WO2018021186A1 - 信号管制装置、信号管制システム、信号管制方法及びプログラム - Google Patents

信号管制装置、信号管制システム、信号管制方法及びプログラム Download PDF

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Publication number
WO2018021186A1
WO2018021186A1 PCT/JP2017/026477 JP2017026477W WO2018021186A1 WO 2018021186 A1 WO2018021186 A1 WO 2018021186A1 JP 2017026477 W JP2017026477 W JP 2017026477W WO 2018021186 A1 WO2018021186 A1 WO 2018021186A1
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WIPO (PCT)
Prior art keywords
traffic
information
emergency vehicle
road section
change amount
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/026477
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English (en)
French (fr)
Japanese (ja)
Inventor
幸一郎 岡田
健司 ▲高▼尾
浩和 柴田
加藤　聖樹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to SG11201900639UA priority Critical patent/SG11201900639UA/en
Publication of WO2018021186A1 publication Critical patent/WO2018021186A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
    • G08G1/13—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station the indicator being in the form of a map

Definitions

  • the present invention relates to a signal control device, a signal control system, a signal control method, and a program.
  • Patent Document 1 As a system that supports the emergency vehicle to reach the destination quickly, the current position of the emergency vehicle is transmitted to the command center server, and the command center server controls the traffic light before passing through the travel route of the emergency vehicle.
  • Patent Document 1 a system that allows the emergency vehicle to travel quickly has been proposed (for example, Patent Document 1).
  • control such as changing to a green signal or maintaining a green signal is uniformly performed on the traffic light provided on the travel route of the emergency vehicle.
  • the road section There is a possibility that traffic conditions such as traffic flow will not improve. That is, in such a road section, there is a possibility that control such as changing the traffic light to a green light may be performed even though the effect that the emergency vehicle can travel quickly cannot be obtained. This increases the time during which traffic lights on other road sections that are not included in the travel route of the emergency vehicle turn red, thus adversely affecting traffic flow on other road sections and causing traffic jams. there is a possibility.
  • the present invention has been made in view of such a problem, and improves the traffic situation of a road section on which an emergency vehicle travels and suppresses the influence on the traffic situation of a road section on which the emergency vehicle does not travel.
  • a signal control device, a signal control system, a signal control method, and a program are provided.
  • the signal control device includes an emergency vehicle information acquisition unit that acquires emergency vehicle information including position information of an emergency vehicle, and a traffic state change amount according to a lighting state of the traffic light for each road section.
  • a traffic condition change amount information acquisition unit for acquiring the traffic condition change amount information shown, the emergency vehicle information, and the traffic condition change amount information of the traffic light provided in the road section on which the emergency vehicle travels.
  • a signal control unit that performs control.
  • the signal control part can improve the traffic condition of the road area where an emergency vehicle drive
  • traffic on other road sections where emergency vehicles do not travel may be restricted and traffic conditions may deteriorate.
  • the signal control unit does not control the traffic signal for the road segment in which the traffic situation is expected not to be improved even if the traffic signal of the road segment on which the emergency vehicle travels is controlled. The influence on the situation can be suppressed.
  • the emergency vehicle information further includes a planned travel route of the emergency vehicle
  • the traffic state change amount information acquisition unit includes the planned travel route.
  • the traffic condition change amount information of each road section included is acquired, the signal control unit based on the emergency vehicle information and the traffic condition change amount information of each road section included in the planned travel route, Before the emergency vehicle reaches each road section, the traffic light provided in each road section is controlled.
  • the signal control part can improve the traffic condition of the road section included in the driving planned route of an emergency vehicle, before an emergency vehicle drive
  • the signal control device can cause the emergency vehicle to travel quickly and smoothly.
  • the signal control device includes a signal switching information acquisition unit that acquires signal switching information indicating that the lighting state of the traffic signal has been switched, and a road section in which the traffic signal is provided.
  • a traffic condition index acquisition unit for acquiring the traffic condition index, the traffic condition index when the signal switching information is acquired from the traffic light, and the traffic condition index when the previous signal switching information is acquired from the traffic light,
  • a traffic condition change amount information generation unit that generates traffic condition change amount information of the road section where the traffic signal is provided.
  • the restriction information on the restriction target road section in which traffic restriction is performed when the signal control unit controls the traffic light is transmitted to the restriction target road section.
  • It further includes a regulation information transmission unit that transmits to at least one of the vehicle-mounted device mounted on the vehicle located in the vehicle and the regulation information notification unit provided in the road section.
  • the regulation information transmission unit may cause a driver of a general vehicle to recognize a road section where an emergency vehicle is scheduled to travel and a road section subject to regulation, and induce an action such as traveling while avoiding these road sections. it can.
  • the restriction information transmission unit can make emergency vehicles run smoothly with priority, and can reduce the possibility that traffic conditions will deteriorate due to traffic jams or the like in the restriction target road section.
  • a signal control system collects probe data including position information of the signal control device according to any one of the above aspects and an on-vehicle device mounted on each of a plurality of vehicles.
  • generation part can produce
  • the traffic condition index generation unit can improve the accuracy of the traffic condition index.
  • the signal control device can accurately select and control a traffic light having a large effect of improving the road condition based on the highly accurate traffic condition index.
  • a signal control method includes an emergency vehicle information acquisition step of acquiring emergency vehicle information including position information of an emergency vehicle, and a traffic state change amount according to a lighting state of a traffic light for each road section.
  • a traffic situation change amount information acquisition step for obtaining the traffic situation change amount information shown, the emergency vehicle information, and the traffic situation change amount information;
  • a program uses a computer of a signal control device, an emergency vehicle information acquisition unit that acquires emergency vehicle information including position information of an emergency vehicle, and a change amount of a traffic situation according to a lighting state of a traffic light.
  • the traffic situation change amount information acquisition unit for obtaining traffic situation change amount information indicating the road section, the emergency vehicle information, and the traffic situation change amount information, provided in the road section on which the emergency vehicle travels It functions as a signal control unit that controls the traffic light.
  • the traffic situation of the road section where the emergency vehicle travels is improved and the influence on the traffic situation of the road section where the emergency vehicle does not travel is suppressed. It is possible.
  • FIG. 1 is a diagram showing an overall configuration of a signal control system according to an embodiment of the present invention.
  • the signal control system 1 of the present embodiment includes a probe data collection unit 10, a traffic condition index generation unit 20, and a traffic condition database 30 that are communicably connected via a network NW such as the Internet. And a signal control device 50.
  • NW such as the Internet
  • the probe data collection unit 10, the traffic condition index generation unit 20, the traffic condition database 30, and the signal control device 50 may be communicably connected via a dedicated line such as a LAN (Local Area Network).
  • LAN Local Area Network
  • the probe data collection unit 10 collects probe data (on-vehicle device probe data) transmitted from the vehicle-mounted device A mounted on the vehicle via the network NW at every predetermined time (for example, every second).
  • the “onboard device A” includes an onboard device A1 mounted on an emergency vehicle and an onboard device A2 mounted on a general vehicle other than the emergency vehicle.
  • “Vehicle” includes emergency vehicles and general vehicles.
  • An emergency vehicle is a vehicle such as an ambulance, fire truck, police vehicle, etc. that is required to reach its destination quickly for emergency services, and must be stopped according to the lighting state of the traffic light S, etc. It is a vehicle that does not need to stop even at a point where it does not.
  • the lighting state of the traffic light S indicates, for example, any signal such as “red signal (progress inhibition signal)”, “blue signal (progress signal)”, “yellow signal (stop signal)”. Indicates whether Moreover, a general vehicle is all vehicles other than an emergency vehicle, and is a vehicle which needs to stop according to the lighting state of the traffic light S, etc.
  • the probe data includes “transmission date and time”, “device type”, “device ID”, “position information”, “movement speed”, and the like.
  • Transmission date and time is information indicating the date and time when the probe data is transmitted from the vehicle-mounted device A1 or the vehicle-mounted device A2.
  • Equipment type is information for specifying whether the transmission source of the probe data is the vehicle-mounted device A1 (emergency vehicle) or the vehicle-mounted device A2 (general vehicle).
  • the “apparatus ID” is information that can identify the in-vehicle device A1 or the in-vehicle device A2 that is the transmission source of the probe data.
  • the “device type” is omitted, and probe data is transmitted based on the “device ID”. You may make it identify whether the origin is onboard equipment A1 or onboard equipment A2.
  • “Position information” is information indicating a point (latitude, longitude, etc.) where an emergency vehicle equipped with the vehicle-mounted device A1 or a general vehicle equipped with the vehicle-mounted device A2 is located at the date and time when the probe data was transmitted.
  • “Movement speed” is information indicating the traveling speed (m / s) of an emergency vehicle equipped with the vehicle-mounted device A1 or a general vehicle equipped with the vehicle-mounted device A2 at the date and time when the probe data was transmitted.
  • FIG. 2 is a diagram illustrating an example of a road section according to an embodiment of the present invention.
  • the traffic condition index generation unit 20 generates a traffic condition index for each road section at predetermined time intervals (for example, every second) based on the probe data collected by the probe data collection unit 10.
  • the road section indicates a region between two adjacent nodes among nodes set at each of a plurality of traffic nodes (intersections and the like) on the road.
  • Each road section is given a “link ID” that can identify the road section. For example, as shown in FIG.
  • a road section indicating a lane heading to the other side has a link ID “B20a” attached to a road section indicating a lane heading to one side, which is an area between two nodes (intersections).
  • a link ID “B20b” is attached to the section.
  • a node may be set for each predetermined distance.
  • the traffic condition index generation unit 20 includes “link ID”, “road section position information” indicating the position of the road section (for example, the latitude and longitude of the start point and end point of the road section), and “road section Map data associated with “the length of the traffic light” and “the traffic light information” indicating the information of the traffic light S provided in the road section (the traffic light ID that can identify the traffic light S, the installation position of the traffic light S, etc.) in advance.
  • the traffic condition index is information indicating the traffic condition of the vehicle in the road section.
  • the traffic condition index includes “traffic volume”, “traffic density”, and “average speed”.
  • the “traffic volume” indicates the number of vehicles passing per second (units / second) in the road section.
  • Traffic density indicates the number of vehicles per meter (units / m) in a road section.
  • Average speed indicates an average moving speed (m / s) of a vehicle traveling in a road section.
  • the traffic condition index generation unit 20 based on the probe data used when calculating the traffic condition index, information on the road section (link ID) and the vehicle-mounted device A located in the road section (one of the probe data).
  • the traffic situation table of the traffic situation database 30 includes “transmission date and time” of each probe data, “device type”, “device ID” and “position information” of the onboard device A that is the transmission source of each probe data, and the onboard device A.
  • the “link ID” of the road section where the vehicle is located is recorded in association with each other.
  • the traffic situation index generated by the traffic situation index generation unit 20 and a traffic situation table are recorded.
  • the signal control device 50 controls the lighting states of the plurality of traffic lights S (S1 to Sn) provided in each road section via the network NW.
  • FIG. 3 is a diagram illustrating a functional configuration of the traffic condition index generation unit according to the embodiment of the present invention.
  • the traffic condition index generation unit 20 first acquires probe data from the probe data collection unit 10. Then, the traffic condition index generation unit 20 uses a known big data distributed processing technique, a stream data processing technique, etc., and the traffic condition index for each road section based on the probe data collected from the plurality of vehicle-mounted devices A and portable terminals T. Is generated.
  • the traffic condition index generating unit 20 records the traffic condition index in the traffic condition database 30 for each road section. Thereby, the traffic condition index generation unit 20 can generate a traffic condition index corresponding to the actual situation for each road section in real time.
  • the traffic condition index generation unit 20 based on the probe data used when calculating the traffic condition index, information on the road section (link ID) and the vehicle-mounted device A located in the road section (one of the probe data). And the traffic status data associated with the traffic status database 30 is added to the traffic status table of the traffic status database 30 and updated.
  • FIG. 4 is a first diagram illustrating a processing flow of the traffic condition index generation unit according to the embodiment of the present invention.
  • the processing flow of the traffic condition index generation unit 20 of the present embodiment will be described with reference to FIG.
  • the traffic condition index generation unit 20 acquires the probe data collected by the probe data collection unit 10 (step S200).
  • the traffic condition index generation unit 20 generates a traffic condition index for each road section based on the probe data, and updates the traffic condition table (step S201). Details of the traffic condition index generation process and the traffic condition table update process will be described later.
  • the traffic condition index generation unit 20 records and accumulates the generated traffic condition index for each road section and the traffic condition table in the traffic condition database 30 (step S202). As described above, the traffic condition index generation unit 20 repeatedly executes the above process every time the probe data is acquired.
  • FIG. 5 is a second diagram illustrating a processing flow of the traffic condition index generation unit according to the embodiment of the present invention.
  • FIG. 6 is a third diagram illustrating a processing flow of the traffic condition index generation unit according to the embodiment of the present invention.
  • the traffic condition index generation unit 20 identifies a road section where a vehicle equipped with the vehicle-mounted device A that is a transmission source of each probe data is located (hereinafter, a road section where the vehicle is located). Processing P21 to be performed is performed. In process P21, first, the traffic condition index generation unit 20 reads “position information” from each probe data (step S210).
  • the traffic condition index generation unit 20 specifies the road section where each vehicle is located based on the “position information” of each probe data (step S211). Specifically, the traffic condition index generation unit 20 searches and specifies a road section having “road section position information” including “position information” (latitude and longitude) of the probe data from the map data.
  • the traffic condition index generation unit 20 adds the “link ID” of the identified road section to each probe data (step S212).
  • the traffic condition index generating unit 20 associates the “transmission date / time”, “device type”, and “device ID” of each probe data with the “link ID” of the road section added in step S212. Is updated by adding to the traffic situation table recorded in the traffic situation database 30 (step S213). As described above, the traffic condition index generation unit 20 repeatedly executes the process P21 each time the probe data is acquired.
  • the traffic condition index generation unit 20 calculates the traffic condition index at each time of each road section based on the plurality of probe data to which the “link ID” is added by the process P21.
  • Process P22 is performed.
  • the traffic condition index generation unit 20 extracts target probe data to be calculated from among a plurality of probe data (step S220).
  • the traffic condition index generation unit 20 generates probe data indicating that it exists in an arbitrary target road section at an arbitrary target time based on the “transmission date and time” and “link ID” of each probe data. Extracted as target probe data for calculation processing.
  • the traffic condition index generation unit 20 is probe data having “transmission date and time” within a predetermined time (for example, 1 second) from an arbitrary target time, and is the same as the link ID of an arbitrary target road section. Probe data having “link ID” is extracted as target probe data for the arithmetic processing.
  • the traffic condition index generation unit 20 acquires “movement speed” (hereinafter, “movement speed” of the vehicle) of the vehicle on which each vehicle-mounted device A included in the target probe data is mounted (step S221). Specifically, the traffic condition index generation unit 20 reads and acquires the “movement speed” of the vehicle included in the probe data.
  • the “movement speed” of the probe data is recorded in meters per second (m / s) will be described, but in other embodiments, kilometers per hour (km / h), etc. It may be recorded in other units.
  • the traffic condition index generation unit 20 may acquire the “movement speed” by converting it into meters per second (m / s).
  • the traffic condition index generation unit 20 calculates “the number of vehicles” indicating the number of vehicles equipped with the vehicle-mounted device A located in the target road section based on each probe data included in the target probe data ( Step S222).
  • the traffic condition index generation unit 20 searches and acquires “the length of the target road section” from the map data using the “link ID” of the target road section as a search key (step S223).
  • the traffic condition index generation unit 20 calculates the traffic density at the target time of the target road section (step S225). Specifically, the traffic condition index generation unit 20 uses “the number of vehicles” calculated in step S222 as N and “the length of the target road section” acquired in step S223 as K, and uses the following formula (2). To determine the traffic density k (units / m).
  • the traffic condition index generation unit 20 calculates the traffic condition index at each time of each road section by repeatedly executing the process P22 each time the probe data is acquired.
  • FIG. 7 is a diagram illustrating a functional configuration of the signal control device according to the embodiment of the present invention.
  • the signal control device 50 includes a signal switching information acquisition unit 510, a traffic condition index acquisition unit 520, a traffic condition change amount information generation unit 530, an emergency vehicle information acquisition unit 540, and a traffic condition change.
  • An amount information acquisition unit 550, a signal control unit 560, a restriction information transmission unit 570, and a recording medium 580 are provided.
  • the signal switching information acquisition unit 510 acquires signal switching information indicating which lighting state has been switched from each traffic signal via the network NW every time the lighting status of each traffic signal S is switched.
  • the signal switching information includes a “traffic signal ID” that can identify a traffic signal, a “lighting state”, and the like.
  • the traffic condition index acquiring unit 520 displays the traffic condition index of the road section where the traffic signal S that is the transmission source of the signal switching information is provided via the network NW. Obtained from the traffic situation database 30.
  • the traffic condition index acquisition unit 520 records and accumulates information in which the signal switching information and the traffic condition index are associated with each other in the recording medium 580.
  • FIG. 8 is a first diagram illustrating the function of the signal control device according to the embodiment of the present invention.
  • FIG. 9 is a first diagram illustrating an example of traffic state change amount information according to an embodiment of the present invention.
  • FIG. 10 is a second diagram illustrating the function of the signal control device according to the embodiment of the present invention.
  • FIG. 11 is a second diagram illustrating an example of traffic state change amount information according to an embodiment of the present invention.
  • FIG. 8 is an example of the signal switching information of the traffic light S20 and the traffic condition index of the road section B20a in a certain time zone during the day, and shows an example where the traffic volume is large and the traffic condition changes greatly according to the lighting state of the traffic light S20. Has been.
  • FIG. 8 is an example of the signal switching information of the traffic light S20 and the traffic condition index of the road section B20a in a certain time zone during the day, and shows an example where the traffic volume is large and the traffic condition changes greatly according to the lighting state of the traffic light S20. Has
  • the traffic volume is small and the change of the traffic condition is small according to the lighting state of the traffic light S20.
  • the horizontal axis represents the time when the signal switching information is acquired, and the vertical axis represents the value of the traffic condition index (traffic volume, traffic density, and average speed).
  • the traffic condition index (traffic volume, traffic density, and average speed).
  • the traffic situation change amount information generation unit 530 When the signal switching information acquisition unit 510 acquires the signal switching information from the traffic light S, the traffic situation change amount information generation unit 530 and the traffic status index at the time when the signal switching information is acquired and the previous signal switching information from the traffic light S are obtained. Based on the traffic condition index at the time when the traffic signal is acquired, a change in traffic condition according to the lighting state of the traffic light S as shown in FIGS. 8 and 10 is detected, and the traffic situation of the road section where the traffic signal S is provided Change amount information D30 (FIGS. 9 and 11) is generated. The traffic situation change amount information generation unit 530 records and accumulates the generated traffic situation change amount information D30 in the recording medium 580.
  • FIG. 9 is an example of the traffic situation change amount information D30 in the same time zone as FIG.
  • FIG. 11 shows an example of the traffic condition change amount information D30 in the same time zone as FIG. 10, and shows an example in which the traffic condition is small and the change of the traffic condition is small according to the lighting state of the traffic light S20.
  • the traffic situation change amount information D30 indicates how the traffic situation (traffic volume, traffic density, and average speed) of the road section where the traffic signal S is provided changes according to the lighting state of the traffic light S. Information. Specifically, as shown in FIGS. 9 and 11, the traffic situation change amount information D30 indicates whether the traffic situation of the road section “improves” or “deteriorates” according to the lighting state of the traffic light S.
  • the traffic state change amount information generation unit 530 determines that the degree of “improvement” or “deterioration” is large when the change amount of the traffic amount, the traffic density, and the average speed is equal to or greater than a predetermined value.
  • a predetermined value different values are set for the traffic volume, the traffic density, and the average speed.
  • the predetermined value may be set to a different value for each road section according to the characteristics of the road section such as the road width and the number of lanes.
  • the emergency vehicle information acquisition unit 540 acquires emergency vehicle information from the vehicle-mounted device A1 mounted on the emergency vehicle via the network NW.
  • the emergency vehicle information includes “transmission date and time”, “device ID”, “position information”, “movement speed”, “destination”, “scheduled travel route”, and the like.
  • “Transmission date and time” is information indicating the date and time when the emergency vehicle information is transmitted from the vehicle-mounted device A1.
  • the “device ID” is information that can identify the vehicle-mounted device A1 that is the transmission source of the emergency vehicle information, and is the same as the “device ID” included in the probe data.
  • “Position information” is information indicating a point (latitude, longitude, etc.) where the emergency vehicle equipped with the vehicle-mounted device A1 is located at the date and time when the emergency vehicle information was transmitted.
  • “Movement speed” is information indicating the traveling speed (m / s) of the emergency vehicle on which the vehicle-mounted device A1 is mounted at the date and time when the emergency vehicle information is transmitted.
  • “Destination” is information indicating a point (latitude, longitude, etc.) to which the emergency vehicle arrives.
  • the “scheduled travel route” is information in which one or more road sections (link IDs) included in the route from the point where the emergency vehicle is located to the destination are listed in the order in which the emergency vehicle travels.
  • the emergency vehicle information acquisition part 540 may acquire the probe data transmitted from onboard equipment A1 as emergency vehicle information. In this case, each piece of information on the emergency vehicle information described above is included in the probe data transmitted from the vehicle-mounted device A1.
  • the traffic state change amount information acquisition unit 550 acquires the traffic state change amount information D30 stored in the recording medium 580.
  • the traffic state change amount information acquisition unit 550 is associated with each road section included in the “scheduled travel route” of the emergency vehicle information. Traffic situation change amount information D30 is acquired from recording medium 580.
  • the signal control unit 560 determines the traffic signal S provided in each road section included in the “scheduled travel route”. Take control. Specifically, when each traffic light S is controlled based on the emergency vehicle information and traffic situation change amount information D30, the signal control unit 560 improves the traffic situation of the road section where each traffic light S is provided. Determine if the effect is significant. Then, when the signal control unit 560 controls the traffic light S to be in a certain lighting state (for example, “green light” state), the effect of improving the traffic condition of the road section where the traffic light S is provided is great. If it is determined, the traffic light S is selected as a control target.
  • a certain lighting state for example, “green light” state
  • the signal control unit 560 instructs to switch the lighting state of the traffic light S to be controlled (switch to “green light”) or extends the current lighting state of the traffic light S (extends the state of “blue light”). By transmitting signal control information including a command to the traffic light S, the traffic light S is controlled.
  • the signal control unit 560 determines that “the effect of improving the traffic situation is small” in the road section where the traffic light S is provided even if the lighting state of the traffic light S is controlled, the signal control unit 560 controls the traffic light S. Not performed.
  • “the effect of improving the traffic situation is small” means “the traffic situation is improved but the effect is small”, “the traffic situation does not change”, “the traffic situation is deteriorated”, etc. including.
  • the restriction information transmission unit 570 is a vehicle in which restriction information of a restriction target road section in which traffic restriction such as passage is prohibited is performed by the signal control unit 560 controlling the traffic light S, in the restriction target road section. Is transmitted to at least one of the vehicle-mounted device A and the regulation information notification unit G (described later). At this time, the regulation information transmission unit 570 searches the traffic situation table recorded in the traffic situation database 30, and the vehicle located in the road section having the same “link ID” as the “link ID” of the regulation target road section. The vehicle-mounted device A mounted on is extracted.
  • the signal control unit 560 controls the traffic light S to be able to specify a road section where traffic restriction such as traffic is prohibited (switched to “red light”) (“link ID”). "), Information on the traffic regulation period (start time and end time), and the like. Also, based on the “location information”, “movement speed”, and “planned travel route” of the emergency vehicle information, the time when the emergency vehicle travels in each road section is estimated, and for a general vehicle located in the road section, Information for notifying that the emergency vehicle is traveling may be included. By transmitting such restriction information, the restriction information transmission unit 570 can allow the driver of the general vehicle to recognize information related to the restriction target road section and the road section on which the emergency vehicle travels.
  • the regulation information may include the lighting state of each traffic light S on the “scheduled travel route” of the emergency vehicle, the traffic situation of the road section, and the like.
  • the restriction information transmission unit 570 can allow the driver of the emergency vehicle to recognize the lighting state of each traffic light S on the “scheduled travel route” and the traffic situation of each road section. it can.
  • Restricted road sections include road sections that are affected by traffic restrictions, such as road sections included in the “scheduled travel route” of emergency vehicle information, road sections connected to road sections included in the “scheduled travel route” of emergency vehicles, etc. Show.
  • the regulation information notification unit G is, for example, a road information board for displaying traffic information such as traffic jams and road closures provided on the road, a communication device for distributing traffic information to the vehicle-mounted device A via radio waves, etc. It is.
  • the restriction information transmission unit 570 estimates the time to reach each road section based on the “position information” and “movement speed” of the emergency vehicle information, and is more than the time at which the emergency vehicle is estimated to reach the reference position.
  • the restriction information may be transmitted at a timing before a predetermined time (for example, 10 seconds before). Further, based on the “position information” of the emergency vehicle information, the restriction information may be transmitted at a timing when the emergency vehicle reaches a position a predetermined distance before the reference position (for example, 100 meters before).
  • the reference position is a position where the signal S to be controlled is provided, a position of a start point or an end point of a road section where the signal S to be controlled is provided, and the like.
  • the recording medium 580 information relating the signal switching information and the traffic condition index recorded by the traffic condition index acquisition unit 520 and the traffic condition change amount information D30 generated by the traffic condition change amount information generation unit 530 are recorded. Yes.
  • map data in which a road section where each traffic signal S is provided and a road section where each regulation information notification unit G is associated is recorded in the recording medium 580 in advance.
  • FIG. 12 is a first diagram illustrating a processing flow of the signal control device according to the embodiment of the present invention.
  • FIG. 13 is a second diagram showing a processing flow of the signal control device according to the embodiment of the present invention.
  • the flow of processing of the signal control device 50 of the present embodiment will be described with reference to FIGS.
  • the signal control device 50 performs a process P50 for generating traffic condition change amount information D30 for each road section.
  • the signal switching information acquisition unit 510 acquires signal switching information from each traffic light S (step S500).
  • the traffic condition index acquiring unit 520 displays the traffic condition index of the road section in which the traffic light S, which is the transmission source of the signal switching information, is provided. Obtained from the database 30 (step S501). In addition, the traffic condition index acquisition unit 520 records and accumulates information in which the signal switching information and the traffic condition index are associated with each other in the recording medium 580.
  • the traffic status change amount information generation unit 530 obtains the traffic status index at the time of acquiring the signal switching information and the traffic signal S from the previous time. Based on the traffic condition index at the time when the signal switching information is acquired, the traffic condition change amount information D30 of the road section where the signal S is provided is generated (step S502). The traffic situation change amount information generation unit 530 records and accumulates the generated traffic situation change amount information D30 in the recording medium 580.
  • the traffic state change amount information generation unit 530 uses the traffic condition index of the road section B20a when the signal switching information is acquired from the traffic light S20 and the traffic condition index when the previous signal switching information is acquired from the traffic light S20. Based on the traffic light change information D30 of the road section B20a according to the lighting state of the traffic light S20. For example, as illustrated in FIG.
  • the traffic state change amount information generation unit 530 acquires a signal switching signal indicating that the lighting state has been switched to “green light” from the traffic light S20 at time “t2,” the time “ Based on the traffic condition index at time “t2” and the traffic condition index at time “t1” at which the previous signal switching signal was acquired, the traffic condition change amount information D30 from the time “t1” to “t2” is generated.
  • the traffic state change amount information generation unit 530 indicates that the lighting state of the traffic light S20 is “red signal”.
  • the traffic condition change amount information D30 is generated. In the example of FIG.
  • the traffic situation change amount information generation unit 530 determines that the traffic situation of the road section B20a during the period from time “t1” to “t2”, that is, when the lighting state of the traffic light S20 is “red light” is “deteriorating”. It is judged that the degree is large. For this reason, as shown in FIG. 9, the traffic condition change amount information generation unit 530 indicates that the traffic condition of the road section B20a when the lighting state of the traffic light S20 is “red light” is “the degree of deterioration is large”.
  • the traffic state change amount information D30 shown is generated.
  • the traffic state change amount information generation unit 530 acquires a signal switching signal indicating that the lighting state is switched to the “yellow signal” from the traffic light S20 at the time “t3”, the traffic state index at the time “t3”.
  • the traffic from the time “t2” to the time “t3” that is, traffic when the lighting state of the traffic light S20 is “green light” based on the traffic condition index at the time “t2” at which the previous signal switching signal was acquired.
  • the situation change amount information D30 is generated. In the example of FIG.
  • the traffic state change amount information generation unit 530 determines that the traffic state of the road section B20a during the period from the time “t2” to “t3”, that is, when the traffic light S20 is in the “green light” is “degree of improvement”. Is large. " Therefore, as shown in FIG. 9, the traffic condition change amount information generation unit 530 indicates that the traffic condition of the road section B20a when the lighting state of the traffic light S20 is “green light” indicates “the degree of improvement is large”. Traffic situation change amount information D30 is generated.
  • the traffic state change amount information generation unit 530 acquires a signal switching signal indicating that the lighting state has been switched to “green light” from the traffic light S20 at time “t2,” the time “ Based on the traffic condition index at “t2” and the traffic condition index at the time “t1” when the previous signal switching signal was acquired, the lighting state of the traffic light S20 is “red” during the period from the time “t1” to “t2”. Traffic condition change amount information D30 when it is “signal” is generated. In the example of FIG. 10, during the period from time “t1” to “t2”, the traffic volume is decreased, the traffic density is increased, and the average speed is decreased, but each is a change amount less than a predetermined value.
  • the traffic situation change amount information generation unit 530 determines that the traffic situation of the road section B20a during the period from time “t1” to “t2”, that is, when the lighting state of the traffic light S20 is “red light” is “deteriorating”. “Degree is small”. For this reason, as shown in FIG. 11, the traffic condition change amount information generation unit 530 indicates that the traffic condition of the road section B20a when the lighting state of the traffic light S20 is “red light” is “the degree of deterioration is small”.
  • the traffic state change amount information D30 shown is generated.
  • the traffic state change amount information generation unit 530 acquires a signal switching signal indicating that the lighting state is switched to the “yellow signal” from the traffic light S20 at the time “t3”, the traffic state index at the time “t3”. And the traffic from the time “t2” to the time “t3”, that is, traffic when the lighting state of the traffic light S20 is “green light” based on the traffic condition index at the time “t2” at which the previous signal switching signal was acquired.
  • the situation change amount information D30 is generated. In the example of FIG. 10, during the period from time “t2” to “t3”, the traffic volume increases, the traffic density decreases, and the average speed increases, but each is a change amount less than a predetermined value.
  • the traffic state change amount information generation unit 530 determines that the traffic state of the road section B20a during the period from the time “t2” to “t3”, that is, when the traffic light S20 is in the “green light” is “degree of improvement”. Is small. " Therefore, as shown in FIG. 11, the traffic condition change amount information generation unit 530 indicates that the traffic condition of the road section B20a when the lighting state of the traffic light S20 is “green light” indicates “the degree of improvement is small”. Traffic situation change amount information D30 is generated. When there is no change in the traffic condition index, the traffic condition change amount information generation unit 530 generates traffic condition change amount information D30 indicating “no change” as shown in FIG.
  • the traffic situation change amount information generation unit 530 determines that “no change” when the change amount of the traffic situation index is within a predetermined range. Each time the signal control device 50 acquires signal switching information from each traffic light S, the signal control device 50 repeatedly executes the process P50 and accumulates the traffic condition change amount information D30 in the recording medium 580.
  • the signal control device 50 performs a process P51 for controlling the traffic light S as shown in FIG.
  • the emergency vehicle information acquisition unit 540 acquires emergency vehicle information from the vehicle-mounted device A1 mounted on the emergency vehicle when the emergency vehicle travels for an emergency service (step S510).
  • the emergency vehicle information acquisition unit 540 is configured at predetermined intervals (in a period from when the emergency vehicle starts traveling for an emergency service until the service is completed (arrives at the destination)). For example, emergency vehicle information is acquired every 5 seconds.
  • the traffic state change amount information acquisition unit 550 acquires the traffic state change amount information D30 stored in the recording medium 580 (step S511). Specifically, when the emergency vehicle information acquisition unit 540 acquires emergency vehicle information in step S510, the traffic state change amount information acquisition unit 550 relates to each road section included in the “scheduled travel route” of the emergency vehicle information. The attached traffic condition change amount information D30 is acquired from the recording medium 580.
  • the signal control unit 560 selects a traffic light S that has a large effect of improving the traffic situation of the road section as a traffic signal to be controlled based on the emergency vehicle information and the traffic situation change amount information D30 (step S512). .
  • the signal control unit 560 is provided in each road section included in the “scheduled travel route” based on “location information” of emergency vehicle information and map data recorded in advance on the recording medium 580.
  • the traffic lights S to which the emergency vehicle has not reached are extracted. For example, it is assumed that the signal control unit 560 extracts the traffic light S20 (FIG. 2) provided in the road section B20a as one of the traffic lights S that the emergency vehicle has not reached.
  • the signal control unit 560 controls the traffic light S20 so as to be in a lighting state with a large effect of improving the traffic condition of the road section B20a. It is determined whether the effect of improving the traffic situation of B20a is large. In the example of FIG. 9, according to the traffic condition change amount information D30, when the lighting state of the traffic light S20 is “green light”, the traffic condition of the road section B20a is expected to be greatly improved (“improvement (large)”). Is done. For this reason, the signal control unit 560 determines that the effect of improving the traffic condition of the road section B20a is large by setting the lighting state of the traffic light S20 to “green light”.
  • the signal control unit 560 selects the traffic light S20 as a traffic signal to be controlled.
  • the traffic condition change amount information D30 when the lighting state of the traffic light S20 is “green light”, the traffic condition of the road section B20a is improved, but the improvement degree is small (“improvement” (Small) ”) is expected.
  • the signal control unit 560 determines that the effect of improving the traffic condition of the road section B20a is small even when the lighting state of the traffic light S20 is set to “green light”.
  • the signal control unit 560 determines that the control of the traffic light S20 is unnecessary, and does not select the traffic light S as a control target traffic light.
  • the signal control unit 560 makes such a determination for all the traffic lights S that have not yet reached the emergency vehicle, and selects the traffic lights S to be controlled.
  • the signal control unit 560 controls the traffic light S to be controlled selected in step S512 (step S513).
  • the traffic condition change amount information D30 when the lighting state of the traffic light S20 is “green light”, the traffic condition of the road section B20a is greatly improved (“improvement (large)”). is expected. For this reason, the signal control unit 560 controls the traffic light S20 so that the lighting state of the traffic light S20 becomes “green light”.
  • the signal control unit 560 indicates the traffic light S20. Transmit signal control information including a command to switch to “green light”.
  • the signal control unit 560 performs predetermined processing on the traffic light S20.
  • Signal control information including an instruction to extend the lighting state of the “blue light” is transmitted for an extension time (for example, 10 seconds).
  • the signal control unit 560 may estimate the time when the emergency vehicle passes the traffic light S20 based on the “position information” and the “movement speed” included in the emergency vehicle information. Then, the signal control unit 560 may set the extension time so that the lighting state of the “blue light” is continued until the time when the emergency vehicle is predicted to pass the traffic light S20.
  • the signal control unit 560 determines how many seconds later the emergency vehicle reaches the road section where the traffic signal S to be controlled is provided, based on the “position information” and “movement speed” included in the emergency vehicle information.
  • the signal control information may be transmitted a predetermined time before the emergency vehicle reaches the road section (for example, 10 seconds before).
  • the signal control unit 560 displays the signal control information when the emergency vehicle reaches a predetermined distance (for example, 100 meters before) reaching the road section based on the “position information” included in the emergency vehicle information. You may make it transmit.
  • the signal control unit 560 transmits signal control information including a lighting state switching command or includes a lighting state extension command according to the lighting state of the traffic light S at the time of transmitting the signal control information. Determine whether to send signal control information.
  • the signal control part 560 can improve the traffic condition of the said road area, before an emergency vehicle actually drive
  • the signal control device 50 repeatedly executes the process P51 until the emergency vehicle completes the service (arrives at the destination). As a result, the signal control device 50 can change the emergency vehicle information and the traffic situation each time, even if the planned travel route of the emergency vehicle is changed or the traffic situation of the road section changes due to an accident or the like. Based on the quantity information D30, the control can be performed by appropriately selecting the traffic light S to be controlled.
  • FIG. 14 is a diagram illustrating an example of a hardware configuration of a signal control device according to an embodiment of the present invention.
  • an example of a hardware configuration of the signal control device 50 of the present embodiment will be described with reference to FIG.
  • the computer 900 includes a CPU 901, a main storage device 902, an auxiliary storage device 903, an input / output interface 904, and a communication interface 905.
  • the signal control device 50 described above is mounted on the computer 900.
  • the operation of each processing unit described above is stored in the auxiliary storage device 903 in the form of a program.
  • the CPU 901 reads a program from the auxiliary storage device 903, develops it in the main storage device 902, and executes the above processing according to the program.
  • the CPU 901 ensures a storage area corresponding to the recording medium 460 in the main storage device 902 according to the program.
  • the CPU 901 ensures a storage area for storing data being processed in the auxiliary storage device 903 according to the program.
  • the computer 900 may be connected to the external storage device 910 via the input / output interface 904, and a storage area corresponding to the recording medium 580 may be secured in the external storage device 910. Further, the computer 900 may be connected to the external storage device 920 via the communication interface 905, and a storage area corresponding to the recording medium 580 may be secured in the external storage device 920.
  • the auxiliary storage device 903 is an example of a tangible medium that is not temporary.
  • Other examples of the tangible medium that is not temporary include a magnetic disk, a magneto-optical disk, a CD-ROM, a DVD-ROM, and a semiconductor memory connected via the input / output interface 904.
  • this program is distributed to the computer 900 via a communication line, the computer 900 that has received the distribution may develop the program in the main storage device 902 and execute the above processing.
  • the program may be for realizing a part of the functions described above. Further, the program may be a so-called difference file (difference program) that realizes the above-described function in combination with another program already stored in the auxiliary storage device 903.
  • difference file difference program
  • the signal control device 50 may be constituted by a single computer 900 or may be constituted by a plurality of computers connected so as to be communicable.
  • each function of the signal control device 50 may be included in the traffic condition index generation unit 20.
  • the signal control device 50 includes the emergency vehicle information acquisition unit 540 that acquires emergency vehicle information including the position information of the emergency vehicle, and the amount of change in the traffic situation according to the lighting state of the traffic light. Based on the traffic situation change amount information acquisition unit 550 that acquires the traffic situation change amount information D30 shown for each road section, the emergency vehicle information, and the traffic situation change amount information D30, the road section where the emergency vehicle travels is determined. And a signal control unit 560 that controls the traffic light S provided.
  • the signal control part 560 is based on the traffic condition variation
  • the traffic light S so that the emergency vehicle can preferentially and smoothly travel, there is a possibility that traffic on other road sections where the emergency vehicle does not travel is restricted and the traffic situation deteriorates. is there.
  • the signal control unit 560 does not control the traffic light S for the road section where the traffic situation is expected not to be improved even if the traffic light S of the road section on which the emergency vehicle travels is controlled.
  • the influence on the traffic situation of a section can be controlled.
  • the emergency vehicle information includes a planned travel route of the emergency vehicle.
  • the traffic state change amount information acquisition unit 550 acquires the traffic state change amount information D30 of each road section included in the planned travel route of the emergency vehicle information.
  • the signal control unit 560 is provided in each road section before the emergency vehicle reaches each road section based on the emergency vehicle information and the traffic condition change amount information D30 of each road section included in the planned travel route.
  • the received traffic light S is controlled.
  • the signal control unit 560 performs control based on the “position information” and “movement speed” included in the emergency vehicle information before a predetermined time or a predetermined distance before the emergency vehicle reaches the road section.
  • the target traffic light S is controlled.
  • the signal control device 50 also acquires a signal switching information acquisition unit 510 that acquires signal switching information indicating that the lighting state of the traffic light S has been switched, and a traffic situation that acquires a traffic condition index of a road section where the traffic signal S is provided.
  • the road on which the traffic signal S is provided based on the traffic condition index at the time when the signal acquisition information is acquired from the traffic light indicator S and the traffic condition index at the time when the previous signal switching information is acquired from the traffic light S.
  • a traffic condition change amount information generation unit 530 that generates the traffic condition change amount information D30 of the section; In this way, by generating the traffic situation change amount information D30 every time the traffic light is switched on, the traffic situation change amount information generation unit 530 can change the actual road section due to various factors such as date and time, weather, and accidents. Even when the traffic situation changes, the traffic situation change amount information D30 following such a change can be generated in real time. As a result, the signal control unit 560 can accurately select and control the traffic light S that has a large effect of improving the road condition according to the traffic condition of the actual road section.
  • the emergency vehicle information acquisition unit 540 acquires emergency vehicle information from the emergency vehicle until the emergency vehicle completes the service (arrives at the destination).
  • the traffic situation change amount information acquisition unit 550 acquires the traffic situation change amount information D30 from the recording medium 580 every time the emergency vehicle information acquisition unit 540 acquires emergency vehicle information.
  • the signal control part 560 repeats the process which selects and controls the traffic light S with the big effect of improving the traffic condition of a road area based on emergency vehicle information and traffic condition change amount information D30. By doing in this way, the signal control device 50 can provide emergency vehicle information every time, even when the planned travel route of the emergency vehicle is changed, or when the traffic situation of the road section changes due to an accident or the like.
  • the traffic condition change amount information D30 it is possible to accurately select and control the traffic light S that has a large effect of improving the road condition.
  • the signal control device 50 is configured so that the restriction information of the restriction target road section in which traffic restriction such as traffic is prohibited by the signal control unit 560 controlling the traffic light S is located in the restriction target road section.
  • a regulation information transmission unit 570 that transmits to at least one of the on-vehicle device A2 and the regulation information notification unit G mounted on the vehicle is provided.
  • the regulation information transmission part 570 can make the driver
  • the regulation information transmission unit 570 makes the emergency vehicle driver recognize the lighting state of the traffic light S on the planned travel route, the traffic condition of the road section, etc., and provide support for the emergency vehicle to travel smoothly. Can do.
  • the regulation information transmission unit 570 causes the driver of the general vehicle to recognize the road section where the emergency vehicle is scheduled to travel and the road section subject to the regulation, and invites an action such as traveling while avoiding these road sections. Can do.
  • the restriction information transmission unit 570 enables the emergency vehicle to travel smoothly with priority, and can reduce the possibility of traffic congestion and the like in the restricted road section, resulting in a worsening of traffic conditions.
  • the signal control system 1 includes a signal control device 50, a probe data collection unit 10 that collects probe data including position information of the vehicle-mounted device A mounted in each of a plurality of vehicles, and a road based on the probe data.
  • a traffic condition index generation unit 20 that generates a traffic condition index for each section and records it in the traffic condition database 30.
  • generation part 20 can produce
  • the traffic condition index generation unit 20 can increase the accuracy of the traffic condition index.
  • the signal control device 50 can accurately select and control the traffic light S having a large effect of improving the road condition based on the traffic condition index with high accuracy.
  • the signal control unit 560 has described the aspect in which the control is performed by selecting the traffic signal S that has a large effect of improving the traffic condition of the road section as the traffic signal to be controlled. There is nothing. For example, when the traffic condition of the road section is improved by controlling the traffic light S, the signal control unit 560 selects the traffic light S as the traffic signal to be controlled even if the improvement effect is small. Control may be performed.
  • standard selected as a traffic signal of a control object for every road area. For example, in a road section where the traffic volume is a predetermined value or more, only the traffic light S having a large improvement effect is selected and controlled, and in a road section where the traffic volume is less than a predetermined value, the improvement effect is small.
  • the signal S may be selected as a control target signal to perform control.
  • the traffic situation of the road section where the emergency vehicle travels is improved and the influence on the traffic situation of the road section where the emergency vehicle does not travel is suppressed. It is possible.
  • Signal Control System 10 Probe Data Collection Unit 20 Traffic Situation Index Generation Unit 30 Traffic Situation Database 50
  • Signal Control Device 510 Signal Switching Information Acquisition Unit 520 Traffic Situation Index Acquisition Unit 530 Traffic Situation Change Information Generation Unit 540
  • Emergency Vehicle Information Acquisition Unit 550 Traffic state change amount information acquisition unit 560
  • Signal control unit 570 Regulation information transmission unit 580 Recording medium 900
  • Computer 901 CPU 902 Main storage device 903 Auxiliary storage device 904 Input / output interface 905 Communication interface 910 External storage device 920 External storage device A On-vehicle device A1 On-vehicle device (emergency vehicle) A2 On-board device (general vehicle) G regulation information notification part NW network S traffic light

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  • Business, Economics & Management (AREA)
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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Traffic Control Systems (AREA)
PCT/JP2017/026477 2016-07-26 2017-07-21 信号管制装置、信号管制システム、信号管制方法及びプログラム Ceased WO2018021186A1 (ja)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110055843A (zh) * 2019-05-31 2019-07-26 刘建峰 一种无障碍公交道路系统
CN111932916A (zh) * 2020-07-31 2020-11-13 长沙理工大学 一种城市道路动态应急车道的控制方法及控制系统
JPWO2020230524A1 (cg-RX-API-DMAC7.html) * 2019-05-15 2020-11-19

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019168998A (ja) * 2018-03-23 2019-10-03 パイオニア株式会社 データ構造、端末装置、データ通信方法、プログラム及び記憶媒体
WO2020066656A1 (ja) * 2018-09-25 2020-04-02 住友電気工業株式会社 交通時間予測装置、交通時間予測システム、交通時間予測方法、交通情報の取得方法および交通時間予測プログラム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008158837A (ja) * 2006-12-25 2008-07-10 Sumitomo Electric Ind Ltd 情報提供システム、路上装置、車載装置及び車両
JP2009146137A (ja) * 2007-12-13 2009-07-02 Sumitomo Electric Ind Ltd 緊急車両誘導装置、プログラム及び方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008158837A (ja) * 2006-12-25 2008-07-10 Sumitomo Electric Ind Ltd 情報提供システム、路上装置、車載装置及び車両
JP2009146137A (ja) * 2007-12-13 2009-07-02 Sumitomo Electric Ind Ltd 緊急車両誘導装置、プログラム及び方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020230524A1 (cg-RX-API-DMAC7.html) * 2019-05-15 2020-11-19
WO2020230524A1 (ja) * 2019-05-15 2020-11-19 株式会社Ｎｔｔドコモ 通行量推計システム
JP7519350B2 (ja) 2019-05-15 2024-07-19 株式会社Ｎｔｔドコモ 通行量推計システム
US12231988B2 (en) 2019-05-15 2025-02-18 Ntt Docomo, Inc. Traffic amount estimation system
CN110055843A (zh) * 2019-05-31 2019-07-26 刘建峰 一种无障碍公交道路系统
CN110055843B (zh) * 2019-05-31 2023-12-12 刘建峰 一种无障碍公交道路系统
CN111932916A (zh) * 2020-07-31 2020-11-13 长沙理工大学 一种城市道路动态应急车道的控制方法及控制系统
CN111932916B (zh) * 2020-07-31 2022-10-28 长沙理工大学 一种城市道路动态应急车道的控制方法及控制系统

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