JPH064797A - Avm system - Google Patents

Abstract

PURPOSE:To efficiently and surely grasp the traffic state in the AVM(Automatic Vehicle Monitoring) system serving the effective traveling of plural vehicles while centrally managing the position of a vehicle detected through a navigation system and the traveling state of the vehicle. CONSTITUTION:The AVM system is provided with a mobile station device 11 incorporated in plural vehicles to be the object of the traffic management of each area obtd. by dividing the radio zone to perform the individual vehicle traveling state monitoring and the position detection by a prescribed navigation system and radio-transmitting the dynamic state information including the position detected in the radio zone, the traffic state, and the dynamic state identification information of a certain vehicle to be the information source of them. It is also provided with a data base 13 receiving the dynamic state information which is radio-transmitted from the mobile station device 11 and collecting the dynamic state information of each area including the position shown by the information and a display control means 15 listing and displaying the collected dynamic state information according to the arrangement of each area in the radio zone based on the graphic display attribute associated with each item of the dynamic state information.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention centrally manages the position of a vehicle detected by using a navigation system such as Decca and the operation status of the vehicle to provide efficient operation of a plurality of vehicles. Related AVM system.

[0002]

2. Description of the Related Art In recent years, with the development of transportation networks, the sophistication and complexity of society, the demand for advanced operation of transportation has increased, and in the fields where taxis, freight transportation, and many other operations using vehicles are used, AVM (Automatic Vehicle Monitoring) that can detect the current position of a running vehicle in units of wireless zones or units of a predetermined area, and constantly grasp and manage the activity status of each vehicle in accordance with the current position
Many systems have been introduced.

FIG. 5 is a diagram showing a configuration example of a conventional AVM system. Note that this AVM system is applied to taxis operating in a predetermined business area for the sake of simplicity, but such a business area is located in a wireless zone formed by a base station device described later. It shall be.

In the figure, the mobile station devices 51 _{1 to} 51 _N mounted in each taxi are connected to a base station device 52 provided in an operation management center via one of two radio channels.

The mobile station devices 51 _{1 to} 51 _N have the above-mentioned 2
A radio unit 54 _M for accessing one radio channel via an antenna 53 _M , a deck unit 56 for receiving signals transmitted from a master station and a slave station of a decker navigator system via an antenna 55, a radio unit 54 _M and a decker receiving unit. Part 5
6 and a control unit 57 _M for controlling

In the base station device 52, the antenna 53 _B for accessing one of the above-mentioned two wireless channels has a call section 58 and an information processing section 59 via a wireless section 54 _B and a control section 57 _B. Connected to the first input / output of. The second input / output of the information processing unit 59 is the console 6
0 and the display terminal 61. Further, the antenna 62 for accessing the other radio channel of the above-mentioned two radio channels includes a reception unit 63 and a position determination unit 6
4 is connected to the third input / output of the information processing unit 59.

In the AVM system having such a configuration, the decker receiving unit 56 of the mobile station receives a predetermined signal from the master station and the slave station of the decker navigator system via the antenna 55, and based on the signal, the current station of the own station. Obtain information indicating a position in latitude and longitude. The control unit 57 _M detects, based on the information indicating the current position, the timing at which the own station has newly moved into any district (area) set as the business area shown in FIG. At a timing determined under the control of the control unit 57 _M , as shown in FIG. 7, the vehicle number for identifying the own station and the vehicle number for identifying the own station in the location information indicating the destination area or the current location are displayed. Transmission information to which the dynamic information 1 to the dynamic information 3 indicating the operation status is added is generated, and the transmission information is transmitted to the base station 52 via the wireless unit 54 _M and the antenna 53 _M. Here, the operation status is, for a vehicle provided with a mobile station, for example, as shown in FIG. 7, a closed vehicle, cancellation, standby, empty vehicle, empty vehicle schedule, actual vehicle showing a state in which passengers are traveling, It shows the operating status at a premium rate, shows the traveling status on the way to pick up passengers, pays the fare, shows arrival at the destination, and other states, and according to the operation of the vehicle Convert.

On the other hand, in the base station device 52, the position determination unit 6
4 receives the above-mentioned transmission information via the antenna 62 and the receiving unit 63, and gives the transmission information to the information processing unit 59. The information processing unit 59 manages a district name, a number of vacant vehicles located in the district, and a vehicle number indicating a vehicle to be given a priority operation instruction for all districts in the business area on a predetermined memory. A database is provided, and the contents of the database corresponding to the position information included in the transmission information described above are updated based on the transmission information provided from the position determination unit 64. Furthermore, the information processing unit 59
Converts the contents of the database updated in this way into display information based on a predetermined format and sends it out,
The display terminal 61 takes in the display information and displays it.

On the display screen of the display terminal 61, for example,
When there are 320 districts in the business area, in order to keep the display quality above a certain level depending on the resolution of the display screen and other restrictions, for example, as shown in FIG. For each district, information is provided in the vertical direction, including the district name of each district, the vehicle number of the vehicle to be preferentially dispatched among the vacant vehicles located in that district, and the number of vacant vehicles located in that district in the vertical direction Minutes and 10 districts horizontally are displayed in the form format. Further, the information processing section 59
The information on the above-described display screen is switched for each page showing information on 80 districts according to a command given from the operator via the operation console 60.

The control unit 57 _B is arranged between the communication unit 58 and the control unit 57 _M of the mobile station according to a predetermined control procedure, and the radio unit 54 _B , antenna 53 _B , antenna 53 _M ,
It forms a communication path via the wireless section 54 _M and a transmission path for a position calibration signal and other control signals given from the information processing section 59. On the other hand, the control unit 57 _M of the mobile station corrects the error of the current position of the own station according to the control signal received through such a transmission path, or the radio unit 54 _M or the radio unit 54 _M according to a predetermined control procedure. The deck receiver 56 is controlled.

[0011]

By the way, in such a conventional AVM system, when the number of districts in the business area is large, the operator needs to know the operation status in all of these districts. Switching and referring to the dynamic information displayed on the display screen of the display terminal 61 in page units,
Moreover, the contents of these dynamic information had to be comprehensively judged.

That is, the work performed by the operator through the console 60 is complicated, and it takes a long time to grasp the operating conditions of all the districts and the operating conditions of a plurality of related districts. For this reason, it has been hindered to improve the efficiency of the operation work, which is required to promptly select a vacant vehicle to be dispatched and shorten the transfer time.

The present invention makes it possible to efficiently and surely grasp the operating conditions of all areas within the business area.
The purpose is to provide an M system.

[0014]

FIG. 1 is a block diagram showing the principle of the present invention. INDUSTRIAL APPLICABILITY The present invention is installed in a plurality of vehicles that are the targets of operation management for each area that divides the wireless zone, individually monitors the operation status of the vehicles, and detects the position by a predetermined navigation method, and within the wireless zone. detected position, the operation status and the mobile station apparatus 11 ₁ to 11 _N of the dynamic information including the identification information of the vehicle which is the information source wireless transmission, wirelessly transmitted from the mobile station apparatus 11 ₁ to 11 _N kinetics A database 13 that receives information and collects the dynamic information for each area including the position indicated by the information, and a graphic display in which the dynamic information collected by the database 13 is associated with each item of the dynamic information in advance. Display control means 15 for displaying a list based on the attributes and according to the arrangement of each area in the wireless zone.

[0015]

In the present invention, the database 13 is the mobile station device 11 among the plurality of areas formed by dividing the wireless zone.
The dynamic information is collected in association with the area including the position indicated by the dynamic information wirelessly transmitted from _{1 to} 11 _N. The display control means 15 arranges, in the wireless zone, the area corresponding to the dynamic information on the individual dynamic information thus collected, based on the graphic display attribute previously associated with each item of the dynamic information. Display processing is performed to reproduce.

That is, the vehicle dynamics information collected for each area in the database 13 is converted into information that can be easily visually identified by the display color, shade, hunting pattern, coloring pattern, font, line type, and the like. , And the list is displayed according to the arrangement of the areas in the wireless zone.
In the AVM system that manages the operation status of vehicles in many areas, the operation status of vehicles located in the wireless zone can be accurately and swiftly applied to each area without performing the complicated operation of switching the display screen as in the conventional example. Can be grasped.

[0017]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 2 is a diagram showing an embodiment of the present invention.

In the figure, parts having the same functions and configurations as those shown in FIG. 5 are designated by the same reference numerals, and the description thereof will be omitted here. In the present embodiment, the characteristic configuration of the present invention is that a base station 22 including an information processing unit 21 instead of the information processing unit 59 is arranged instead of the base station 52.

Regarding the correspondence relationship between this embodiment and the block diagram shown in FIG. 1, the mobile station devices 51 _{1 to} 51 _N and the antennas 53 _M and 55 correspond to the mobile station devices 11 _{1 to} 11 _N , and the antennas 62, the receiving unit 63, the position determining unit 64, and the information processing unit 21 correspond to the database 13, and the information processing unit 21 and the display terminal 61 correspond to the display control unit 15.

FIG. 3 is an operation flowchart of the present invention. The operation of this embodiment will be described below with reference to FIGS. The information processing unit 21 gives priority to a plurality of districts (districts) formed by dividing the business area into 1km square grid-shaped districts, the number of empty cars in the district, and the priority. And a first database that collects information consisting of vehicle numbers that indicate the vehicles that should give operation instructions,
For each mobile station, a second database that collects the district number and the dynamic information indicating the district including the current location of the mobile station is included. Further, the information processing unit 21 has, for each district registered in the first database, vacant information indicating whether or not there is a vacant vehicle located in the district, and a station in front of a station to be frequently dispatched or picked up, a hospital or the like. It has a third database that collects marking information that distinguishes important points from other areas.

In the mobile station apparatus, the current position information of the own station obtained through the decker receiving unit 56 is the base station apparatus 22 as the transmission information to which the vehicle number and the dynamic information of the own station are added as in the conventional example. Sent to.

In the base station device 22, the position determination unit 64 is
Such transmission information is received via the antenna 62 and the receiving unit 63, and the area corresponding to the current position information (indicated by latitude and longitude) included in the transmission information (hereinafter,
It is called "new district". ) Is requested (Fig. 3). The information processing unit 21 refers to the second database based on the vehicle number included in the received transmission information, and the district number already registered in the database (hereinafter, the district indicated by this district number is referred to as “old”). "District") and the above-mentioned new district number. If the information processing unit 21 determines that the mobile station, which is the transmission source of the transmission information, is located in the same area, the information processing unit 21 does not perform any updating process on the contents of the first to third databases described above. Absent.

However, if the information processing section 21 determines that the corresponding mobile station has moved to another area, on the contrary,
The old district number registered in the second database for the mobile station is rewritten to the new district number (Fig. 3). Further, when the dynamic information included in the transmission information indicates an empty vehicle, the information processing unit 21 subtracts “1” from the number of empty vehicles in the old area and subtracts “1” from the number of empty vehicles in the new area for the first database. 1 ”is added, and for the third database, the vacant car information of the old district and the new district is set based on the number of vacant cars of the first database updated by such subtraction and addition.

The information processing unit 21 arranges the contents of the third database in a grid pattern so as to maintain the geographical relationship of all districts in the business area as shown in FIG. 4 (a). Areas with empty cars are indicated by squares that have been shaded or filled with a predetermined color, while areas without empty cars are shown by simple squares without such treatment. Converts the display color while maintaining the display method indicating the presence or absence of an empty vehicle to generate display information, which is displayed via the display terminal 61 (FIG. 3).

When the information processing section 21 is instructed by the operator via the operation console 60 to display the detailed operation status of a specific area, for example, as shown in FIG. 4 (b). , The information registered in the first database for the specific area is individually displayed on the display screen of the display terminal 61, or the first database for the 80 areas indicated by the bold frame in FIG. The information registered in will be displayed in detail while maintaining the positional relationship between districts.

Therefore, according to the present embodiment, for all districts in the business area, the operation status of each district is displayed as a list on a single screen while maintaining the positional relationship between these districts. The operation status can be grasped surely and promptly, and the operation management efficiency can be improved.

In the present embodiment, the mobile station utilizes the decker navigation system to detect its current position, but the present invention is not limited to such a navigation system, and the desired accuracy and frequency can be used. If the present position can be detected by and the hardware that can adapt to the operating conditions in the mobile station such as driving power, weight, mounting space and the like instead of the deck receiving unit 56 can be realized, for example, satellite navigation by GPS, loran Any of the radio navigation system as described above and the self-contained navigation system using a geomagnetic sensor or the like may be adopted.

Further, in the present embodiment, the operating statuses of all districts within the business area are displayed in abbreviated form on a single screen.
Dynamic information including the number of empty cars, planned empty cars, dispatched cars, waiting cars, actual cars, closed stations, etc. of the entire system is always displayed in the surplus area at the bottom of the display screen as shown in Fig. 4 (a). Alternatively, the display screen may be switched or displayed using a pop-up window in accordance with a predetermined command given from the console 60.

Further, in the present embodiment, the information processing unit 21 compares the area indicated by the current position information newly received from the mobile station with the old area already registered in the database, and the result of the comparison is compared. Although the mobile station detects whether or not the mobile station has moved to another area based on this, the present invention is not limited to such a method. For example, the control unit 57 _M of the mobile station may determine the current position of the mobile station. A method may be used in which the area corresponding to the indicated latitude and longitude is obtained, the movement to another area is recognized, and the result of the recognition is notified to the base station.

Further, in this embodiment, the square mark indicating each area is shaded or filled with a predetermined color to display the presence or absence of an empty vehicle for each area, and the display color is changed. Although the area including the important points is displayed, the present invention is not limited to the content of the mark indicating such an area and the display processing for the mark, and for example, the shade of the display color, the type of line used, It is also possible to use a combination of differently colored or shaded patterns, fonts of characters used, and other graphic display attributes.

Further, in the present embodiment, whether or not there is a vacant vehicle and whether or not it corresponds to a key point regarding the operation status of each district is displayed in association with the above-mentioned graphic display attributes. The display is not limited to the items of various operation statuses, and similar items can be displayed for any item according to the demand of the traffic field in which the operation management is performed by the AVM system to which the present invention is applied.

[0032]

As described above, according to the present invention, the operating condition of vehicles located in each area formed by dividing the business area covered by the wireless zone is determined by the positional relationship between these areas. The list is displayed in association with a predetermined graphic display attribute according to the arrangement corresponding to.

That is, when grasping the operational status of vehicles located in a desired area such as a transfer destination or an area adjacent to the area, or when grasping the operational status of vehicles in the entire business area, the conventional example is used. Since it is not necessary to perform the complicated operation of switching the display screen, which is necessary, it is possible to surely and promptly grasp the desired operation status.

Therefore, the operation management using the AVM system is made efficient, and the quality of service provided by the vehicle operating under the operation management can be improved and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a principle block diagram of the present invention.

FIG. 2 is a diagram showing an embodiment of the present invention.

FIG. 3 is an operation flowchart of this embodiment.

FIG. 4 is a diagram showing information output on a display screen of a display terminal.

FIG. 5 is a diagram showing a configuration example of a conventional AVM system.

FIG. 6 is a diagram showing a configuration example of a sales area in which an AVM system is introduced.

FIG. 7 is a diagram showing transmission information transmitted from a mobile station to a base station.

FIG. 8 is a diagram showing a display example of conventional activity information.

[Explanation of symbols]

 11, 51 mobile station device 13 database 15 display control means 21, 59 information processing unit 22, 52 base station device 53, 55, 62 antenna 54 wireless unit 56 decker receiving unit 57 control unit 58 call unit 60 console 61 display terminal 63 Receiver 64 Position determination unit

Claims (1)

[Claims] 1. A wireless zone, which is mounted on a plurality of vehicles to be subject to operation management for each of the divided areas of the wireless zone, individually monitors the operating status of the vehicles and detects the position by a predetermined navigation system, the detected position within said the operation status and the mobile station apparatus to wirelessly transmit the kinetic information including identification information of the vehicle which is the information source (11 ₁ to 11 _N), the mobile station device (11 ₁ to 11 Database (13) that receives the dynamic information wirelessly transmitted from _N ) and collects the dynamic information for each area including the position indicated by the information.
And a display control means for displaying a list of the dynamic information collected by the database (13) based on a graphic display attribute previously associated with each item of the dynamic information and according to the arrangement of each section in the wireless zone. (15) An AVM system comprising: