JP2008216176A - Routing information offering device, routing information offering technique, and routing information offering program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a routing information offering device capable of indicating detours to each vehicle to mitigate traffic congestion and additionally preventing occurrence of traffic congestion over detours. <P>SOLUTION: A rout controlling server 18 receives current position information indicating the current position of a vehicle 11 and destination information indicating a destination from a car navigation device 13 through a user terminal 12. The rout controlling server 18 receives information including traffic congestion information from a VICS Center 19. The rout controlling server 18 generates routing information indicating a rout from the current position to the destination using map data based on various information received. The rout controlling server 18 transmits routing information generated to the user terminal 12. Moreover, the rout controlling server 18 generates controlled object information according to the rout indicated from routing information generated to transmit to a signal controlling server 20 controlling traffic signals. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a route information providing apparatus, a route information providing method, and a route information providing program that provide route information indicating a route to a destination.

  There is a car navigation device that receives traffic regulation information indicating traffic regulation and traffic jam information from the VICS (Vehicle Information and Communication System) Center (registered trademark) and guides the route to the destination based on each received information. .

  In Patent Document 1, a car navigation device transmits route information indicating a route to a destination based on information indicating a destination input by a user to a road traffic management center. A method for receiving route information from a car navigation device, predicting the occurrence of traffic congestion based on the received plurality of route information, correcting each route indicated by the route information based on the prediction result, and transmitting to the car navigation device Has been.

  Patent Document 2 describes a car navigation device that searches for a route to a destination based on traffic information received from an information providing device.

  In Patent Document 3, an electronic device transmits information indicating an input destination or the like to a traffic control center, and the traffic control center predicts the traffic volume on the road based on the received information, and responds to the prediction result. A system for calculating a route and transmitting information indicating the calculated route to an electronic device is described.

  Patent Document 4 discloses information indicating different routes so that each vehicle travels different routes based on information indicating the current position and the destination received from each car navigation device mounted on each vehicle. Is transmitted to each car navigation device.

JP 2002-99982 A (paragraphs 0020 to 0026, FIG. 1) JP 2003-90732 A (paragraphs 0019 to 0182, FIG. 1) JP 2004-21503 (paragraphs 0017 to 0045, FIG. 2) Japanese Patent Laying-Open No. 2004-301667 (paragraphs 0024 to 0069, FIG. 1)

  The car navigation device installed in each vehicle acquires traffic regulation information, traffic jam information, and the like from the VICS center. However, each car navigation device mounted on each vehicle around a certain road acquires common information from the VICS center, so that each car navigation device performs a similar detour based on the acquired common information. This indicates a road and the detour may be congested.

  In addition, the method described in Patent Document 1, the device described in Patent Document 2, the system described in Patent Document 3, and the server described in Patent Document 4 are different for each vehicle. However, if the number of detours is small, there is a possibility that the detours will be congested.

  Therefore, the present invention provides a route information providing device, a route information providing method, and a route information providing program for instructing each vehicle to detour to alleviate the traffic jam and further prevent the occurrence of the traffic jam on the detour. With the goal.

  A route information providing device according to the present invention is a route information providing device that provides route information indicating a route to a destination to an electronic device mounted on a vehicle, and includes a current position information indicating a current position of the vehicle and a user. Road information providing means for receiving destination information indicating the destination input to the electronic device from the electronic device via the mobile communication terminal, and providing road information including information indicating the route that is congested Based on road information receiving means for receiving road information from the apparatus, storage means for storing map data, destination information and current position information received by the vehicle information receiving means, and road information received by the road information receiving means. The route information generating means for generating the route information indicating the route from the current position to the destination using the map data stored in the storage means, and the route information generating means Route information transmitting means for transmitting the route information to the mobile communication terminal, and the route information generating means is configured such that the vehicle passing through the intersection of the route is more than the other vehicles according to the route indicated by the generated route information. Generate control target information for controlling the traffic lights installed at the intersection so that the intersection can be advantageously passed, and the route information transmitting means controls the traffic lights installed at the intersection. It transmits to the signal control apparatus which performs.

  The route information generating means may generate route information indicating different routes when the vehicle information receiving means receives current position information and destination information from a plurality of mobile communication terminals.

  In the route information transmitting means, the vehicle information receiving means receives the current position information and the destination information from a plurality of portable communication terminals, and the current position indicated by each current position information and the destination indicated by each destination information are predetermined conditions. When the current position information and the destination information are received, the route information to be transmitted to each mobile communication terminal is selected according to the order of receiving the current position information and the destination information and the distance of the route indicated by each route information generated by the route information generating means. May be.

  The route information generating means is an overlapping portion of the routes indicated by the route information generated based on the destination information and the current position information received from the plurality of mobile communication terminals by the vehicle information receiving means. The path information transmitting means may transmit the control target information to a signal control apparatus that controls a traffic signal installed at the intersection of the overlapping part of the path.

  A route information providing method according to the present invention is a route information providing method for providing route information indicating a route to a destination to an electronic device mounted on a vehicle, the current position information indicating the current position of the vehicle, and a user Providing road information including a vehicle information receiving step for receiving destination information indicating a destination input to the electronic device from the electronic device via a mobile communication terminal, and road information including information indicating a route that is congested Based on the road information receiving step for receiving road information from the device, the destination information and current position information received in the vehicle information receiving step, and the road information received in the road information receiving step, the storage means stores the information. A route information generation step that generates route information indicating the route from the current position to the destination using map data, and a route generated in the route information generation step A route information transmission step for transmitting information to the mobile communication terminal, and in the route information generation step, the vehicle passing through the intersection of the route is set to have an intersection more than other vehicles according to the route indicated by the generated route information. Generate control target information for controlling the traffic lights installed at the intersection so that it can pass advantageously, and in the route information transmission step, the control target information is a signal for controlling the traffic lights installed at the intersection It transmits to a control apparatus, It is characterized by the above-mentioned.

  A route information providing program according to the present invention is a route information providing program mounted on a route information providing device that provides route information indicating a route to a destination to an electronic device mounted on a vehicle. Vehicle information reception processing for receiving current position information indicating the current position and destination information indicating the destination input to the electronic device by the user from the electronic device via the mobile communication terminal, and a route that is congested Road information reception processing for receiving road information from a road information providing device that provides road information including information, destination information and current position information received in vehicle information reception processing, road information received in road information reception processing, And a route information generation process for generating route information indicating a route from the current position to the destination using the map data stored in the storage means, A vehicle that executes route information transmission processing for transmitting the route information generated by the route information generation processing to the mobile communication terminal, and passes through the intersection of the route according to the route indicated by the route information generated by the route information generation processing. However, the control object information for controlling the traffic signal installed at the intersection is generated so that the vehicle can pass through the intersection more advantageously than other vehicles. It is made to transmit to the signal control apparatus which controls the installed signal apparatus.

  According to the present invention, the route information generating means includes the route information indicating the route from the current position to the destination based on the destination information, the current position information, and the road information, and the route indicated by the route information. Control target information for controlling the corresponding traffic signal, and the route information transmission means transmits the route information to the mobile communication terminal and transmits the control target information to the signal control device that controls the traffic signal. A detour can be instructed to reduce traffic jams, and the occurrence of traffic jams on detours can be prevented.

  When the current position information and the destination information are transmitted from a plurality of mobile communication terminals, the route information generation means is configured to generate route information indicating different routes, respectively. It is possible to instruct different detours to distribute the traffic volume and prevent congestion on the detours.

  Route information transmitted by the route information transmitting means to each mobile communication terminal according to the order of receiving the current position information and the destination information and the distance of the route indicated by each route information. Is selected, a plurality of vehicles can be instructed to use different detours to distribute the traffic volume, and traffic congestion on the detours can be prevented.

  The route information generating means generates control object information indicating the overlapping part of the paths indicated by the generated plurality of route information, and the route information transmitting means overlaps the control object information. When it is configured to transmit to a signal control device that controls a traffic signal installed at an intersection of the partial routes, it is possible to prevent the occurrence of traffic congestion on the detour.

  Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram illustrating a configuration example of a road traffic control system including a route control server 18 according to the embodiment of this invention.

  As shown in FIG. 1, the road traffic control system includes a VICS center (road information providing device) 19 that transmits information to a car navigation device (electronic device) 13 mounted on a vehicle 11 via an antenna 21, and a user terminal. A route control server (route information providing device) 18 connected to a RAN (Radio Access Network) 30 for transmitting / receiving information to / from the (mobile communication terminal) 12 via a CN (Core Network) 40; And a signal control server (signal control device) 20.

  The RAN 30 includes a Node-B (radio base station apparatus) 14 that transmits / receives information to / from the user terminal 12 and an RNC (Radio Network Controller) 15 that transmits / receives information to / from the CN 40. The CN 40 includes an SGSN (Serving GPRS (General Packet Radio Service) Node) 16 and a GGSN (Gateway GPRS Support Node) 17. SGSN 16 and GGSN 17 are packet switches. The RAN 30 and the CN 40 are realized by a mobile phone communication network such as a mobile phone carrier.

  The car navigation device 13 receives, via the antenna 21, the traffic jam information indicating the jammed road and the traffic regulation information indicating the road on which traffic regulation is performed, transmitted from the VICS center 19. The traffic regulation information is, for example, information indicating a road on which construction is being performed. The traffic jam information is, for example, information indicating a road where the traffic jam occurs.

  Then, when the destination is set by the user or when the traffic information or traffic regulation information is received from the VICS center 19 via the antenna 21, the car navigation device 13 via the user terminal 12, the RAN 30 and the CN 40 The mobile unit identification information, the destination information indicating the destination, and the current position information indicating the current position are transmitted to the route control server 18. The mobile object identification information is, for example, the telephone number of the user terminal 12 that is a mobile phone. The destination information is information indicating the latitude and longitude of the destination, for example. The current position information is information indicating the latitude and longitude of the current position, for example. The car navigation device 13 indicates the mobile unit identification information and the destination to the route control server 18 via the user terminal 12, the RAN 30 and the CN 40 at a predetermined time interval (for example, 1 minute or 2 minutes). Destination information and current position information indicating the current position may be transmitted.

  The car navigation device 13 generates current position information indicating the latitude and longitude of the current position using, for example, a GPS (Global Positioning System) function.

  The user terminal 12 is realized by, for example, a mobile phone, and transmits information received from the Node-B 14 of the RAN 30 to the car navigation device 13. Note that the user terminal 12 may be realized by a PHS (Personal Handy-phone System) terminal.

  Moreover, the user terminal 12 transmits the information received from the car navigation device 13 to the Node-B 14 of the RAN 30.

  FIG. 2 is a block diagram illustrating a configuration example of the route control server 18. As shown in FIG. 2, the route control server 18 includes a vehicle information reception unit 181, a road information reception unit 182, a storage unit 183, a route information generation unit 184, and a route information transmission unit 185.

  The vehicle information receiving unit 181 receives current position information and destination information transmitted by the user terminal 12 via the RAN 30 and the CN 40. The road information receiving unit 182 receives the traffic jam information and traffic regulation information transmitted from the VICS center 19 via the antenna 21. Based on the current position information and destination information received by the vehicle information receiving unit 181 and the traffic jam information and traffic regulation information received by the road information receiving unit 182, the route information generating unit 184 starts from the position indicated by the current position information. The route to the position indicated by the destination information is searched and extracted from the storage means 183 in which the map data is stored.

  Then, the route information generation unit 184 generates route information indicating the extracted route. The route information transmission unit 185 transmits the route information generated by the route information generation unit 184 to the user terminal 12 via the CN 40 and the RAN 30.

  The route control server 18 receives the current position information indicating the current position of the vehicle 11 and the destination information indicating the destination input to the car navigation device 13 by the user from the car navigation device 13 to the user terminal. Vehicle information reception processing received via the road 12, road information reception processing for receiving road information from the VICS center 19 that provides road information including information indicating a congested route, and purposes received in the vehicle information reception processing Based on the location information and the current location information and the road information received in the road information reception process, the route information indicating the route from the current location to the destination is generated using the map data stored in the storage means 183. Route information generation processing, route information transmission processing for transmitting the route information generated by the route information generation processing to the user terminal 12, and In response to the route indicated by the generated route information in the route information generation process, the vehicle that passes the intersection of the route can be installed at the intersection more advantageously than other vehicles. Route information characterized by generating control target information for controlling a traffic signal being transmitted and transmitting the control target information to a signal control server 20 that controls a traffic signal installed at an intersection in a route information transmission process The provided program is installed.

  FIG. 3 is an explanatory diagram for explaining information transmitted and received in the present embodiment. As shown in FIG. 3, the mobile unit identification information, the destination information, and the current position information are transmitted from the user terminal 12 to the route control server 18. The route control server 18 receives the traffic jam information and traffic regulation information transmitted from the VICS center 19 and registers the received traffic jam information and traffic regulation information in the storage unit 183. Then, the route control server 18 transmits the route information generated based on the received information to the user terminal 12.

  Note that the route information generation unit 184 of the route control server 18 uses a detour that overlaps a predetermined number or more of vehicles when the traffic information received from the VICS center 19 indicates traffic on a road in a certain direction. When instructed, signal control target information for instructing the signal control server 20 to shorten the red lighting time of the traffic light installed on the road or shorten the signal switching time is generated. . The route information transmission unit 185 transmits the signal control target information generated by the route information generation unit 184 to the signal control server 20.

  Next, the operation of the present embodiment will be described with reference to the drawings. FIG. 4 is a flowchart for explaining the operation of the road traffic control system according to the embodiment of the present invention.

  The route information generation unit 184 of the route control server 18 periodically checks whether or not the information transmitted by the user terminal 12 has been received, and the vehicle information reception unit 181 has received the information transmitted by the user terminal 12. In this case (Y in step S101), the current position indicated by the received current position information, the destination indicated by the destination information, and the moving body identification information are registered in the storage unit 183 (step S102).

  Then, the route information generation unit 184 of the route control server 18 stores the current position and the destination corresponding to the current position and the destination registered in the storage unit 183 in step S102 by the other user terminal. If it is registered in 183 (Y in step S103), traffic jam information and traffic regulation information corresponding to the current position and destination registered in the storage means 183 in step S102 are extracted. Then, the route information generation unit 184 generates a route from the position indicated by the current position information to the position indicated by the destination information from the storage unit 183 storing the map data based on the extracted traffic jam information and traffic regulation information. Search and extract (step S104). The route information generation unit 184 of the route control server 18 generates route information indicating the extracted route.

  Specifically, the route information generation unit 184 searches, for example, a route having the shortest path between the position indicated by the current position information and the position indicated by the destination information based on the map data. In addition, when the route of the search result indicates that construction is being performed by the traffic regulation information or when the traffic congestion information indicates that a traffic jam has occurred, it does not pass through the road The route is searched and extracted based on the map data.

  The current position and destination corresponding to the current position and destination registered in the storage unit 183 in step S102 will be described. The current position corresponding to the current position registered in the storage unit 183 in step S102 indicates, for example, the same area, and the distance from the current position registered in the storage unit 183 is a fixed distance (for example, 5 km) or a position on the road where the current position registered in the storage means 183 is a position on the road, the distance from the current position on the road is larger than a predetermined distance (for example, 10 km). A short position.

  In addition, the destination corresponding to the destination registered in the storage unit 183 in step S102 indicates, for example, the same area, and the distance from the destination registered in the storage unit 183 is a predetermined distance. When the position is shorter than (for example, 5 km) or a position on the road where the destination registered in the storage means 183 is located, the distance to the destination on the road is a predetermined distance (for example, 10 km) Means a shorter position.

  When the route information generation unit 184 of the route control server 18 extracts a plurality of routes in step S104 (Y in step S105), the route information transmission unit 185 transmits the route information to be transmitted to each destination by the round robin method. Select (step S106). Specifically, for example, when the vehicle information receiving unit 181 of the route route server 18 receives information from five user terminals and the route information generating unit 184 generates route information indicating three different routes, respectively, The information transmission unit 185 selects a destination user terminal in the order in which the information is received in the round robin method, selects route information to be transmitted in order of short distance to the destination, and selects the route information selected for the selected user terminal. Are respectively transmitted (step S107).

  Accordingly, route information indicating the route having the shortest distance to the destination is transmitted to the user terminal that is the transmission source of the first received information. In addition, route information indicating the route having the second shortest distance to the destination is transmitted to the user terminal that is the transmission source of the second received information. In addition, route information indicating a route having the third shortest distance to the destination is transmitted to the user terminal that is the transmission source of the third received information. Then, route information indicating the route having the shortest distance to the destination is transmitted to the user terminal that is the transmission source of the information received fourth. In addition, route information indicating the route having the second shortest distance to the destination is transmitted to the user terminal that is the transmission source of the fifth received information.

  In this example, the route information transmission unit 185 selects the route information to be transmitted based on the distance to the destination. For example, the required time calculated by calculating the required time to the destination for each route is calculated. Route information to be transmitted in the order of shorter time may be selected.

  The user terminal 12 that has received the route information transmitted by the route control server 18 via the CN 40 and the RAN 30 transmits the received route information to the car navigation device 13. The car navigation device 13 that has received the route information transmitted by the user terminal 12 causes the display means (not shown) to display the route indicated by the received route information.

  In addition, the route information transmission unit 185 of the route control server 18 uses the signal control server 20 to indicate the signal control target information indicating the route extracted by the route information generation unit 184 in order to prevent the traffic caused by the vehicle traveling according to the route indicated by the route information. (Step S108).

  When the signal control server 20 receives the signal control target information, the signal control server 20 performs control so that the red lighting time of each traffic light in the vehicle traveling direction on the route indicated by the received signal control target information is shortened, or the red lighting of each traffic light Or control to shorten the switching time from blue to blue.

  In addition, the route control server 18 includes signal control target information indicating a route that is redundantly included in a predetermined number (for example, 20) or more of the route information indicated by the route information transmitted to the user terminal. You may transmit to the signal control server 20.

  In addition, when the route included in the route information of a predetermined number or more intersects at the intersection, the route control server 18 uses the traffic signal of the intersection as a vehicle of the route included in more route information. Control is performed to shorten the red lighting time in the traveling direction, or control is performed to shorten the switching time from red lighting to blue lighting.

  According to the present embodiment, the route information generation unit 184 generates route information indicating the route from the current position to the destination and signal control target information for controlling the traffic light. It is possible to alleviate traffic jams by giving instructions, and to prevent traffic jams on detours.

  In addition, when the route information generation unit 184 generates a plurality of route information, the route information transmission unit 185 transmits the route information to different user terminals, thereby distributing the traffic volume and preventing the occurrence of congestion on the detour. can do.

  In addition, since the route information transmission unit 185 of the route control server 18 transmits the signal control target information indicating the route extracted by the route information generation unit 184 to the signal control server 20, the signal control server 20 sets the signal control target information. Each traffic light on the route shown may be controlled to shorten the red lighting time of each traffic light in the vehicle traveling direction on that route, or may be controlled to shorten the switching time of each traffic light from red lighting to blue lighting. Thus, it is possible to prevent traffic jams due to vehicles traveling along the route indicated by the route information.

  The present invention can be applied to a traffic control device and a traffic control system for eliminating traffic congestion.

It is a block diagram which shows the structural example of the road traffic control system containing the route control server of embodiment of this invention. It is a block diagram which shows the example of 1 structure of a route control server. It is explanatory drawing explaining the information transmitted / received in this Embodiment. It is a flowchart explaining operation | movement of the road traffic control system of embodiment of this invention.

Explanation of symbols

11 Vehicle 12 User Terminal 13 Car Navigation Device 14 Node-B
15 RNC
16 SGSN
17 GGSN
18 route control server 19 VICS center 20 signal control server 21 antenna 181 vehicle information receiving unit 182 road information receiving unit 183 storage means 184 route information generating unit 185 route information transmitting unit

Claims (6)

In a route information providing device that provides route information indicating a route to a destination to an electronic device mounted on a vehicle,
Vehicle information receiving means for receiving current position information indicating the current position of the vehicle and destination information indicating a destination input to the electronic device by a user from the electronic device via a mobile communication terminal;
Road information receiving means for receiving road information from a road information providing device that provides road information including information indicating a route that is congested;
Storage means for storing map data;
Based on the destination information and current position information received by the vehicle information receiving means and the road information received by the road information receiving means, the map data stored in the storage means is used to determine the destination from the current position. Route information generating means for generating route information indicating a route to
Route information transmitting means for transmitting the route information generated by the route information generating means to the mobile communication terminal;
The route information generation means is configured to allow the vehicle passing through the intersection of the route to pass through the intersection more advantageously than other vehicles according to the route indicated by the generated route information. Generate control target information to control installed traffic lights,
The route information providing device, wherein the route information transmitting means transmits the control target information to a signal control device that controls a traffic light installed at the intersection. The route information providing device according to claim 1, wherein the route information generating unit generates route information indicating different routes when the vehicle information receiving unit receives current position information and destination information from a plurality of mobile communication terminals. In the route information transmitting means, the vehicle information receiving means receives the current position information and the destination information from a plurality of portable communication terminals, and the current position indicated by each current position information and the destination indicated by each destination information are predetermined conditions. If the current position information and the destination information are received, the route information to be transmitted to each mobile communication terminal is selected according to the order of receiving the current position information and the destination information and the distance of the route indicated by each route information generated by the route information generating means. The route information providing apparatus according to claim 1 or 2. The route information generating means is an overlapping portion of the routes indicated by the route information generated based on the destination information and the current position information received from the plurality of mobile communication terminals by the vehicle information receiving means. Control target information indicating
4. The route information transmitting means transmits the control target information to a signal control device that controls a traffic signal installed at an intersection of the overlapping portion of the route. 5. Route information providing device. In a route information providing method for providing route information indicating a route to a destination to an electronic device mounted on a vehicle,
Vehicle information receiving step for receiving current position information indicating the current position of the vehicle and destination information indicating a destination input to the electronic device by a user from the electronic device via a portable communication terminal;
A road information receiving step for receiving road information from a road information providing device that provides road information including information indicating a route that is congested;
Based on the destination information and the current position information received in the vehicle information receiving step and the road information received in the road information receiving step, the map data stored in the storage means is used to move from the current position to the destination. A route information generation step for generating route information indicating the route of
A route information transmission step for transmitting the route information generated in the route information generation step to the mobile communication terminal;
In the route information generation step, according to the route indicated by the generated route information, the vehicle passing through the intersection of the route can pass through the intersection more advantageously than other vehicles. Generate control target information to control installed traffic lights,
In the route information transmitting step, the control object information is transmitted to a signal control device that controls a traffic light installed at the intersection. A route information providing program mounted on a route information providing device that provides route information indicating a route to a destination to an electronic device mounted on a vehicle,
On the computer,
Vehicle information reception processing for receiving current position information indicating the current position of the vehicle and destination information indicating a destination input to the electronic device by a user from the electronic device via a mobile communication terminal;
Road information reception processing for receiving road information from a road information providing device that provides road information including information indicating a route that is congested;
Based on the destination information and current position information received in the vehicle information reception process and the road information received in the road information reception process, the map data stored in the storage means is used to obtain the destination from the current position to the destination. Route information generation processing for generating route information indicating the route of
A route information transmission process for transmitting the route information generated in the route information generation process to the mobile communication terminal;
In the route information generation process, according to the route indicated by the generated route information, the vehicle passing through the intersection of the route can pass through the intersection more advantageously than other vehicles. Generate control target information for controlling installed traffic lights,
A route information providing program for causing the signal control device that controls the traffic signal installed at the intersection to transmit the control target information in the route information transmission process.

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