registration column 37 _1, the vehicle detectors 2
The state information S1, the entry information “ON” and the advance information included in the state information S1 are registered in advance as the contents performed by 1. The status information registration column 37 _2, as the contents to be performed by the vehicle detector 21, the state information S1,
The entry information “ON” and the reverse travel information included in the state information S1 are registered in advance. The status information registration column 37 _3,
As the contents performed by the vehicle detector 21, the state information S
1, advance information “OFF” included in the state information S1, and advance information are registered in advance. Status information registration column 37
₄ shows the status information S1 and the exit information “OF” included in the status information S1 as contents to be performed by the vehicle detector 21.
F "and the reverse travel information are registered in advance.

[0161] The status information registration section 37 _5, the vehicle detectors 2
The state information S2 and the entry information “ON” included in the state information S2 are registered in advance as the contents to be performed by 2. The status information registration column 37 _6, as the content to be performed by the vehicle detector 22, a state information S2, the state information S
The exit information “OFF” included in 2 is registered in advance. The status information registration field 37 _7, as the content to be performed by the vehicle detector 24, the state information S4, the state information S4
The entry information “ON” included in is registered in advance. State to the information registration section 37 _8, as the content to be performed by the vehicle detector 24, the state information S4, exit information "OFF" and included in the state information S4 is registered in advance.

[0162] The location information registration section 36 _1, the position information 63
The "first vehicle position" indicating that the vehicle has not entered the entrance (vehicle detector 21) of the toll gate (before entering) is registered in advance. The location information registration section 36 _2, location information 6
As “3,” the “second vehicle position” indicating that only the vehicle detector 21 has detected the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance. The “second vehicle position” includes approach information “ON”. Location information registration field 36
_In “3”, the “third vehicle position” indicating that the vehicle detectors 21 and 22 simultaneously detect the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance as the position information 63. The “third vehicle position” includes approach information “ON”.

[0163] The location information registration section 36 _4, position information 63
The “fourth vehicle position” indicating that the vehicle detectors 21, 22, and 24 simultaneously detect the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance. The “fourth vehicle position” includes approach information “ON”. The location information registration section 36 _5, "fifth vehicle position" is beforehand registered to indicate that the vehicle is traveling a toll road 70 between the vehicle 10 and the vehicle detector 21 vehicle detector 22 as the position information 63 Has been done.

[0164] The location information registration section 36 _6, position information 63
The “sixth vehicle position” indicating that only the vehicle detector 22 has detected the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance. "6th vehicle position"
The entry information “ON” is included. The location information registration section 36 ₇ travels the toll road 70 as the position information 63 vehicle 1
The "seventh vehicle position" indicating that the vehicle detectors 22 and 24 simultaneously detected the passing state of 0 is registered in advance. The “seventh vehicle position” includes approach information “ON”. The location information registration section 36 _8, "Eighth vehicle position" is beforehand registered to indicate that the vehicle is traveling a toll road 70 between the vehicle 10 is a vehicle detector 22 and the vehicle detector 24 as the position information 63 Has been done.

[0165] The location information registration section 36 _9, position information 63
“9th vehicle position” indicating that only the vehicle detector 24 has detected the passing state of the vehicle 10 traveling on the toll road 70 is registered in advance. "9th vehicle position"
The entry information “ON” is included. Location information registration field 36 ₁₀
The “10th vehicle position” indicating that the vehicle detector 24 has exited is registered in advance as the position information 63.

When the content registered in the status information registration column 37 ₁ is performed by the vehicle detector 21, the position information 63 is displayed in the column in which the status information registration column 37 ₁ and the position information registration column 36 ₁ are associated with each other. “2” indicating that the vehicle 10 has moved to the above-mentioned “second vehicle position” is registered in advance.

[0167] status information registration field 37 _2, position information in the registration field _{36 5,} 36 _6, 36 7, 36 column associating the _8, status information registration field 37 ₂ contents vehicle detectors that are registered in the 21 Is performed by the vehicle 10 as the position information 63, the “second vehicle position”, the “third vehicle position”,
“2 ¹ ”, “3 ² ”, “4 ³ ”, and “2 ⁴ ” indicating that the vehicle has moved to the “fourth vehicle position” and the “second vehicle position” are registered in advance. Here, “2 ¹ ”, “3 ² ”,
The numbers on the right side of “4 ³ ” and “2 ⁴ ” indicate the priority order,
The lower the number, the higher the priority. For example, the position information and the position information 63 is registered "fifth vehicle position" in the registration column 36 _5, there is position information 63 vehicle 10 and the "eighth vehicle position" registered in the location information registration section 36 ₈ to case, when the contents registered in the status information registration field 37 ₂ is performed by the vehicle detector 21, a higher priority "2 ^1" becomes effective, registered in the location information registration section 36 ₂ position information 63 "second vehicle position", so that the location information 63 "eighth vehicle position" and the vehicle 10 registered in the location information registration section 36 ₈ exists.

[0168] status information registration field 37 _3, the position information in the registration field _{36 2,} 36 3, 36 ₄ associates the column, status information registration column 37 ₃ contents vehicle detectors that are registered in the 21
“5 ¹ ”, “6 ² ” indicating that the vehicle 10 has moved to the above-mentioned “fifth vehicle position”, “sixth vehicle position”, or “seventh vehicle position” as the position information 63. , "7
³ "is registered in advance. Here," 5 ¹ "," 6 "
^{2 ","} the right shoulder of the number of 7 3 ^", indicates the priority, priority, a smaller number high.

[0169] The state information registration field 37 _4, in the column for associating the location information registration section 36 _2, when the contents registered in the status information registration field 37 ₄ is performed by the vehicle detector 21, the position information 63 “1” indicating that the vehicle 10 has moved to the above-mentioned “first vehicle position” is registered in advance.

[0170] The state information registration section 37 _5, position information on the registration field _{36 2,} 36 _5, 36 8, 36 column associating the _9, status information content registered in the registration field 37 ₅ vehicle detector 22 Is performed by the vehicle 10 as the position information 63, the “third vehicle position”, the “sixth vehicle position”,
“3 ² ”, “6 ¹ ”, “6 ³ ”, and “7 ⁴ ” indicating that the vehicle has moved to the “sixth vehicle position” and the “seventh vehicle position” are registered in advance. Here, “3 ² ”, “6 ¹ ”,
The numbers on the right side of "6 ³ " and "7 ⁴ " indicate the priority order,
The lower the number, the higher the priority. For example, the position information and the position information 63 is registered "fifth vehicle position" in the registration column 36 _5, there is position information 63 vehicle 10 and the "eighth vehicle position" registered in the location information registration section 36 ₈ to case, when the contents registered in the status information registration field 37 ₅ is performed by the vehicle detector 22, the priority higher order "6 ^1" becomes effective, registered in the location information registration section 36 ₆ position information 63 "sixth vehicle position", so that the location information 63 "eighth vehicle position" and the vehicle 10 registered in the location information registration section 36 ₈ exists.

[0171] The state information registration field 37 _6, position information in the registration field _{36 3,} 36 6, 36 ₇ and column associating the state information content registered in the registration field 37 ₆ vehicle detector 22
When performed by the "second vehicle position" of the vehicle 10 is described above as the location information 63, "Eighth vehicle position", indicating that it has moved to the "Ninth vehicle position"^"23",^"82" , "9
¹ "is registered in advance. Here," 2 ³ "and" 8 "are registered.
^{2 ","} the right shoulder of the numbers 9 1 ^", indicates the priority, the priority, a smaller number higher.

[0172] The state information registration field 37 _7, position information registration field _{36 3,} 36 6, 36 ₈ in the column for associating the state information registration field 37 contents registered in ₇ vehicle detector 24
“4 ³ ”, “7 ² ” indicating that the vehicle 10 has moved to the above-mentioned “fourth vehicle position”, “seventh vehicle position”, and “ninth vehicle position” as the position information 63. , "9
¹ "is registered in advance. Here," 4 ³ "and" 7 "are registered.
^{2 ","} the right shoulder of the numbers 9 1 ^", indicates the priority, the priority, a smaller number higher.

[0173] The state information registration field 37 _8, location information registration section _{36 4,} 36 7, 36 ₉ and in the column associating the state information content registered in the registration field 37 ₈ vehicle detector 24
“3 ³ ”, “6 ² ” indicating that the vehicle 10 has moved to the above-mentioned “third vehicle position”, “sixth vehicle position”, or “tenth vehicle position” as the position information 63. ,
“10 ¹ ” is registered in advance. here,
The numbers on the right side of “3 ³ ”, “6 ² ”, and “9 ¹ ” indicate the priority order, and the smaller the number, the higher the priority order.

FIG. 15 is a diagram showing a state transition of the vehicle length determination table 45. The vehicle length determination table 45 is used as a material by which the vehicle length determination unit 14 refers to the vehicle length determination table 45 to determine the position of the vehicle indicated by the position information 63, and the generation unit 16 generates the vehicle information 60. Used as. As shown in FIG. 15, the vehicle length determination table 45
Is a position information registration column 46 _{1 to} 46 for registering the above position information 63 and the above vehicle length information 64 in association with each other.
₁₀ and vehicle length information registration columns 47 _{1 to} 47 ₁₀ .

Position information registration fields 46 ₁ , 46 ₂ , 46 ₃ ,
46 ₄ , 46 ₅ , 46 ₆ , 46 ₇ , 46 ₈ , 46 ₉ and 4
6 _10, the above-mentioned "first vehicle position" as position information 63, "the second vehicle position", "third vehicle position", "the fourth vehicle position", "fifth vehicle position", "the sixth vehicle Position "," 7th vehicle position "," 8th vehicle position "," 9th vehicle position ",
“Tenth vehicle position” is registered in advance.

Vehicle length information registration fields 47 ₁ , 47 ₃ , 47 ₄ ,
47 _7, the length of the vehicle 10 as the vehicle length information 64 indicating the (vehicle length) "distance (L1-alpha)", "distance L1", "distance (L1 + L10)", "distance L10" is beforehand registered Has been done. Here, the distance L1 is a distance indicating the above-described 4 meters, and the distance α is a distance smaller (shorter) than the distance L1. The distance (L1-α) is a distance indicating (4-α) meters. The distance L10 is a distance indicating 14 meters described above, and the distance (L1 + L10) is a distance indicating 18 meters. Further, the "distance L associated with the" third vehicle position ", the" fourth vehicle position ", and the" seventh vehicle position "
1 ”,“ distance (L1 + L10) ”, and“ distance L10 ”are
Since the length of the vehicle 10 is not determined, the distance is approximated in advance.

Vehicle length information registration fields 47 ₂ , 47 ₅ , 47 ₆ ,
"No change" is previously registered as the vehicle length information 64 in each of 47 ₈ , 47 ₉ , and 47 ₁₀ . Generator 16 (position determining unit 13) is initially location 63 the vehicle 10 is registered in the location information registration section 46 ₁ "first vehicle position"
It is recognized that the length of the vehicle 10 is “distance (L1−α)” as the vehicle length information 64. For example, when the vehicle 10 has moved to the position information registration section 46 ₂ position information 63 registered in the "second vehicle position" from the position information 63 "first vehicle position" registered in the location information registration section 46 ₁ , vehicle length determination unit 14 described above are registered in the location information registration section 46 ₂ "second position information" and vehicle length information registration section 47
Vehicle 1 with reference to "No change" registered in ₂
It is determined that the length of 0 is not changed. The generation unit 16 uses the “distance (L1
-Α) ”is not changed.

[0178] Further, the location information registration section 46 ₂ position information 63 registered in the "second vehicle position" from the location information registration section ₄₆₃ position information 63 registered in the "third vehicle position"
When the vehicle 10 moves to, the vehicle length determination unit 14 described above
The "third position information" registered in the position information registration column 46 ₃ and the "distance L" registered in the vehicle length information registration column 47 ₃
1 ”to determine that the length of the vehicle 10 is the“ distance L1. ”The generation unit 16 determines the vehicle length from the vehicle length information 64“ distance (L1-α) ”included in the vehicle information 60. When the "distance L1" determined by the unit 14 is long, the "distance (L1-α)" is changed as the vehicle length information 64 included in the vehicle information 60 and updated to "distance L1". Part 16
Changes the vehicle length only when the vehicle length indicated by the vehicle length information 64 determined this time is longer than the vehicle length indicated by the vehicle length information 64 determined previously.

The operation of the ETC system operation support device 300 will be described with reference to FIGS. Where E
The operation of the ETC system included in the TC system operation support device 300 is omitted from the above description, and the vehicle management device 1, the input device 2, the vehicle information storage device 3, the vehicle traffic state reconstruction device 4, the display device 5, the vehicle Detectors 21, 2
2 and 24 will be described. It is assumed that the vehicle 10 is an ordinary vehicle and has an on-vehicle device. In this case, the vehicle-mounted device ID for identifying the vehicle-mounted device is set to "0010". In addition, it is assumed that the vehicle has not entered the entrance (vehicle detector 21) of the tollgate (before entering), and "first vehicle position", "second vehicle position", "fifth vehicle position", "sixth vehicle"position",
It is assumed that the vehicle moves in the order of "8th vehicle position", "9th vehicle position", and "10th vehicle position". In this case, first, the position information 63 is “first vehicle position”, and the vehicle length information 64 is “distance (L1−α)”.

When the vehicle 10 moves from the "first vehicle position" to the "second vehicle position", the optical sensor 21a of the vehicle detector 21 indicates that the vehicle 10 is passing as shown in FIG. The entry of the vehicle 10 is detected. Also, the tread 2
1c is stepped on by the front wheels of the vehicle 10, and the vehicle detector 21
Since the pressure sensor 21b of 1 operates in the order of the pressure sensor 21b ′ and the pressure sensor 21b ″, the vehicle detector 21
The forward movement of the vehicle 10 is detected as the passing state of the vehicle 10. The vehicle detector 21 indicates that the vehicle 10 is passing (entry).
The state information S1 including the time information 62 indicating the first time when the vehicle is detected, the approach information indicating the approach (ON) of the vehicle 10, and the forward information indicating the forward movement of the vehicle 10 is output to the input device 2.

The collection unit 12 of the vehicle management device 1 collects the state information S1 from the input device 2 and the vehicle management number 61 "0010" from the control device 6, and changes the state by the vehicle detector 21 (state Entry information “O included in information S1
N ”, forward movement information). The number storage unit 15 of the generation unit 16 in the vehicle management device 1 detects the vehicle management number 61“ 0.
14 is stored. As shown in FIG. 14, the position determination unit 13 of the generation unit 16 refers to the position determination table 35 to enter the entry information “ON” and the advance information (state information S1) included in the state information S1. The registration column 37 ₁ ) indicates that the initial position (position information 63) of the vehicle 10 is the “first vehicle position” (position information registration column 36 ₁ ), and the vehicle detector is detected by the vehicle 10 that has moved to the “second vehicle position”. 21 recognizes (determines) that the state information S1 (entry information “ON”, forward movement information) has been detected by the vehicle 21. As shown in FIG. Location information 6
3 It is recognized (determined) that the length of the vehicle 10 is not changed by the “second vehicle position”. The generation unit 16 uses the vehicle information 60.
The “distance (L1−α)” is not changed as the vehicle length information 64 included in.

The generator 16 uses the vehicle management number registration field 81, the vehicle length information registration field 84, and the axle number information registration field 8 of the vehicle information 60.
5, the time information registration column 82 ₁ and the position information registration column 83 ₁
The vehicle management number 61 "0010", vehicle length information 64 "distance (L1-α)", axis number information 65 "1", time information 62 indicating the first time, position information 63 "second vehicle position" are registered. Thus, the vehicle information 60 indicating the vehicle management number 61 “0010” is generated. At this time, the generation unit 16 determines, based on the forward movement information included in the state information S1 by the collection unit 12, the number of axes of the vehicle 10 corresponding to the number of times “1” when the state information S1 is collected by the collection unit 12. The axis number information 65 “1” shown is generated and registered in the axis number information registration field 85. The output unit 17 saves the vehicle information 60 indicating the vehicle management number 61 “0010” in the vehicle information storage device 3 and outputs it to the vehicle traffic state reconstruction device 4.

The vehicle traffic state reconstruction device 4 is a vehicle that travels on the toll road 70 at the first time indicated by the time information 62 based on the vehicle information 60 indicating the vehicle management number 61 "0010" from the vehicle management device 1. Passing state of 10 (passing state)
As a result, the “second vehicle position” is visualized, and the visualized screen 77 as shown in FIG. 17 is displayed on the display device 5.
This vehicle traffic state reconstruction device 4 has the configuration shown in FIG. 13 (a toll road 70, a roadside display 8, antennas 9a, 9).
b, images corresponding to the vehicle detectors 21, 22, 24, and the start controller 25) are created in advance and are displayed at predetermined positions on the screen 77. The vehicle traffic state reconstruction device 4 is used for the vehicle 1
An image corresponding to 0 is created and displayed on the screen 77 at a position corresponding to the “second vehicle position”.

Next, when the vehicle 10 moves from the "second vehicle position" to the "fifth vehicle position", as shown in FIG. 13, the optical sensor 21a of the vehicle detector 21 causes the vehicle 10 to move.
The exit of the vehicle 10 is detected as a passing state of. Also,
Since the tread 21c is stepped on by the front wheels of the vehicle 10 and the pressure sensor 21b of the vehicle detector 21 operates in the order of the pressure sensor 21b 'and the pressure sensor 21b'', the vehicle detector 2
1 detects the forward movement of the vehicle 10 as a passing state of the vehicle 10. The vehicle detector 21 has time information 62 indicating the second time when the passing state (exit) of the vehicle 10 is detected,
Exit information indicating exit (OFF) of the vehicle 10 and the vehicle 10
The state information S1 including the forward movement information indicating the forward movement is output to the input device 2.

The collection unit 12 of the vehicle management device 1 collects the state information S1 from the input device 2 and changes the state by the vehicle detector 21 (the exit information "OF included in the state information S1.
F ", forward movement information). The position determination unit 13 of the generation unit 16 of the vehicle management device 1 refers to the position determination table 35 and exit information" OFF "included in the state information S1 and forward movement information (state). The position of the vehicle (position information 63) is listed by the information registration field 37 ₃ ), and the listed position information 63 is the “second vehicle position” (position information registration field 3).
6 ₂ ), “third vehicle position” (position information registration field 36 ₃ ),
Recognize that it is the “fourth vehicle position” (positional information registration column 36 ₄ ).

The position determining unit 13 determines the "second vehicle position" (position information registration column 36 ₂ ), "third vehicle position" (position information registration column 36 ₃ ), "fourth vehicle position" (position information registration column). 36
₄ ) The database 20 of the vehicle information storage device 3 is searched for whether or not the vehicle exists at the position indicated by ₄ ). Here, as the position information 63, “second vehicle position” (position information registration field 36
_It is assumed that the vehicle exists only at the position indicated by ₂ ). Position determining unit 13 refers to the position determination table 35, since the position information registration section 36 associated with the ₂ "5 1 ⁽⁵ vehicle position)" is the highest vehicle priority as position information 63 , It is recognized that the vehicle detector 21 has detected the state information S1 (exit information “OFF”, forward information) due to the movement of the vehicle 10 existing in the “second vehicle position” (position information registration field 36 ₂ ) (determination). To do.

The generation unit 16 accesses the database 20 of the vehicle information storage device 3 by the vehicle management number 61 "0010" of the vehicle 10 stored in the number storage unit 15, and the vehicle management number 61 "stored in the database 20. 001
The vehicle information 60 indicating 0 ″ is retrieved and read out. As shown in FIG. 15, the vehicle length determination unit 14 of the generation unit 16 refers to the vehicle length determination table 45 and refers to the position information 63 “fifth vehicle position”. It is recognized (determined) that the length of the vehicle 10 is not changed by ". The generation unit 16 does not change" distance (L1-α) "as the vehicle length information 64 included in the vehicle information 60.

As shown in FIG. 16, the generation unit 16 is
Instead of the axis number information 65 “1”, the axis number information 65 “2” is registered in the axis number information registration field 85 of the vehicle information 60 indicating the vehicle management number 61 “0010”, and the time information registration field 82 ₂ , location information registration section 83 _2, time information 62 indicating the second time,
By registering the position information 63 “fifth vehicle position”,
The vehicle information 60 indicating the vehicle management number 61 “0010” is generated (updated). At this time, the generation unit 16 determines the state information S
Based on the forward movement information included in 1, the axis number information 65 “2” indicating the number of axes of the vehicle 10 corresponding to the number of times “2” when the state information S1 is collected by the collection unit 12 is generated and the number of axes is generated. The information is registered in the information registration field 85. The output unit 17 is the generation unit 1
Vehicle management number 61 “001 generated (updated) by No. 6
The vehicle information 60 indicating 0 ″ is stored in the vehicle information storage device 3 and output to the vehicle traffic state reconstruction device 4.

The vehicle traffic state reconstruction device 4 is a vehicle that travels on the toll road 70 at the second time indicated by the time information 62, based on the vehicle information 60 indicating the vehicle management number 61 "0010" from the vehicle management device 1. Passing state of 10 (passing state)
As a result, the “fifth vehicle position” is visualized, and a visualized screen 78 as shown in FIG. 18 is displayed on the display device 5.
This vehicle traffic state reconfiguring device 4 has the same configuration as the screen 77 shown in FIG. 13 (toll road 70, roadside indicator 8, antennas 9a, 9b, vehicle detectors 21, 22, 23, 2).
4, create an image corresponding to the start controller 25) in advance,
It is displayed at a predetermined position on the screen 78. The vehicle traffic state reconstruction device 4 creates an image corresponding to the vehicle 10 and displays the image at a position corresponding to the “fifth vehicle position” on the screen 78.

Here, "0009" shown in FIG.
Is a vehicle management number 61 acquired from the vehicle 10 'by the control device 6 before the first time. For example, there are two or more vehicles (the vehicle 10 and the vehicle 10 ') on the toll road 70 between the vehicle detector 21 and the vehicle detector 22 displayed on the screen 78.
When present, the distance L1 between the vehicle detector 21 and the vehicle detector 22 is 4 meters, and generally there cannot be two or more vehicles having a length of 2.5 meters or more. It can be seen that at least one is abnormal.

The cause in this case is that the vehicle detector 22
There is a detection omission. When the vehicle 10 'is assumed to travel in the X1 direction in front of the vehicle 10, the vehicle detector 2
2 is the vehicle 1 due to failure or erroneous detection (detection omission)
An abnormality in the passing state of 0 '(abnormality of the ETC system) occurs, and the vehicle management device 1 determines that the vehicle 10' remains in the "fifth vehicle position" even after the second time has elapsed. ,
The vehicle information 60 indicating the vehicle management number 61 "0009" that associates the second time indicated by the time information 62 with the "fifth vehicle position" is generated (updated). Vehicle traffic state reconstruction device 4
Is the vehicle management number 61 “000 from the vehicle management device 1.
Vehicle information 60 indicating 9 "and vehicle management number 61" 001
Visualizing the “fifth vehicle position” of the vehicle 10 ′ and the “fifth vehicle position” of the vehicle 10 traveling on the toll road 70 at the second time indicated by the time information 62, based on the vehicle information 60 indicating the 0 ”. Then, the visualized screen 78 as shown in FIG.
Is displayed on the display device 5.

As described above, the ETC system operation support device 300 visualizes and displays the passing state of the vehicle 10 traveling on the toll road 70 at a certain time based on the vehicle information 60, thereby supporting the ETC system operation support. Device 300
An employee working at a toll booth belonging to can easily determine (understand) which part of the ETC system (in this case, the vehicle detector 22) is abnormal.

Next, when the vehicle 10 'described above does not exist and the vehicle 10 moves from the "fifth vehicle position" to the "sixth vehicle position", as shown in FIG. The optical sensor 22a detects the entry of the vehicle 10 as a passing state of the vehicle 10. The vehicle detector 22 inputs the state information S2 including the time information 62 indicating the third time when the passing state (entry) of the vehicle 10 is detected and the entry information indicating the entry (ON) of the vehicle 10. Output to 2.

The collection unit 12 of the vehicle management device 1 collects the state information S2 from the input device 2 and changes the state by the vehicle detector 22 (the entry information "O included in the state information S2.
N ") for detecting the. Position determination unit 13 of the generating unit 16 of the vehicle management device 1 refers to the position determination table 35, entering information contained in the state information S2" ON "(state information registration field ₃₇ 5) The position of the vehicle (positional information 63) is listed by, and the listed positional information 63 is "second vehicle position" (positional information registration field 36 ₂ ), "fifth vehicle position".
(Position information registration field 36 ₅ ), “eighth vehicle position” (position information registration field 36 ₈ ), and “9th vehicle position” (position information registration field 36 ₉ ) are recognized.

The position determination unit 13 determines the "second vehicle position" (position information registration field 36 ₂ ), the "fifth vehicle position" (position information registration field 36 ₅ ), the "8th vehicle position" (position information registration field). 36
₈ ), the database 20 of the vehicle information storage device 3 is searched for whether or not a vehicle is present at the position indicated by the “9th vehicle position” (positional information registration column 36 ₉ ). Here, the position information 63
As the “second vehicle position” (position information registration field 36 ₂ ),
Shall "fifth vehicle position" (the position information registration field 36 ₅₎ is a vehicle in the position shown there. Position determining unit 13 refers to the position determination table 35, associated with the location information registration section 36 ₂ ^{"3 2} (3 vehicle position)" and associated with the location information registration section 36 ₅ "6 ¹ (6th vehicle position) "
A result, since "6 1 ^(Sixth vehicle position)" is the highest vehicle priority as the position information 63, by the movement of the vehicle 10 that was present "fifth vehicle position" (the position information registration field 36 ₅₎ The vehicle detector 22 recognizes (determines) that the state information S2 (entry information “ON”) is detected.

The generation unit 16 accesses the database 20 of the vehicle information storage device 3 with the vehicle management number 61 “0010” of the vehicle 10 stored in the number storage unit 15, and the vehicle management number 61 “stored in the database 20. 001
The vehicle information 60 indicating 0 ″ is retrieved and read out. As shown in FIG. 15, the vehicle length determination unit 14 of the generation unit 16 refers to the vehicle length determination table 45 and refers to the position information 63 “fifth vehicle position”. It is recognized (determined) that the length of the vehicle 10 is not changed by ". The generation unit 16 does not change" distance (L1-α) "as the vehicle length information 64 included in the vehicle information 60.

As shown in FIG. 16, the generation unit 16 is
Time information registration field 82 ₃ of the vehicle information 60 indicating a vehicle management number 61, "0010", the location information registration section 83 _3, the time information 62 indicating a third time, the position information 63 "sixth vehicle position"
By registering the vehicle management number 61 "0010"
The vehicle information 60 indicating is generated (updated). Output unit 17
Saves the vehicle information 60 indicating the vehicle management number 61 “0010” generated (updated) by the generation unit 16 in the vehicle information storage device 3 and outputs it to the vehicle traffic state reconstruction device 4.

Based on the vehicle information 60 indicating the vehicle management number 61 "0010" from the vehicle management device 1, the vehicle traffic state reconstruction device 4 is a vehicle that travels on the toll road 70 at the third time indicated by the time information 62. Passing state of 10 (passing state)
As a result, the “sixth vehicle position” is visualized, and the visualized screen is displayed on the display device 5.

The ETC system operation support device 300 is
When the vehicle 10 moves from the “sixth vehicle position” to the “eighth vehicle position”, from the “eighth vehicle position” to the “ninth vehicle position”, and from the “ninth vehicle position” to the “tenth vehicle position” However, the same operation as described above is performed. In that case, the vehicle management device 1
The result of the operation (vehicle information 6 as shown in FIG.
0) is generated, and the vehicle traffic state reconstruction device 4 displays the traffic state on the display device 5 as a result of the operation.

[0200] In the ETC system operation support device 300, the vehicle traffic reconfiguration device 4 has the vehicle management number 61.
The method for displaying the vehicle information 60 indicating “0010” on the display device 5 has been described above (visualized screen 77).
However, the animation display that simulates the actual movement of the vehicle 10 along the elapsed time (first time, second time, ...) Or the vertical axis is time (first time, second time, ...). ,
An example is a graph display showing the position of the vehicle 10 when the horizontal axis is the geometrical arrangement of the vehicle detectors 21, 22, 24.

Further, the ETC system operation support device 300
In the vehicle traffic state reconfiguring device 4, the vehicle traffic state reconfiguring device 4 is based on the vehicle information 60 from the vehicle management device 1 and is in a passing state (passing state /
The traffic condition is not limited to being displayed on the display device 5 in real time. The output unit 17 of the vehicle management device 1 displays the vehicle information storage device 3 in a necessary time zone (predetermined time).
The vehicle information 60 stored in the vehicle is read out and output to the vehicle traffic state reconstruction device 4, and the vehicle traffic state reconstruction device 4 is read.
On the basis of the vehicle information 60 read from the vehicle management device 1, visualizes the past passing state (passing state / passing state) of the vehicle (vehicle 10 and other vehicles) and displays it as a passing history. It is also possible.

According to the above description, the ETC system operation support device 300 is (i) the entrance / exit fee collection system, (i)
i) In the uniform toll collection system, the passing states of the vehicle 10 and the vehicle 10 'traveling on the toll road 70 can be visualized and displayed based on the vehicle information 60.

Also, the ETC system operation support device 300
Is based on the vehicle information 60 in the (i) entrance / exit toll collection system and (ii) uniform toll collection system.
By visualizing and displaying the passing states of the vehicle 10 and the vehicle 10 ′ traveling at 0, an employee working at the tollgate belonging to the ETC system operation support device 300 can easily grasp the abnormality of the ETC system. it can. Further, the abnormality of the ETC system may occur due to a traffic accident in which the vehicle 10 and the vehicle 10 'collide, in addition to a failure or a false detection of the vehicle detector (vehicle detector 22). Can take necessary measures in case of abnormality of ETC system.

(Fourth Embodiment) FIG. 19 shows a fourth embodiment.
3 is a block diagram showing the configuration of an ETC system operation support device 400 according to FIG. As shown in FIG. 19, the ETC system operation support device 400 includes the generation unit 16 of the vehicle management device 1 described in the ETC system operation support device 300.
In addition, the abnormality determination unit 19 is further provided, and the abnormal state determination table 95 is further provided in the database 18 of the vehicle management device 1 described in the ETC system operation support device 300. E
In the TC system operation support device 400, the same components as those of the ETC system operation support devices 100, 200 and 300 are designated by the same reference numerals and the description thereof will be omitted.

The abnormal state determination table 95 has the position information 6
3 and the abnormality type information 67 indicating the type of abnormality of the passing state of the vehicle (vehicle (vehicle 10, vehicle 10 ′) similarly to the ETC system operation support device 100).

The input device 2 is the vehicle detectors 21, 22, 24.
Generated when the state information S1, S2, S4 of the same vehicle (vehicle 10, vehicle 10 ′) is newly input from the above and the collecting unit 12 newly collects the state information S1, S2, S4 from the input device 2. The part 16 is the vehicle information 6 indicating the vehicle management number 61.
In order to update 0, the database 20 of the vehicle information storage device 3 is accessed by the vehicle management number 61 stored in the number storage unit 15, and the vehicle information 60 stored in the database 20 is searched and read.

The generator 16 includes a vehicle management number 61, time information 62, position information 63, vehicle length information 64, and axle number information 65 with reference to the position determination table 35 and the vehicle length determination table 45. Vehicle information 60 for notifying the passing state of the vehicle (vehicle 10, vehicle 10 ') is generated (updated). Further, the generation unit 16 refers to the abnormal state determination table 95 to generate the vehicle information 60 that further includes the abnormality type information 67 when the passing state of the vehicle (the vehicle 10 or the vehicle 10 ′) is abnormal ( Update.

At this time, the position determination unit 13 of the generation unit 16
Is the state information S1, S collected by the collection unit 12.
In 2 and S4, the position of the vehicle (vehicle 10, vehicle 10 ') indicated by the position information 63 is determined with reference to the position determination table 35. In addition, the vehicle length determination unit 14 of the generation unit 16 uses the position information 6 indicating the position determined by the position determination unit 13.
3, the length of the vehicle (vehicle 10, vehicle 10 ') indicated by the vehicle length information 64 is determined by referring to the vehicle length determination table 45.

The abnormality judging section 19 of the generating section 16 refers to the abnormal state judging table 95, and as a result of the judgment by the position judging section 13 and the vehicle length judging section 14, the vehicle (vehicle 10, vehicle 1
In order to check whether or not the passing state of 0 ') is abnormal, the vehicle indicated by the abnormality type information 67 (vehicle 10, vehicle 1)
The type of abnormality in the passing state of 0 ') is determined.

FIG. 20 is a diagram showing the contents of the abnormal state judgment table 95. This abnormal state determination table 95 is
The abnormality determination unit 19 is used as a material for determining the type of abnormality of the passing state of the vehicle indicated by the abnormality type information 67 by referring to the abnormal state determination table 95, and the generation unit 16 uses the vehicle information 6
Used as a material to generate (update) 0. As shown in FIG. 20, the abnormal state determination table 95 has a position information registration column 96 in which the above-mentioned position information 63 is registered in advance.
₁ includes a 96 _10, and an abnormality type information registration field ₉₇ 1-97 ₄ abnormality type information 67 described above are registered in advance.

Position information registration columns 96 ₁ , 96 ₂ , 96 ₃ ,
96 ₄ , 96 ₅ , 96 ₆ , 96 ₇ , 96 ₈ , 96 ₉ , 9
6 _10, the above-mentioned "first vehicle position" as position information 63, "the second vehicle position", "third vehicle position", "the fourth vehicle position", "fifth vehicle position", "the sixth vehicle Position "," 7th vehicle position "," 8th vehicle position "," 9th vehicle position ",
“Tenth vehicle position” is registered in advance. In the abnormality type information registration column 97 ₁ , the “first abnormality type (vehicle management deviation)” similar to that of the second embodiment is registered in advance as the abnormality type information 67. Abnormal type information registration field 97 ₂ abnormality as the type information 67, a similar "second kind of abnormality (number of axes abnormality)" in the second embodiment is registered in advance. The anomaly type information registration field 97 _3, anomaly type information 67
As described above, the same “third abnormality type (vehicle length abnormality)” as in the second embodiment is registered in advance. Abnormal type information registration column 9
7 _4, the same "fourth abnormality types (vehicle management shift)" in the second embodiment is registered in advance.

The columns for associating the abnormality type information registration column 97 ₁ with the position information registration columns 96 ₅ , 96 ₆ , 96 ₈ are:
"Distance L1 (4 meters)", "Distance (L1 + L10
(14 meters)), "distance L10" toll road 70
Vehicle (generally 2.5 meters or more vehicle 10, vehicle 1
0 ', other vehicles) indicating that there are more than a specified number of vehicles, "2 or more exist between S1 and S2", "8 or more exist between S1 and S4", and 6 between S2 and S4. "Existence" is registered in advance.

[0213] The anomaly type information registration field 97 _2, in the column for associating the location information registration section 96 _5, with a number of axes or 3 axes toll road 70 between the vehicle detector 21 and the vehicle detector 22 "3 or more axes" indicating that a vehicle (vehicle 10, vehicle 10 ') exists is registered in advance.

The column that associates the abnormality type information registration column 97 ₃ with the position information registration columns 96 ₅ , 96 ₆ , and 96 ₈ indicates the vehicle length “vehicle length” indicated by the vehicle length information 64 registered in the vehicle length determination table 40. “Longer than L1” indicating that the vehicle length determined by the vehicle length determination unit 14 is longer than “distance L1”, “distance (L1 + L10)”, and “distance L10”, “(L1 + L1
0) longer ”and“ longer than L10 ”are registered in advance.

[0215] anomaly type information and registration field 97 _4, position information in the registration field associates the ₉₆ 2-96 ₉ column, the same vehicle (the vehicle 10 in the "second vehicle position" - "Ninth vehicle position" described above, “Stay for a set time or longer” indicating that the vehicle 10 ′) has stayed for a set time or longer is registered in advance.

The operation of the ETC system operation support device 400 will be described with reference to FIGS. 13 to 15, FIG. 18, FIG. 20 and FIG. Here, the ETC system operation support device 3
The operation of the ETC system included in 00 is omitted as in the third embodiment (described in the first embodiment), and the vehicle management device 1, the input device 2, the vehicle information storage device 3, and the vehicle traffic state reconfiguration device 4 are included. , Display device 5, vehicle detectors 21, 2
2, 23 and 24 will be described. In the ETC system operation support device 400, like the ETC system operation support device 300, the vehicle 10 is an ordinary vehicle and is equipped with an in-vehicle device. In this case, the vehicle-mounted device ID for identifying the vehicle-mounted device is set to "0010". In addition, “first vehicle position”, “second vehicle position”, “fifth vehicle position”,
It is assumed that the vehicle moves in the order of "6th vehicle position", "8th vehicle position", "9th vehicle position", and "10th vehicle position".

In the description of the operation of the ETC system operation support device 400, only the changes of the ETC system operation support device 300 will be described. Here, from "second vehicle position" to "sixth
When the vehicle 10 moves to the "vehicle position", a failure or erroneous detection (detection omission) of the vehicle detector 22 as shown in FIG.
A case will be described in which an abnormality in the passing state of the vehicle (vehicle 10, vehicle 10 ') has occurred.

In this case, the vehicle 10 '(small vehicle) has the "fifth vehicle position" before the first time, the "sixth vehicle position" at the first time, the "eighth vehicle position" at the second time ,. When the vehicle detector 22 is moved in order, the vehicle detector 22 may detect the “sixth vehicle position” of the vehicle 10 ′ traveling on the toll road 70 at the first time indicated by the time information 62 due to a failure or a false detection (missing detection).
And the "eighth vehicle position" of the vehicle 10 'traveling on the toll road 70 at the second time indicated by the time information 62 cannot be detected. Therefore, the vehicle management device 1 determines that the vehicle 10 ′ remains at the “fifth vehicle position” even after the second time has elapsed, and the second time and the “fifth vehicle position” indicated by the time information 62 are indicated. Vehicle management number 61 "0009" that is associated with
Is generated (updated).

When the vehicle 10 moves from the "second vehicle position" to the "fifth vehicle position", the optical sensor 21a of the vehicle detector 21 indicates that the vehicle 10 has passed as shown in FIG. The exit of the vehicle 10 is detected. Also, the tread 2
1c is stepped on by the front wheels of the vehicle 10, and the vehicle detector 21
Since the pressure sensor 21b of 1 operates in the order of the pressure sensor 21b ′ and the pressure sensor 21b ″, the vehicle detector 21
The forward movement of the vehicle 10 is detected as the passing state of the vehicle 10. The vehicle detector 21 is in a passing state of the vehicle 10 (exit).
The state information S1 including the time information 62 indicating the second time when the vehicle 10 is detected, the exit information indicating the exit (OFF) of the vehicle 10, and the advance information indicating the advance of the vehicle 10 is output to the input device 2.

The collection unit 12 of the vehicle management device 1 collects the state information S1 from the input device 2 and changes the state by the vehicle detector 21 (exit information "OF included in the state information S1.
F ", forward movement information). The position determination unit 13 of the generation unit 16 of the vehicle management device 1 refers to the position determination table 35 and exit information" OFF "included in the state information S1 and forward movement information (state). The position of the vehicle (position information 63) is listed by the information registration field 37 ₃ ), and the listed position information 63 is the “second vehicle position” (position information registration field 3).
6 ₂ ), “third vehicle position” (position information registration field 36 ₃ ),
Recognize that it is the “fourth vehicle position” (positional information registration column 36 ₄ ).

The position determining unit 13 determines the "second vehicle position" (positional information registration field 36 ₂ ), the "third vehicle position" (positional information registration field 36 ₃ ), the "fourth vehicle position" (positional information registration field). 36
₄ ) The database 20 of the vehicle information storage device 3 is searched for whether or not the vehicle exists at the position indicated by ₄ ). Here, as the position information 63, “second vehicle position” (position information registration field 36
_It is assumed that the vehicle exists only at the position indicated by ₂ ). Position determining unit 13 refers to the position determination table 35, since the position information registration section 36 associated with the ₂ "5 1 ⁽⁵ vehicle position)" is the highest vehicle priority as position information 63 , It is recognized that the vehicle detector 21 has detected the state information S1 (exit information “OFF”, forward information) due to the movement of the vehicle 10 existing in the “second vehicle position” (position information registration field 36 ₂ ) (determination). To do.

The generation unit 16 stores the vehicle management number 61 "0010" of the vehicle 10 stored in the number storage unit 15 and the number storage unit 15 in the number storage unit 15, and the control device 6 starts from the vehicle 10 'before the first time. The database 20 of the vehicle information storage device 3 is accessed based on the acquired vehicle management number 61 “0009”, and the vehicle management number 61 stored in the database 20 is accessed.
Vehicle information 60 indicating "0009" and vehicle management number 61
The vehicle information 60 indicating “0010” is searched and read. As shown in FIG. 15, the vehicle length determination unit 14 of the generation unit 16 refers to the vehicle length determination table 45 and refers to the position information 6
3 "5th vehicle position", vehicle management number 61 "001
It is recognized (determined) that the length of the vehicle 10 registered as the vehicle length information 64 in the vehicle information 60 indicating 0 ″ is not changed.
The generation unit 16 does not change “distance (L1−α)” as the vehicle length information 64 included in the vehicle information 60.

In the vehicle information 60 showing the vehicle management number 61 "0009" and the vehicle information 60 showing the vehicle management number 61 "0010", as shown in FIG.
The abnormality determination unit 19 of No. 6 refers to the abnormal state determination table 95, and based on the results (“fifth vehicle position”) that the position determination unit 13 and the vehicle length determination unit 14 perform determination, the position information 63 is “ It is recognized (determined) that the vehicle position is “5 vehicle position” (position information registration field 96 ₅ ). Abnormality determining unit 19 refers to the abnormal state determination table 95, the "presence two or more" associated with the location information registration section 96 _5, in the second time indicated by the time information 62, and the vehicle (vehicle 10 The "first abnormality type (vehicle management deviation)" indicated by the abnormality type information 67 is recognized (determined) as an abnormality in the passing state of the vehicle 10 '(two or more vehicles exist).

As shown in FIG. 21, the generation unit 16 is
Instead of the axis number information 65 “1”, the axis number information 65 “2” is registered in the axis number information registration field 85 of the vehicle information 60 indicating the vehicle management number 61 “0010”, and the time information registration field 82 ₂ , location information registration section 83 _2, time information 62 indicating the second time,
Position information 63 registered "fifth vehicle position", the time information registration section 82 _3, the position information registration column 83 _3, corresponding to the second time, the state of passage of the vehicle (vehicle 10, 10 ') abnormalities Time information 62 indicating the occurrence of the a-th time, abnormality type information 67
By registering the "first abnormality type (vehicle management deviation)", the vehicle information 60 indicating the vehicle management number 61 "0010"
Is generated (updated). At this time, the generation unit 16 determines the number of axes of the vehicle 10 corresponding to the number of times “2” when the state information S1 is collected by the collection unit 12 based on the forward movement information included in the state information S1. 65 “2” is generated and registered in the axis number information registration field 85. The output unit 17 uses the vehicle management number 61 “0” generated (updated) by the generation unit 16.
The vehicle information 60 indicating 010 ″ is stored in the vehicle information storage device 3 and output to the vehicle traffic state reconstruction device 4.

The vehicle traffic state reconstruction device 4 is a vehicle which travels on the toll road 70 at the second time indicated by the time information 62 based on the vehicle information 60 indicating the vehicle management number 61 "0010" from the vehicle management device 1. Passing state of 10 (passing state)
As a result, the “third vehicle position” is visualized, and the visualized screen 78 as shown in FIG. 18 is displayed on the display device 5.
At this time, the vehicle traffic state reconstruction device 4 uses the abnormality type information 67 “first abnormality type (vehicle management deviation)” included in the vehicle information 60 indicating the vehicle management number 61 “0010” to detect the vehicle (vehicle 10, 10 ') ET the abnormal state of passing
The employee working at the toll booth belonging to the C system operation support device 400 is notified. Examples of the notification of abnormality include light emission of a screen 78 showing a warning sound, a message, and an alarm.

In the case of a message, the vehicle traffic state reconstruction device 4 determines whether the vehicle (vehicles 10 and 10 ') is in a passing state based on the abnormality type information 67 "first abnormality type (vehicle management deviation)". Notify the employee by message. As the content of the message, when the abnormality type information 67 is “first abnormality type (vehicle management deviation)”, “Vehicle management deviation” is illustrated, and the abnormality type information 67 is “second abnormality type (axis number deviation)”. In the case of "," there are vehicles with three or more axes within 4 meters. "If the abnormality type information 67 is" 3rd abnormality type (vehicle length abnormality) "," the vehicle length is abnormal. " When the abnormality type information 67 is “fourth abnormality type (vehicle management deviation)”, “There is a vehicle that has stayed for 30 minutes or more” is exemplified.

When the screen 78 indicating the warning is emitted, the vehicle traffic state reconstruction device 4 determines the vehicle (vehicle 10, 1) based on the abnormality type information 67 "first abnormality type (vehicle management deviation)".
The abnormality of the passing state of 0 ') is notified to the employee by the light emission of the screen 78. The light emitted from the screen 78 is the screen 7
Illumination of an image corresponding to the vehicle (vehicle 10, vehicle 10 ') displayed on the display 8 and emission of an image corresponding to the vehicle detector 22 displayed on the screen 78 are illustrated.

As described above, the ETC system operation support device 400 has the abnormality type information 67 included in the vehicle information 60.
A tollgate belonging to the ETC system operation support device 400 by notifying an abnormality in the passing state of the vehicle (vehicles 10 and 10 ') (abnormality of the ETC system) based on the "first abnormality type (vehicle management deviation)". The employee working at can determine which part of the ETC system (the vehicle detector 22 in this case) is abnormal more easily than the ETC system operation support device 300.

[0229] The ETC system operation support device 400
From "fifth vehicle position" to "sixth vehicle position", from "sixth vehicle position" to "eighth vehicle position", from "eighth vehicle position" to "9th vehicle position", to "9th vehicle position" Even when the vehicle 10 moves from "to the tenth vehicle position", the same operation as described above is performed. In that case, the vehicle management device 1 generates a result of the operation (vehicle information 60 as shown in FIG. 21), and the vehicle traffic state reconstruction device 4 displays the traffic state on the display device 5 as a result of the operation. indicate.

According to the above description, the ETC system operation support device 400 is (i) an entrance / exit fee collection system, (i)
i) In the flat-rate toll collection system, in addition to the effect of the ETC system operation support device 300, the ETC system operation support device 300 visualizes the passing state of the vehicle 10 and the vehicle 10 'traveling on the toll road 70 based on the vehicle information 60, thereby An employee working at a toll booth belonging to the ETC system operation support device 400 can be notified of a system abnormality. The employee is
In the event of a TC system malfunction, the necessary measures can be taken immediately.

[0231]

The ETC system operation support apparatus of the present invention can easily grasp the abnormality of the ETC system.

[0232] The ETC system operation support device of the present invention is
The passing state of the vehicle detected by the vehicle detector can be visualized.

The ETC system operation support device of the present invention is
By visualizing the passing state of the vehicle detected by the vehicle detector, the abnormality of the ETC system can be notified.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an ETC system operation support device according to a first embodiment.

FIG. 2 is a block diagram showing a configuration provided on the toll road side.

FIG. 3 is a diagram showing state transition of a position determination table.

FIG. 4 is a diagram showing a state transition of a vehicle length determination table.

FIG. 5 is a diagram showing a format of vehicle information.

FIG. 6 is a diagram showing contents included in vehicle information.

FIG. 7 is a diagram showing a screen displayed on a display device.

FIG. 8 is a diagram showing a screen displayed on a display device.

FIG. 9 is a block diagram showing a configuration of an ETC system operation support device according to the second embodiment.

FIG. 10 is a diagram showing the contents of an abnormal state determination table.

FIG. 11 is a diagram showing contents included in vehicle information.

FIG. 12 is a block diagram showing a configuration of an ETC system operation support device according to the third embodiment.

FIG. 13 is a block diagram showing a configuration provided on the toll road side.

FIG. 14 is a diagram showing state transition of a position determination table.

FIG. 15 is a diagram showing a state transition of a vehicle length determination table.

FIG. 16 is a diagram showing contents included in vehicle information.

FIG. 17 is a diagram showing a screen displayed on the display device.

FIG. 18 is a diagram showing a screen displayed on the display device.

FIG. 19 is a block diagram showing a configuration of an ETC system operation support device according to the fourth embodiment.

FIG. 20 is a diagram showing the contents of an abnormal state determination table.

FIG. 21 is a diagram showing contents included in vehicle information.

[Explanation of symbols]

1 vehicle management device 2 input device 3 vehicle information storage device 4 vehicle traffic state reconstruction device 5 display device 6 control device 7 input / output device 8 roadside display 9a, 9b antenna 9A, 9B area 10, 10 'vehicle 11 computer program 12 Collection unit 13 Position determination unit 14 Vehicle length determination unit 15 Number storage unit 16 Generation unit 17 Output unit 18 Database 19 Abnormality determination unit 20 Databases 21, 22, 23, 24 Vehicle detectors 21a, 22a, 23a, 24a Optical sensor 21b , 21b ', 21b''Pressure sensor 21c Footsteps 21A, 22A, 23A, 24A Region 25 Start controller 30 Position determination table 31 _{1 to} 31 ₁₅ Position information registration column 32 _{1 to} 32 ₁₀ State information registration column 35 Position determination table 36 _{1-36 10} location information registration section ₃₇ 1-37 ₈ status information registration section 40 vehicle length determination Te Table 41 _{1 to} 41 ₁₅ position information registration column 42 _{1 to} 42 ₁₅ vehicle length information registration column 45 vehicle length determination table 46 _{1 to} 46 ₁₅ position information registration column 47 _{1 to} 47 ₁₅ vehicle length information registration column 50 database 51, 52 traffic Charge table 60 Vehicle information 61 Vehicle management number 62 Time information 63 Position information 64 Vehicle length information 65 Number of axes information 66 Toll fee information 67 Abnormal type information 70 Toll roads 71, 72 Toll road side 75, 76, 77, 78 Screen 81 Vehicle management number registration column ₈₂ 1 to 82 _n time information registration field ₈₃ 1 to 83 _n location information registration section 84 vehicle length information registration section 85 shaft speed information registration section 90 abnormal state determination table _{91 1-91 15} location information registration section 92 ₁ ~ 92 ₄ Abnormal type information registration column 95 Abnormal state determination table 96 ₁ ~ 96 ₁₀ Position information registration column 97 ₁ ~ 97 ₄ Abnormal type information Registration column 100, 200, 300, 400 ETC system operation support device L, L0, L1, L2, L3, L4, L5, L6, L
7, L8, L9, L10 Distance L21, L22, L23, L24 Effective output width M Toll road width S1, S2, S3, S4 State information

Claims (13)

[Claims] 1. A plurality of vehicle detectors, which are discretely provided on a road side, detect a passing state of a vehicle traveling on the road, and output state information indicating the passing state, the state information, and the A vehicle management device that has a position determination table that associates with position information that indicates the position of the vehicle, indicates the vehicle that is traveling on the road by referring to the position determination table, and generates vehicle information that includes the position information; An ETC system operation support device comprising: a display device; and a vehicle traffic state reconstruction device that visualizes the passing state based on the vehicle information and displays the state on the display device. 2. The ETC system operation support device according to claim 1, wherein the state information includes time information indicating a time when the plurality of vehicle detectors detect the passing state, and the vehicle management The device is an ETC system operation support device that generates the vehicle information that associates the time information with the position information. 3. The ETC system operation support device according to claim 1, wherein the vehicle management device further includes a vehicle length determination table that associates the position information with vehicle length information indicating a length of the vehicle. An ETC system operation support device for generating the vehicle information further including the vehicle length information with reference to the position determination table and the vehicle length determination table. 4. E according to any one of claims 1 to 3.
In the TC system operation support device, a first vehicle detector of the plurality of vehicle detectors is further provided on the road, and the vehicle management device is based on the state information from the first vehicle detector. The number of axes information indicating the number of axes of the vehicle is generated, and the vehicle information further including the number of axes information is generated E
TC system operation support device. 5. The E according to any one of claims 1 to 4.
The TC system operation support device further comprises a vehicle information storage device for storing the vehicle information. 6. The E according to any one of claims 2 to 5.
In the TC system operation support device, the vehicle traffic state reconstruction device visualizes the passing state of the vehicle traveling on the road at the time indicated by the time information, based on the vehicle information, and displays the display device. ETC system operation support device displayed on. 7. The ETC system operation support device according to claim 5, wherein the vehicle management device reads out the vehicle information stored in the vehicle information storage device, and the vehicle traffic state reconstruction device comprises the vehicle An ETC system operation support device that visualizes the passing state based on the vehicle information read by a management device and displays the visualized state on the display device. 8. The E according to any one of claims 2 to 7.
In the TC system operation support device, the vehicle management device further includes an abnormal state determination table that associates the position information with abnormality type information indicating the type of abnormality of the passing state, and refers to the abnormal state determination table. And an ETC system operation support device that generates the vehicle information further including the abnormality type information when the passing state is abnormal. 9. The ETC system operation support device according to claim 8, wherein the vehicle management device associates the time information with the abnormality type information when the passing state is abnormal at the time. An ETC system operation support device that generates vehicle information. 10. The ETC system operation support device according to claim 8 or 9, wherein the vehicle traffic state reconfiguring device notifies an abnormality of the passing state based on the abnormality type information included in the vehicle information. ETC system operation support device. 11. The ETC system operation support device according to claim 8, wherein the abnormality in the passing state is a failure of at least one vehicle detector among the plurality of vehicle detectors. Or an ETC system operation support device generated by false detection. 12. The ETC system operation support device according to claim 1, wherein the plurality of vehicle detectors are included in an ETC system, and the ETC system is an entrance / exit charge collection system. Yes, the ETC system operation support device is an ETC system operation support device used for the entrance / exit fee collection system. 13. The ETC system operation support device according to claim 1, wherein the plurality of vehicle detectors are included in an ETC system, and the ETC system is a flat fee collection system. The ETC system operation support device is an ETC system operation support device used for the uniform fee collection method.