JP2012037939A - Dishonest vehicle monitoring system, dishonest vehicle monitoring method and program for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a dishonest vehicle monitoring system capable of detecting a dishonest vehicle falling under dishonest toll collection.SOLUTION: A dishonest vehicle monitoring system according to an embodiment comprises: a communication unit, an information acquisition unit, a position detection unit, a determination unit and a recording unit. The communication unit communicates over a radio with an on-board unit mounted on a vehicle. The information acquisition unit acquires on-board unit information transmitted from the on-board unit by the communication unit. The position detection unit detects a position of the on-board unit based on a radio wave from the on-board unit. If the on-board unit exists within a predetermined range based on the position of on-board unit detected by the position detection unit, the determination unit determines whether or not the on-board unit exists in a plural manner. When the determination unit determines that the on-board unit exists in a plural manner within the predetermined range, the recording unit executes recording relating to the on-board unit information associated with each of the on-board units.

Description

  Embodiments described herein relate generally to an unauthorized vehicle monitoring system that detects an unauthorized vehicle using wireless communication with an in-vehicle device.

  In recent years, on toll roads such as expressways, a system that automatically collects road usage charges using wireless communication with on-board equipment mounted on vehicles such as passenger cars and trucks has been used. A lot is happening.

  In such a system, there is a system using a vehicle-mounted device that has a wireless communication function and can be arbitrarily removed by a user in a cigar socket or the like, and an electronic money card, for example, as a charge settlement IC card. In this method, the user pays the maximum fee with an electronic money card at the entrance gate of the toll road. In the entrance gate, the entrance information including the ID information of the on-vehicle device and the entrance gate number is transmitted to the upper central system through wireless communication between the entrance antenna and the on-vehicle device. Furthermore, also at the exit gate, exit information including the ID information of the on-vehicle device and the exit gate number is transmitted to the central system by wireless communication between the exit antenna and the on-vehicle device.

  In the central system, the user's toll is determined by calculating based on the entrance information and exit information. If the maximum fee paid at the entrance gate is not reached, the difference is refunded to the user's electronic money card.

JP 2000-36094 A

  In the system that automatically collects tolls on the toll road as described above, the vehicle-mounted device can be easily detached from the vehicle. For this reason, after a plurality of vehicles enter the same entrance gate, the vehicle-mounted device mounted on each vehicle is transferred from the plurality of vehicles to one vehicle, and then the closest exit for only the vehicle on which all the vehicle-mounted devices are mounted There is a possibility that illegal toll collection may be performed such that a vehicle leaving the gate and not equipped with other vehicle-mounted devices travels a long distance and exits from the exit gate.

  Therefore, in a system that automatically collects tolls on toll roads, it is required to realize an unauthorized vehicle monitoring system that can detect unauthorized vehicles that collect unauthorized charges.

  According to the present embodiment, the unauthorized vehicle monitoring system includes a communication unit, an information acquisition unit, a position detection unit, a determination unit, and a recording unit. The communication means performs wireless communication with the vehicle-mounted device mounted on the vehicle. An information acquisition means acquires the onboard equipment information transmitted from the said onboard equipment by the said communication means. A position detection means detects the position of the said onboard equipment based on the electromagnetic wave from the said onboard equipment. The determination unit determines whether or not there are a plurality of the vehicle-mounted devices when the vehicle-mounted device exists within a predetermined range based on the position of the vehicle-mounted device detected by the position detection unit. A recording means performs the recording regarding the said onboard equipment information relevant to each said onboard equipment, when the said onboard equipment exists in multiple in the said predetermined range by the said determination means.

The block diagram for demonstrating the structure of the system regarding embodiment. The figure for demonstrating the table information regarding embodiment. The flowchart for demonstrating operation | movement of the roadside apparatus regarding embodiment. The figure for demonstrating the content of the unauthorized vehicle regarding embodiment. The flowchart for demonstrating operation | movement of the vehicle monitoring system regarding embodiment.

  Embodiments will be described below with reference to the drawings.

[System configuration]
FIG. 1 is a block diagram for explaining the overall configuration of the system of this embodiment.

  As shown in FIG. 1, the entire system includes an antenna 10, a camera 11, a roadside device 12, a central system 13, a vehicle monitoring system 14, a database 15, and a gate device 16.

  This system is applied to toll roads such as expressways. The antenna 10, the camera 11, and the roadside device 12 are each disposed at the exit gate of the toll road for convenience. The antenna 10 is a communication unit for performing wireless communication with the vehicle-mounted device 100 mounted on the vehicle 1, and receives a radio wave transmitted from the vehicle-mounted device 100. The antenna 10 is, for example, an array antenna in which a plurality of antenna elements are arranged in a plane, and can measure the transmission direction of the received radio wave from the phase difference between the individual antenna element outputs.

  The camera 11 captures the vehicle 1 approaching the exit gate and transmits a captured image (camera image) to the roadside device 12. The roadside device 12 is connected to the antenna 10 and the camera 11 and includes a computer that executes position detection, information transmission, and radio wave emission source visualization processing of the vehicle-mounted device 100, as will be described later. The roadside device 12 corresponds to an information acquisition unit and a position detection unit that perform wireless communication with the vehicle-mounted device 10 through the antenna 10 by a narrow-range wireless communication method called DSRC (dedicated short range communication).

  The gate device 16 includes a roadside device and is disposed at an entrance gate (not shown). For example, an entrance including payment processing information using an electronic money card, ID information of an on-vehicle device through wireless communication with the on-vehicle device 100, an entrance gate number, and the like. Information is transmitted to the central system 13. In the present embodiment, for the sake of convenience, the exit gate is a so-called free flow (FF) exit gate that allows the attendant to pass freely without being resident.

  The central system 13 is a toll collection system that automatically processes toll collection on toll roads, and is constituted by a computer system. The vehicle monitoring system 14 of the present embodiment is incorporated in the central system 13 and corresponds to a determination unit and a monitoring information generation unit that execute an unauthorized vehicle monitoring process including detection and notification of an unauthorized vehicle described later. The database 15 stores information processed by the central system 13 and table information (see FIG. 2) created by the vehicle monitoring system 14.

[System Operation]
Hereinafter, the operation of the system of the present embodiment will be described with reference to FIGS.

  First, the system of this embodiment is a system that uses an in-vehicle device 100 that can be arbitrarily removed from a cigar socket of the vehicle 1 and an electronic money card, for example, as a charge settlement IC card. The vehicle-mounted device 100 incorporates a DSRC wireless communication device, and when entering a toll road, an antenna for an entrance disposed at an input gate, and when coming from a toll road, an antenna 10 disposed at an exit gate (exit Wireless communication with the antenna. The on-vehicle device 100 transmits, for example, WCN (wireless call number) information (unique number assigned to the on-vehicle device) as the on-vehicle device ID information (in-vehicle device identification information).

  The roadside apparatus 12 of this embodiment acquires the onboard equipment information including the WCN information from the onboard equipment 100 received by the antenna 10. In-vehicle device information includes, for example, basic vehicle information (information such as vehicle type, type, fuel type, etc.) in addition to WCN information. The roadside device 12 acquires an image (camera image) of the vehicle 1 captured by the camera 11.

  As shown in the flowchart of FIG. 3, the roadside device 12 measures the source of the radio wave, that is, the position (coordinates) and the radio wave intensity of the radio wave, based on the radio wave from the vehicle-mounted device 100 received by the antenna 10. (Step S1). That is, the roadside device 12 creates position (coordinate) information of the vehicle-mounted device 100 based on the preset position of the antenna 10, the direction of the radio wave from the vehicle-mounted device, and the radio wave intensity.

  Specifically, the roadside device 12 measures the transmission direction of the received radio wave based on the phase difference between the antenna element outputs of the antenna 10. The roadside device 12 calculates the distance from the vehicle-mounted device 100 that is a radio wave transmission source based on the position of the antenna 10 and the radio wave intensity from the vehicle-mounted device. Thereby, as described later, the roadside device 12 has a plurality of vehicle-mounted devices 100 in the vehicle monitoring system 14 within the same vehicle range (range set by the width and length of the vehicle). The position (coordinates) information of the vehicle-mounted device 100 for determining whether or not is created.

  The roadside device 12 transmits the position (coordinate) information and the radio wave intensity information of the vehicle-mounted device 100 to the monitoring system 14. As will be described later, the vehicle monitoring system 14 uses the information transmitted from the roadside device 12 to execute unauthorized vehicle monitoring processing including detection of unauthorized vehicles and creation of monitoring information (table information) (FIG. 2 and FIG. 2). (See FIG. 5).

  Furthermore, the roadside apparatus 12 acquires the image of the vehicle 1 photographed by the camera 11, and generates information obtained by superimposing the image, the position information of the vehicle-mounted device 100, and the radio wave intensity information (step S2). The vehicle monitoring system 14 performs radio wave emission source visualization processing using the superimposed information (see other embodiments described later).

  Next, operations of the roadside device 12 and the vehicle monitoring system 14 will be described with reference to FIGS. 2 and 5.

  First, as shown in FIG. 1, when the vehicle 1 arrives at the exit gate of the toll road, the roadside device 12 performs wireless communication with the vehicle-mounted device 100 mounted on the vehicle 1 via the antenna 10 (steps). S11). The roadside apparatus 12 acquires onboard equipment information including WCN information transmitted from the onboard equipment 100. At this time, the roadside device 12 acquires an image of the vehicle 1 taken by the camera 11. In the present embodiment, the exit gate is an FF gate through which the vehicle 1 can pass freely.

  The roadside device 12 measures the position (coordinates) and the radio wave intensity of the vehicle-mounted device 100 that is the transmission source of the radio wave based on the radio wave from the vehicle-mounted device 100 received by the antenna 10. The roadside device 12 creates position (coordinate) information of the vehicle-mounted device 100 based on the preset position of the antenna 10, the direction of the radio wave, and the radio wave intensity by the method described above (step S12).

  The roadside device 12 transmits vehicle information including WCN information of a single or a plurality of vehicle-mounted devices 100, position (coordinate) information, and radio wave intensity information to the vehicle monitoring system 14. The vehicle monitoring system 14 uses the position information and WCN information transmitted from the roadside device 12 to execute unauthorized vehicle monitoring processing including detection of unauthorized vehicles and creation of table information.

  The vehicle monitoring system 14 is based on a plurality of WCN information and position (coordinate) information, and the positions of the plurality of vehicle-mounted devices 100 are within the same vehicle range (a range set by the width and length of the vehicle). In this case, it is determined that the vehicle (actually one vehicle) corresponding to each WCN information is an unauthorized vehicle (YES in step S13). Conversely, if the position of one vehicle-mounted device corresponding to one WCN information is within the range of the same vehicle, the vehicle monitoring system 14 determines that the vehicle is not an unauthorized vehicle (in step S13). NO).

  When it is determined that the vehicle is an unauthorized vehicle, the vehicle monitoring system 14 notifies the central system 13 of each WCN information and unauthorized information (flag information) indicating that the vehicle is an unauthorized vehicle (step S14). On the other hand, if the vehicle monitoring system 14 is not an unauthorized vehicle, the vehicle monitoring system 14 notifies the central system 13 of the WCN information (step S15).

  The vehicle monitoring system 14 creates monitoring information (table information) 20 as shown in FIG. 2 based on the unauthorized vehicle detection result, and records it in the database 15 (steps S16 and S17). As shown in FIG. 2, the monitoring information 20 is table information including an exit number 21, WCN information 22, time 23, flag information 24, and fraud count information 25 transmitted from the roadside device 12.

  The exit number 21 is information for identifying the position of the exit gate of the toll road. The WCN information 22 is a unique number set in the vehicle-mounted device. Time 23 is a time when the roadside device 12 communicates with the vehicle-mounted device. The flag information 24 is information for identifying an unauthorized vehicle and is associated with the WCN information 22.

  Therefore, in the present embodiment, the flag information 24 is set in association with a plurality of WCN information 22 detected as an unauthorized vehicle. In other words, the flag information 24 is information indicating that a vehicle-mounted device (actually a plurality of vehicle-mounted devices) that transmits a plurality of WCN information is mounted. The fraud count information 25 is a count value of the number of times detected as a fraudulent vehicle.

  As described above, in the system of the present embodiment, an unauthorized vehicle that does not collect a regular usage fee using the DSRC wireless communication between the vehicle-mounted device 100 and the roadside device 12 at the exit gate of the toll road. And monitoring information 20 that can monitor the unauthorized vehicle can be created and registered in the database 15. Therefore, the central system 13 refers to the monitoring information 20 stored in the database 15, for example, identifies the vehicle whose count value of the fraud count information 25 indicates a predetermined number (such as 50 times) by the WCN information 22, It is possible to execute predetermined processing for fraud countermeasures such as predetermined warning processing. Thereby, suppression of the unauthorized vehicle on a toll road can be aimed at.

  In the present embodiment, the case where the unauthorized vehicle detection process is executed by the vehicle monitoring system 14 incorporated in the central system 13 has been described. However, the present invention is not limited to this, and the roadside device 12 may be configured. In this case, the vehicle monitoring system 14 acquires unauthorized information (flag information) associated with the WCN information from the roadside device 12, creates monitoring information (table information) 20, and records it in the database 15.

  Moreover, in this embodiment, the roadside apparatus 12 is based on the radio wave from the onboard equipment 100 received with the antenna 10, and based on the preset position of the antenna 10, the direction of radio waves, and the radio field intensity. In this configuration, 100 position (coordinate) information is created. Without being limited thereto, the roadside device 12 may be configured to acquire position information by wireless communication from the vehicle-mounted device 100. In this case, the vehicle-mounted device 100 is equipped with a position measuring device such as a GPS (global positioning system) and can transmit position information measured by the position measuring device by wireless communication.

  Hereinafter, specific application examples of the system of the present embodiment will be described with reference to FIGS.

  As shown in FIG. 4A, on a toll road such as an expressway, for example, three vehicles 40 to 42 pay the maximum fee with an electronic money card at the entrance toll gate and pass through the entrance gate. The vehicles 40 to 42 are equipped with vehicle-mounted devices 400, 410, and 420 that transmit each WCN information. Here, it is assumed that each of the vehicles 40 to 42 can easily attach and detach the vehicle-mounted devices 400, 410, and 420.

  Next, as shown in FIG. 4B, in the parking area of the toll road, for example, the vehicle-mounted devices 410 and 420 are removed from the vehicles 41 and 42, and all the vehicle-mounted devices 400, 410, 420 is mounted.

  As shown in FIG. 4C, one vehicle 40 equipped with all the vehicle-mounted devices 400, 410, and 420 gets off the toll road from the exit gate closest to the entrance gate. On the other hand, as shown in FIG. 4D, the other vehicles 41, 42 travel to the destination, and thus get off the toll road from the exit gate relatively long from the entrance gate.

  In such a situation, when the system of the present embodiment is not applied, as shown in FIG. 4C, one vehicle 40 is connected to all the on-board devices 400, 410, and 420 that are installed. Wireless communication is performed with the antenna 10 disposed at the exit gate. The vehicle 40 passes through the FF exit gate and gets off the toll road.

  The central system executes settlement of usage charges at a relatively short distance with respect to all the vehicle-mounted devices 400, 410, and 420 according to the position of the nearest exit gate through which the vehicle 40 has passed. That is, the central system performs a process of refunding the difference corresponding to the short distance to the electronic money card of each user of the vehicles 40 to 42 from the maximum fee paid at the entrance gate.

  In short, when the system of this embodiment is not applied, when the other vehicles 41 and 42 travel a long distance and exit from the FF exit gate, the central system calculates the difference according to the short distance travel. Refunds are made to the electronic money cards of the users 41 and 42. Therefore, both the vehicles 41 and 42 are illegally cheaply billed. That is, the users of the three vehicles 40 to 42 collide and illegal fee collection is performed.

  Therefore, when the system of the present embodiment is applied, as shown in FIG. 4C, one vehicle 40 equipped with all the vehicle-mounted devices 400, 410, 420 passes through the nearest exit gate. Sometimes, the roadside device 12 performs wireless communication with all of the vehicle-mounted devices 400, 410, and 420 via the antenna 10. As a result, the roadside device 12 transmits each WCN information and position (coordinate) information of each of the vehicle-mounted devices 400, 410, 420 to the unauthorized vehicle monitoring system 14.

  The vehicle monitoring system 14 is based on the WCN information and the position (coordinate) information, and the positions of the plurality of vehicle-mounted devices 400, 410, and 420 are within the same vehicle range (here, the range of one vehicle 40). Is detected. Therefore, the vehicle monitoring system 14 determines that the vehicle (actually one vehicle 40) corresponding to each WCN information is an unauthorized vehicle. The vehicle monitoring system 14 creates monitoring information (table information) 20 in which flag information indicating fraudulent use is set in association with each WCN information corresponding to the vehicle-mounted devices 400, 410, 420 and creates a database 15. Register with.

  As described above, when the system of the present embodiment is applied, the monitoring information 20 is detected by detecting the unauthorized persons vehicles 40 to 42 that perform unauthorized fee collection in the situation shown in FIGS. Can be recorded as By using this monitoring information 20, it is possible to suppress the occurrence of unauthorized toll collection on toll roads.

(Other embodiments)
As described above, the roadside device 12 generates, as information necessary for the radio wave emission source visualization process, information obtained by superimposing the position (coordinate) information, the radio wave intensity information, and the image of the vehicle 1 of the vehicle-mounted device 100, It transmits to the vehicle monitoring system 14.

  The vehicle monitoring system 14 uses the information transmitted from the roadside device 12 to execute the radio wave emission source visualization process. Specifically, the vehicle monitoring system 14 displays an image of the vehicle 1 at the exit gate on the display, and the position (coordinates) of the vehicle-mounted device 100 that is a radio wave source measured by the roadside device 12. The radio wave intensity measurement result is displayed in an overlapping manner. Thereby, the administrator of the central system 13 can visually confirm on the display that each on-vehicle device 100 is mounted on the same vehicle based on the radio wave intensity transmitted from the plurality of on-vehicle devices 100. It becomes possible. In other words, the administrator of the central system 13 can visually confirm a vehicle estimated to be an unauthorized vehicle on the display.

  By executing the radio wave emission source visualization process in the vehicle monitoring system 14 as described above, the administrator of the central system 13 confirms the vehicle 40 passing through the exit gate on the display as shown in FIG. can do. This vehicle 40 can also be confirmed visually as an unauthorized vehicle equipped with all the vehicle-mounted devices 400, 410, and 420.

  In the above-described embodiment, the position of the vehicle-mounted device is specified by the position of the antenna 10 and the intensity of the radio wave received by the antenna 10 that receives the radio wave related to the vehicle-mounted device information. However, the position of the vehicle-mounted device is specified. Therefore, the same effect can be obtained even if an antenna for receiving the radio wave related to the vehicle-mounted device information is provided separately from the antenna for measuring the intensity of the radio wave from the vehicle-mounted device.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 ... Vehicle, 10 ... Antenna, 11 ... Camera, 12 ... Roadside apparatus, 13 ... Central system,
14 ... Vehicle monitoring system, 15 ... Database, 16 ... Gate device,
40-42 ... vehicle, 100 ... on-vehicle device, 400, 410, 420 ... on-vehicle device.

Claims (11)

A communication means for performing wireless communication with the vehicle-mounted device mounted on the vehicle;
Information acquisition means for acquiring on-vehicle equipment information transmitted from the on-vehicle equipment by the communication means;
Position detecting means for detecting the position of the in-vehicle device based on radio waves from the in-vehicle device;
When the in-vehicle device is present within a predetermined range based on the position of the on-vehicle device detected by the position detection unit, a determination unit that determines whether there are a plurality of the on-vehicle devices,
Incorrect vehicle monitoring, comprising: a recording unit configured to perform recording related to the in-vehicle device information related to each on-vehicle device when the determination unit includes a plurality of the on-vehicle devices in the predetermined range. system.   The vehicle has a fraudulent vehicle detection means for detecting that a vehicle equipped with the vehicle-mounted device is a fraudulent vehicle when it is determined by the determination means that a plurality of the vehicle-mounted devices exist within the predetermined range. 2. The unauthorized vehicle monitoring system according to 1.   3. The unauthorized vehicle monitoring system according to claim 2, further comprising monitoring information generating means for generating and recording monitoring information including unauthorized vehicle information indicating the unauthorized vehicle detected by the unauthorized vehicle detecting means. The position detecting means includes
The position information is created by detecting the position of the vehicle-mounted device based on a position of an antenna included in the communication unit, a direction of a radio wave in the wireless communication, and a radio wave intensity. Rogue vehicle monitoring system. The unauthorized vehicle detection means includes
When the determination unit determines that the positions of the plurality of vehicle-mounted devices identified by the vehicle-mounted device information are within the predetermined range corresponding to the size of one vehicle, the vehicle is an unauthorized vehicle. The unauthorized vehicle monitoring system according to claim 2, wherein the unauthorized vehicle monitoring system is determined. The monitoring information generating means includes
The fraud information according to claim 3, wherein table information including flag information indicating an unauthorized vehicle as the unauthorized vehicle information, vehicle-mounted device identification information included in the vehicle-mounted device information, and fraud count information is generated as the monitoring information. Vehicle monitoring system. A camera for photographing a vehicle equipped with a vehicle-mounted device for wireless communication with the communication means;
Radio wave emission source visualization processing means for creating information that can be displayed on a display by superimposing an image acquired from the camera and information on radio wave intensity from the vehicle-mounted device related to the wireless communication. The unauthorized vehicle monitoring system according to claim 1.   2. The unauthorized vehicle monitoring system according to claim 1, further comprising: a unit that executes a predetermined process for dealing with the unauthorized vehicle using the monitored information generated by the monitored information generating unit. . A communication means for performing wireless communication with the vehicle-mounted device mounted on the vehicle;
Information acquisition means for acquiring on-vehicle equipment information transmitted from the on-vehicle equipment by the communication means;
Position detecting means for detecting the position of the in-vehicle device based on wireless communication from the in-vehicle device;
When the in-vehicle device is present within a predetermined range based on the position of the on-vehicle device detected by the position detection unit, a determination unit that determines whether there are a plurality of the on-vehicle devices,
Incorrect vehicle monitoring, comprising: a recording unit configured to perform recording related to the in-vehicle device information related to each on-vehicle device when the determination unit includes a plurality of the on-vehicle devices in the predetermined range. system. An unauthorized vehicle monitoring method applied to an unauthorized vehicle monitoring system for monitoring an unauthorized vehicle based on wireless communication performed with an in-vehicle device mounted on the vehicle,
A process of acquiring OBE information transmitted from the OBE by the wireless communication;
Processing for detecting the position of the on-vehicle device based on radio waves from the on-vehicle device;
When the vehicle-mounted device is present within a predetermined range based on the detected position of the vehicle-mounted device, a process for determining whether or not there are a plurality of the vehicle-mounted devices,
When there are a plurality of the vehicle-mounted devices in the predetermined range, an unauthorized vehicle monitoring method is provided that performs processing related to the vehicle-mounted device information related to each vehicle-mounted device. A program executed by a computer,
Means for acquiring in-vehicle device information transmitted from the in-vehicle device mounted on the vehicle by wireless communication;
Means for detecting the position of the in-vehicle device based on radio waves from the in-vehicle device;
When the in-vehicle device is present within a predetermined range based on the position of the in-vehicle device, means for determining whether or not there are a plurality of the in-vehicle devices;
When there are a plurality of on-vehicle devices in the predetermined range, the program causes the computer to operate as means for performing recording related to the on-vehicle device information related to each on-vehicle device.

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