WO2019156011A1 - Système de guidage d'informations de trafic et dispositif de distribution d'informations de trafic - Google Patents

Système de guidage d'informations de trafic et dispositif de distribution d'informations de trafic Download PDF

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Publication number
WO2019156011A1
WO2019156011A1 PCT/JP2019/003797 JP2019003797W WO2019156011A1 WO 2019156011 A1 WO2019156011 A1 WO 2019156011A1 JP 2019003797 W JP2019003797 W JP 2019003797W WO 2019156011 A1 WO2019156011 A1 WO 2019156011A1
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WIPO (PCT)
Prior art keywords
information
deceleration
vehicle
stop
section
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PCT/JP2019/003797
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English (en)
Japanese (ja)
Inventor
徳裕 中村
英紀 加瀬澤
健輔 武内
元 森川
洋子 櫻井
弘章 竹山
元裕 中村
Original Assignee
アイシン・エィ・ダブリュ株式会社
トヨタ自動車株式会社
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Application filed by アイシン・エィ・ダブリュ株式会社, トヨタ自動車株式会社 filed Critical アイシン・エィ・ダブリュ株式会社
Publication of WO2019156011A1 publication Critical patent/WO2019156011A1/fr

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    • 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
    • G08G1/123—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
    • G08G1/133—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 within the vehicle ; Indicators inside the vehicles or at stops
    • G08G1/137—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 within the vehicle ; Indicators inside the vehicles or at stops the indicator being in the form of a map
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network

Definitions

  • the present invention relates to a traffic information guidance system and a traffic information distribution device that provide statistics and guidance on road traffic information.
  • map data such as navigation devices
  • traffic information obtained from the center such as the current position specified by GPS, etc.
  • various proposals have been made on techniques for assisting in driving, and further making driving appropriate by intervening in driving.
  • a traffic jam where the vehicle is parked on the road lane is one of the events that the driver must be most careful to prevent, for example, a rear-end collision with another vehicle. It is.
  • Japanese Patent Application Laid-Open No. 2008-20948 discloses a technique for collecting traffic speed information from each vehicle traveling on a road and identifying a traffic jam section based on the collected samples.
  • the present invention has been made in order to solve the above-described conventional problems, and by allowing the driver to know the point where deceleration should be started with respect to the traffic jam section, it is possible to cause the vehicle to travel appropriately in the traffic jam section. It is an object of the present invention to provide a traffic information guidance system and a traffic information distribution device that are made possible.
  • a traffic information guidance system includes a traffic information acquisition unit that acquires information for identifying a traffic jam section where traffic jam occurs, and a plurality of vehicles that travel on the front side in the traveling direction with respect to the traffic jam section.
  • a deceleration history collecting means for collecting a point at which each vehicle starts deceleration or a point at which a deceleration operation is started in each vehicle as a deceleration start point, and collecting information on the deceleration start point as deceleration history information; Deceleration information guidance means for providing guidance regarding the deceleration start point based on the collection result of the history collection means.
  • the point where the vehicle starts to decelerate includes a point where the brake is activated in the vehicle, a point where the deceleration becomes a predetermined value or more, or a point where they are combined.
  • a point where the deceleration operation is started in the vehicle includes a point where the brake is stepped on by the driver, a point where the accelerator is turned off, a point where they are combined, and the like.
  • the traffic information distribution device is a traffic information acquisition means for acquiring information for specifying a traffic jam section where traffic jam occurs, and a plurality of vehicles traveling on the front side in the traveling direction with respect to the traffic jam section, A deceleration history collection means for collecting a point at which each vehicle starts deceleration or a point at which a deceleration operation is started in each vehicle as a deceleration start point, and collecting information on the deceleration start point as deceleration history information; and Deceleration information distribution means for distributing the collection result to the vehicle.
  • the driver determines a point where deceleration should be started with respect to the traffic jam section based on information collected from each vehicle traveling on the road. Can be grasped. As a result, it is possible to perform appropriate traveling for a traffic jam section.
  • FIG. 1 is a schematic configuration diagram showing a traffic information guidance system 1 according to the present embodiment.
  • FIG. 2 is a block diagram showing a configuration of the traffic information guidance system 1 according to the present embodiment.
  • a traffic information guidance system 1 includes a server device (traffic information distribution device) 3 provided in a probe center 2 and a navigation device that is a communication (guidance) terminal mounted on a vehicle 4. 5 is basically included.
  • the server device 3 and the navigation device 5 are configured to be able to send and receive electronic data to and from each other via the communication network 6.
  • a mobile phone, a smartphone, a tablet terminal, or a personal computer may be used.
  • the traffic information guidance system 1 constitutes a so-called probe car system.
  • the probe car system is a system that collects information using the vehicle 4 as a sensor. Specifically, the vehicle 4 transmits the operating status of each system such as the steering data and the shift position, including the speed data, to the probe center 2 through the communication device previously mounted on the vehicle 4 together with the GPS position information, A system that reuses the collected data as various information on the center side.
  • the server device 3 included in the probe center 2 appropriately collects and accumulates probe information (material information) including the current time and travel information from each vehicle 4 traveling all over the country, and the road from the accumulated probe information.
  • probe information material information
  • Various types of support information for example, road closure information, accident information, traffic jam information, travel time, etc.
  • the server device 3 records the history of the deceleration start point where the vehicle 4 started decelerating and the stop point where the vehicle 4 stopped (specifically, the position coordinates of the deceleration start point and the stop point) for each vehicle 4.
  • statistical data relating to the distribution of deceleration start points and stop points is created based on the collected information and distributed to the vehicle 4.
  • the navigation device 5 is mounted on the vehicle 4 and displays a map around the vehicle position based on the map data to be stored, displays the current position of the vehicle on the map image, and displays a set guidance route. It is an in-vehicle device that performs movement guidance along. The navigation device 5 also guides the user about the information on the distribution of deceleration start points and stop points received from the server device 3. The details of the navigation device 5 will be described later.
  • the communication network 6 includes a large number of base stations arranged in various parts of the country and a communication company that manages and controls each base station.
  • the base station and the communication company are connected to each other by wire (optical fiber, ISDN, etc.) or wirelessly. It is configured by connecting.
  • the base station has a transceiver (transmitter / receiver) for communicating with the navigation device 5 and an antenna.
  • the base station performs wireless communication between the communication companies, and relays the communication of the navigation device 5 that is at the end of the communication network 6 and within the range (cell) of the base station's radio waves to and from the server device 3. Have a role to play.
  • the server device 3 basically includes a server control ECU 11, a probe information DB 12 as information recording means connected to the server control ECU 11, a probe statistical information DB 13, and a center communication device 14. ing.
  • the server control ECU 11 (electronic control unit) is an electronic control unit that performs overall control of the server device 3, and is used as a working memory when the CPU 21 performs various types of arithmetic processing as well as the arithmetic unit and the control unit.
  • a ROM 23 in which a probe information collection processing program (see FIG. 6) and a traffic information statistical processing program (see FIG. 7), which will be described later, are recorded, a flash that stores programs read from the ROM 23
  • An internal storage device such as a memory 24 is provided.
  • the server control ECU 11 constitutes various means as processing algorithms together with an ECU of the navigation device 5 described later.
  • the traffic jam information acquisition unit acquires information for identifying a traffic jam section where the traffic jam occurs.
  • the deceleration history collecting means sets a deceleration start point at a point where each vehicle starts decelerating or a point where the deceleration operation is started in each vehicle for a plurality of vehicles traveling on the near side in the traveling direction with respect to the traffic jam section. Collect information about points as deceleration history information.
  • the deceleration information distribution unit distributes the collection result of the deceleration history collection unit to a vehicle that is scheduled to travel in a traffic jam section.
  • the probe information DB 12 is a storage unit that cumulatively stores the probe information collected from each vehicle 4 traveling throughout the country.
  • the probe information collected from the vehicle 4 includes (a) the date and time, (b) the link on which the vehicle 4 travels, (c), the traveling direction of the vehicle 4, and (d) the vehicle 4 Includes the coordinates of the deceleration start point where the deceleration started (the point where the braking operation was started, the point where the accelerator was turned off, etc.), and (e) the coordinates of the stop point where the vehicle 4 stopped (the point where the vehicle speed became zero).
  • the probe information does not necessarily include all the information related to the above (a) to (e).
  • probe information may be collected only from vehicles that have traveled around a traffic jam section.
  • FIG. 3 is a diagram showing an example of probe information stored in the probe information DB 12.
  • the probe information includes a vehicle ID for identifying the transmission source vehicle, information on the above (a) to (e), and the like.
  • the probe information shown in FIG. 3 indicates that the vehicle 4 with ID “A” decelerates at 9:00:05 on December 2 at (x1, y1) while traveling on the link with ID “100001”. Is stored at 9:00:08 at (x11, y11). Similarly, other probe information is also stored.
  • the probe statistical information DB 13 is a storage unit that cumulatively stores probe statistical information (distribution information) generated by statistics of the probe information stored in the probe information DB 12.
  • a high-frequency section that is, a section where deceleration start points concentrate
  • the section having a high frequency that is, the section where the stop points concentrate
  • the first stop section and the second stop section The details of the first deceleration section, the second deceleration section, the first stop section, and the second stop section will be described later.
  • FIG. 4 is a diagram showing an example of probe statistical information stored in the probe statistical information DB 13.
  • the probe statistical information includes information specifying the date and time when the statistics are performed, and the first specified as described later on the front side in the traveling direction of the traffic jam section (but may overlap with the traffic jam section). And information specifying the position and range of the deceleration section, the second deceleration section, the first stop section, and the second stop section.
  • the position and range of each section are basically specified using the link ID, but may be specified using coordinates or the like.
  • the number of vehicles (parameters of distribution) that are subject to statistics is also stored.
  • the server device 3 distributes the probe statistical information stored in the probe statistical information DB 13 to the navigation device 5 in response to a request from the navigation device 5.
  • the navigation apparatus 5 to which the probe statistical information is distributed guides the first deceleration section, the second deceleration section, the first stop section, and the second stop section as will be described later using the distributed probe statistical information. Perform various processes.
  • the center communication device 14 is a communication device for communicating with an external traffic information center such as a vehicle 4 or a VICS (registered trademark: Vehicle Information and Communication System) center via the network 15.
  • an external traffic information center such as a vehicle 4 or a VICS (registered trademark: Vehicle Information and Communication System) center
  • probe information and distribution information are transmitted to and received from each vehicle 4 via the center communication device 14.
  • information specifying a traffic jam section is acquired from an external traffic information center.
  • the server apparatus 3 may identify the traffic jam section based on the probe information collected from each vehicle 4 instead of acquiring it from an external server.
  • FIG. 5 is a block diagram showing the navigation device 5 according to the present embodiment.
  • the navigation device 5 includes a current position detection unit 31 that detects a current position of a vehicle on which the navigation device 5 is mounted, a data recording unit 32 that records various data, Based on the input information, the navigation ECU 33 that performs various arithmetic processes, the operation unit 34 that receives operations from the user, and a guide route (vehicles) set on the map around the vehicle and the navigation device 5 for the user
  • a liquid crystal display 35 for displaying information related to the scheduled travel route
  • a speaker 36 for outputting voice guidance for route guidance
  • a DVD drive 37 for reading a DVD as a storage medium
  • an information center such as a probe center 2 or a VICS center.
  • a communication module 38 that communicates with each other.
  • the current position detection unit 31 includes a GPS 41, a vehicle speed sensor 42, a steering sensor 43, a gyro sensor 44, and the like, and can detect the current vehicle position, direction, vehicle traveling speed, current time, and the like.
  • the vehicle speed sensor 42 is a sensor for detecting a moving distance and a vehicle speed of the vehicle, generates a pulse according to the rotation of the driving wheel of the vehicle, and outputs a pulse signal to the navigation ECU 33.
  • navigation ECU33 calculates the rotational speed and moving distance of a driving wheel by counting the pulse which generate
  • the data recording unit 32 reads an external storage device and a hard disk (not shown) as a recording medium, a map information DB 45, a travel history DB 46, a distribution information DB 47, a predetermined program, and the like recorded on the hard disk and stores them in the hard disk. And a recording head (not shown) as a driver for writing predetermined data.
  • the data recording unit 32 may be configured by an optical disk such as a flash memory, a memory card, a CD, or a DVD instead of the hard disk.
  • the map information DB 45, the travel history DB 46, and the distribution information DB 47 may be stored in an external server and acquired by the navigation device 5 through communication.
  • the map information DB 45 includes, for example, link data relating to roads (links), node data relating to node points, search data used for processing relating to route search and change, facility data relating to facilities, and a map for displaying a map.
  • the storage means stores display data, intersection data regarding each intersection, search data for searching for a point, and the like.
  • the travel history DB 46 is a storage unit that accumulates and stores travel information of the vehicle 4.
  • the coordinates of the deceleration start point where the vehicle 4 started to decelerate (the point where the braking operation was started, the point where the accelerator was turned off, etc.) and the stop point where the vehicle 4 stopped (the vehicle speed became zero).
  • the coordinates of the point) were memorized.
  • the current position of the vehicle 4 may be detected using the GPS 41 or the vehicle speed sensor 42, but it is desirable to specify the current position in detail using high-precision location technology.
  • the travel information stored in the travel history DB 46 is transmitted to the server device 3 as needed as probe information.
  • distribution information DB 47 is a storage means for storing distribution information (probe statistical information) distributed from the server device 3.
  • the navigation ECU (Electronic Control Unit) 33 is an electronic control unit that controls the entire navigation device 5, and includes a CPU 51 as an arithmetic device and a control device, and a working memory when the CPU 51 performs various arithmetic processes.
  • a RAM 52 for storing route data when a route is searched
  • a control program for storing route data when a route is searched
  • a probe information collection processing program for storing route data when a route is searched
  • a probe information collection processing program (see FIG. 6) described later
  • a traffic information guidance processing program FIG. 10
  • an internal storage device such as a flash memory 54 for storing a program read from the ROM 53.
  • the operation unit 34 is operated when inputting a departure point as a travel start point and a destination as a travel end point, and includes a plurality of operation switches (not shown) such as various keys and buttons. Then, the navigation ECU 33 performs control to execute various corresponding operations based on switch signals output by pressing the switches.
  • the operation unit 34 can also be configured by a touch panel provided on the front surface of the liquid crystal display 35. Moreover, it can also be comprised with a microphone and a speech recognition apparatus.
  • the liquid crystal display 35 includes a map image including a road, traffic information, operation guidance, operation menu, key guidance, guidance information along a guidance route (planned travel route), news, weather forecast, time, mail, television. Programs etc. are displayed. Further, in the present embodiment, particularly when there is a traffic jam section on the future planned route of the vehicle, the first deceleration section, the second deceleration section, and the first stop section identified by statistical processing of the server device 3 described later. The guidance for the second stop section is also displayed.
  • HUD or HMD may be used.
  • the speaker 36 outputs voice guidance for guiding traveling along a guidance route (planned traveling route) and traffic information guidance based on an instruction from the navigation ECU 33.
  • the DVD drive 37 is a drive that can read data recorded on a recording medium such as a DVD or a CD. Based on the read data, music and video are reproduced, the map information DB 45 is updated, and the like. A card slot for reading / writing a memory card may be provided in place of the DVD drive 37.
  • the communication module 38 is a communication device for receiving traffic information, weather information, and the like transmitted from a traffic information center, for example, a VICS center or other external center, and corresponds to, for example, a mobile phone or DCM.
  • a vehicle-to-vehicle communication device that performs communication between vehicles and a road-to-vehicle communication device that performs communication with roadside devices are also included. Further, it is also used for transmitting / receiving probe information and distribution information to / from the server device 3.
  • FIG. 6 is a flowchart of the probe information collection processing program according to this embodiment.
  • the probe information collection processing program is repeatedly executed at predetermined time intervals after the ACC power supply (accessory power supply) of the vehicle is turned on, and the server device 3 uses the points where the vehicle 4 starts decelerating and stops as probe information. Is a program to collect.
  • the programs shown in the flowcharts of FIGS. 6, 7, and 10 below are stored in the RAM 22 and ROM 23 provided in the server device 3, the RAM 52 and ROM 53 provided in the navigation device 5, and the like. It is executed by the CPU 51.
  • step (hereinafter abbreviated as S) 1 the CPU 51 acquires the current position, direction, current vehicle speed, and the like of the vehicle 4 using the detection results of various sensors such as the GPS 41 and the vehicle speed sensor 42. Also, the operation status of the brake and the accelerator is acquired from the vehicle control ECU or the like via the CAN.
  • the CPU 51 determines whether or not the vehicle 4 has started to decelerate based on the information acquired in S1. Specifically, it is determined that the vehicle 4 has started decelerating when the braking operation is started in the vehicle 4 or when the accelerator is turned off.
  • the CPU 51 uses the current position detection unit 31 to acquire the position coordinates of the deceleration start point that is the point where the vehicle 4 starts to decelerate. Further, the link ID of the link on which the vehicle travels (the link including the deceleration start point) is also acquired.
  • the CPU 51 transmits information including the position coordinates of the deceleration start point acquired in S3 to the server apparatus 3 as probe information. Specifically, “date and time when vehicle starts decelerating”, “vehicle ID for identifying own vehicle”, “position coordinates of deceleration start point”, “vehicle traveling direction”, and “link on which vehicle travels” The link ID "is transmitted. Thereafter, the probe information collection processing program is terminated.
  • the CPU 51 determines whether or not the vehicle 4 has stopped based on the information acquired in S1. Specifically, when the vehicle speed of the vehicle 4 becomes 0, it is determined that the vehicle 4 has stopped.
  • the CPU 51 uses the current position detection unit 31 to acquire the position coordinates of the stop point that is the point where the vehicle 4 has stopped. Moreover, it acquires also about link ID of the link (link containing a stop point) which a vehicle drive
  • the CPU 51 transmits information including the position coordinates of the stop point acquired in S6 to the server apparatus 3 as probe information. Specifically, “date and time when the vehicle stopped”, “vehicle ID identifying the vehicle”, “positional coordinates of the stop point”, “vehicle traveling direction”, and “link ID of the link on which the vehicle travels” ". Thereafter, the probe information collection processing program is terminated.
  • the CPU 21 determines whether probe information is transmitted from each vehicle 4 traveling throughout the country.
  • the transmitted probe information is received (S12). Then, the CPU 21 cumulatively stores the received probe information in the probe information DB 12 (S13).
  • the probe information received in S12 is information related to the deceleration start point and stop point of the vehicle 4, and “the date and time when the vehicle started decelerating (or stopped)” and “vehicle ID for identifying the host vehicle”. And “position coordinates of the deceleration start point (or stop point)”, “vehicle traveling direction”, “link ID of the link on which the vehicle travels”, and the like are included (see FIG. 3).
  • FIG. 7 is a flowchart of the traffic information statistical processing program according to this embodiment.
  • the traffic information statistical processing program is executed after a predetermined time (for example, 1 minute) has elapsed since the previous execution of the program, and based on the probe information transmitted from each vehicle 4, the vehicle decelerates with respect to the traffic jam section. It is a program that performs statistics on the points where starting and stopping.
  • the CPU 21 acquires the latest traffic jam information from a traffic information center such as a VICS center.
  • the traffic jam information includes information for identifying a traffic jam section of the traffic jam occurring throughout the country.
  • the server apparatus 3 may identify the traffic jam section based on the probe information collected from each vehicle 4 instead of acquiring it from an external server.
  • the processing of S22 to S25 below is executed in a loop for each traffic jam section included in the traffic jam information acquired in S21, and is repeated until the processing for all the traffic jam sections included in the traffic jam information acquired in S21 is completed. .
  • the CPU 21 performs the deceleration and stop performed in the period from the current time (that is, the time when the statistics are performed) to a predetermined time (for example, 1 minute) among the probe information currently stored in the probe information DB 12.
  • Such probe information is extracted.
  • the probe information includes “date and time when the vehicle started decelerating (or stopped)”, “vehicle ID for identifying the host vehicle”, and “deceleration start point (or stop point) position. "Coordinates”, "Vehicle travel direction”, and "Link ID of the link on which the vehicle travels" are included.
  • the probe information corresponding to the period from the present time to a predetermined time before the “date and time when the vehicle started decelerating (or stopped)” is extracted.
  • the CPU 21 specifies the distribution of deceleration start points and stop points by statistically analyzing the probe information extracted in S22.
  • the traffic information statistical processing program is executed at an interval of 1 minute, and an example where the deceleration start point related to deceleration and the stop point related to the stop performed within 1 minute from the time point at which the statistics are performed is targeted for statistics.
  • the interval for performing the statistical process and the period to be statistically changed can be changed as appropriate, and may be set at a 5-minute interval or a 10-minute interval.
  • the CPU 21 divides the road (including the traffic jam section) on the front side in the travel direction of the traffic jam section in a predetermined distance unit (for example, 10 m unit), and includes a deceleration start point and a stop point included in each section.
  • the frequency is calculated.
  • FIG. 8 is a diagram illustrating an example of statistical data obtained by statistically determining a deceleration start point. As shown in FIG. 8, the statistical data of the deceleration start point divides the road in units of 10 m, and calculates the frequency included in each division for the deceleration start point within the last minute that is the statistical target.
  • the deceleration start point and stop point that are subject to statistics in S23 are within a predetermined distance (for example, 100 m) from the traffic jam section to the front side in the traveling direction (the traffic jam section may or may not be included). Deceleration start point and stop point. This is to eliminate a deceleration start point that is decelerated based on factors other than the traffic jam section and a stop point that stops based on factors other than the traffic jam section.
  • the predetermined distance can be set as appropriate, but is preferably set based on the road type, the speed limit, and the like. For example, a predetermined distance can be set longer for a road with a high speed limit such as a national road or a highway.
  • the deceleration start point and the stop point that are excluded from the statistical target may be excluded from the collection target in advance.
  • the CPU 21 calculates the average value ⁇ and standard deviation ⁇ of the distribution. Then, a section on the road that includes the range of the average value ⁇ ⁇ ⁇ and a section on the road that includes the range of the average value ⁇ ⁇ 2 ⁇ are specified by the road segment unit (for example, 10 m unit) used in the statistics. .
  • the road segment unit for example, 10 m unit
  • the section from the point B to the point C is the section on the road including the range of the average value ⁇ ⁇ ⁇ .
  • a section from the point A to the point D is a section on the road including the range of the average value ⁇ ⁇ 2 ⁇ .
  • the CPU 21 sets a section on the road including the range of the average value ⁇ ⁇ ⁇ at the deceleration start point as the first deceleration section, and among the sections on the road including the range of the average value ⁇ ⁇ 2 ⁇ , the first deceleration
  • the section excluding the section is specified as the second deceleration section.
  • a section on the road including the average value ⁇ ⁇ ⁇ range for the stop point is defined as a first stop section, and a section on the road including the average value ⁇ ⁇ 2 ⁇ range is excluded from the first stop section. Is specified as the second stop section.
  • the first deceleration section, the second deceleration section, the first stop section, and the second stop section are specified in road division units (for example, 10 m units) used for statistics.
  • FIG. 9 is a diagram showing an example of the first deceleration section 55, the second deceleration section 56, the first stop section 57, and the second stop section 58 specified in S24.
  • the first deceleration section 55, the second deceleration section 56, the first stop section 57, and the second stop section 58 are specified on the front side in the traveling direction of the traffic jam section.
  • the second deceleration section 56 is positioned before and after the first deceleration section 55
  • the second stop section 58 is positioned before and after the first stop section 57.
  • first stop section 57 and the second stop section 58 are closer to the congestion section than the first deceleration section 55 and the second deceleration section 56, and the first stop section 57 and the second stop section 58 are the congestion section. It may overlap.
  • the first deceleration zone 55 corresponds to a zone in which approximately 70% of the vehicles subject to the statistics (that is, vehicles that started deceleration before the traffic jam zone) started deceleration
  • the second deceleration zone 56 Corresponds to a section in which approximately 20% of vehicles have started to decelerate.
  • the first stop section 57 corresponds to a section in which approximately 70% of the vehicles subject to statistics (that is, the vehicle stopped before the traffic jam section) is stopped, and the second stop section 58 is approximately 20%. Corresponds to the section where the vehicle stopped.
  • the first deceleration section 55, the second deceleration section 56, the first stop section 57, and the second stop section 58 correspond to statistical results of statistical processing.
  • the CPU 21 uses the first deceleration section, the second deceleration section, the first stop section, and the second stop section identified in S23 and S24 as probe statistical information (distribution information) as probe statistical information DB13. (See FIG. 4).
  • the CPU 21 distributes the information about the first deceleration section, the second deceleration section, the first stop section, and the second stop section stored in the probe statistical information DB 13 to the vehicle 4 that has been requested as distribution information.
  • FIG. 10 is a flowchart of the traffic information guidance processing program according to this embodiment.
  • the traffic information guidance processing program is executed after the ACC power supply (accessory power supply) of the vehicle is turned on, and the first deceleration zone and the second deceleration zone specified by the traffic information statistical processing program (FIG. 7) described above.
  • This is a program for guiding the first stop section and the second stop section to the vehicle occupant.
  • the CPU 51 receives the distribution information distributed from the server device 3 in S31.
  • the received distribution information is stored in the distribution information DB 47. Further, the received distribution information includes information for specifying the first deceleration section, the second deceleration section, the first stop section, and the second stop section specified by the traffic information statistical processing program (FIG. 7). .
  • the CPU 51 acquires vehicle information related to the vehicle 4.
  • the vehicle information acquired in S32 is information related to the current position and direction of the vehicle 4, and the planned travel route on which the vehicle will travel in the future.
  • the planned travel route of the vehicle is a guide route when the guide route is set by the navigation device 5, and is a route along the road when the guide route is not set.
  • the CPU 51 determines whether there is a traffic jam section on the planned travel route of the vehicle and the distance to the traffic jam section is within a predetermined distance (eg, 700 m). To determine.
  • a predetermined distance eg, 700 m
  • the CPU 51 guides the first deceleration section, the second deceleration section, the first stop section, and the second stop section for the traffic jam section located within a predetermined distance. Specifically, the first deceleration zone, the second deceleration zone, the first stop zone, and the second stop zone are displayed on the map image displayed on the liquid crystal display 35 so that they can be identified.
  • FIG. 11 shows an example of a travel guidance screen 61 displayed on the liquid crystal display 35 when there is a traffic jam section on the planned travel route of the vehicle and it is determined that the distance to the traffic jam section is within a predetermined distance.
  • FIG. 11 on the map image displayed on the liquid crystal display 35, the first image 63 is superimposed and displayed at a location corresponding to the first deceleration zone together with the vehicle position mark 62 indicating the current position of the vehicle. To do. Further, the second image 64 is superimposed and displayed at a location corresponding to the second deceleration section. Further, the third image 65 is superimposed and displayed at a location corresponding to the first stop section.
  • the fourth image 66 is superimposed and displayed at a location corresponding to the second stop section.
  • the first image 63, the second image 64, the third image 65, and the fourth image 66 are images having different display colors or different patterns. Accordingly, when the vehicle occupant visually recognizes the travel guide screen 61, the first deceleration zone, the second deceleration zone, the first stop zone, and the second stop zone can be easily identified and grasped.
  • the first deceleration section and the second deceleration section are sections having a high frequency in the distribution of the deceleration start points, and in particular, the first deceleration section is a section having a high frequency.
  • the first stop section and the second stop section are sections having a high frequency in the distribution of stop points, and in particular, the first stop section is a section having a high frequency. Therefore, the vehicle occupant can visually recognize the distribution mode of the deceleration start point and the stop point by visually checking the travel guide screen 61, and in particular, in which section the deceleration start point and the stop point are concentrated.
  • the vehicle occupant starts the brake operation in the section where the deceleration start point concentrates, that is, the first deceleration section and the second deceleration section, and stops in the section where the stop point concentrates, that is, the first stop section and the second stop section. If the brake is adjusted so that the vehicle travels, the vehicle can travel appropriately in a traffic jam section in the traveling direction of the vehicle.
  • the guidance can be performed in association with the traffic jam section.
  • a mark 71 (line segment, arrow, etc.) indicating the traffic jam section is displayed, and the first image 63 is displayed with respect to the mark 71.
  • the second image 64, the third image 65, and the fourth image 66 are displayed so as to be connected by a line or an arrow.
  • the first deceleration section, the second deceleration section, the first stop section, and the second stop section shown in each image are the first deceleration section, It is possible to easily grasp whether the two deceleration sections, the first stop section, and the second stop section are shown.
  • the driver since the end on the near side of the mark 71 displayed on the travel guide screen 61 particularly indicates the start point of the traffic jam section, the driver can select the start point of the traffic jam section and the first deceleration zone for the traffic jam section, It becomes possible to grasp the second deceleration section, the first stop section, and the second stop section in association with each other.
  • the first image 63, the second image 64, the third image 65, and the fourth image 66 may be superimposed and displayed on a real road using a HUD (head-up display).
  • HUD head-up display
  • information for identifying the traffic jam section where the traffic jam occurs is acquired (S21), and the front side in the traveling direction with respect to the traffic jam section
  • the information about the deceleration start point where each vehicle started decelerating and the stop point where it stopped is collected for a plurality of vehicles traveling on the road (S12), and the vehicle travels in the traffic jam section based on the result of collecting information from each vehicle.
  • the present invention is not limited to the above-described embodiment, and various improvements and modifications can be made without departing from the scope of the present invention.
  • the present embodiment as shown in FIG. 11, by displaying an additional image on the road of the map image, the first deceleration zone, the second deceleration zone, the first stop zone, and the second stop zone are made to the vehicle occupants.
  • guidance is provided, other methods may be used as long as the vehicle occupant can identify each section. For example, guidance may be provided by voice guidance.
  • the section where the deceleration start points are concentrated based on the distribution of the deceleration start points is specified by dividing into two stages of the first deceleration section and the second deceleration section according to the frequency. You may classify
  • points where the vehicle has started deceleration are collected as deceleration start points from each vehicle traveling on the road, but “points where deceleration operation is started in the vehicle” are used as deceleration start points. May be collected.
  • the driver can be made aware of the point where the deceleration operation should be started particularly in the traffic jam section on the planned travel route of the host vehicle.
  • the “point where the deceleration operation is started in the vehicle” includes a point where a brake is applied by the driver, a point where the accelerator is turned off, a point where they are combined, and the like.
  • the collected deceleration start point and stop point are statistically analyzed in the server device 3, and guidance is performed by the navigation device 5 based on the statistical result.
  • the statistical processing is not performed, and the deceleration start point is performed.
  • the first deceleration zone, the second deceleration zone, and the first stop for the traffic jam zone are detected for a vehicle having a traffic jam zone on the planned travel route of the vehicle, that is, a vehicle scheduled to travel in the traffic jam zone in the future.
  • guidance for the section and the second stop section is performed, guidance can be performed for vehicles other than the vehicle scheduled to travel in the traffic jam section in the future.
  • the map image displayed on the liquid crystal display 35 can be guided to a vehicle including a traffic jam section.
  • the distribution of the deceleration start point and the stop point on the front side in the traveling direction of the traffic jam section is statistically guided, but if it is an area where the vehicle decelerates or stops, it is not in the traffic jam section It is also possible to apply.
  • the distribution of deceleration start points and stop points on the front side of the intersection in the traveling direction may be statistically guided.
  • the execution subject of the traffic information statistical processing program shown in FIG. 7 is the server device 3, but the navigation device 5 may be configured to execute it. Further, the server device 3 and the navigation device 5 may be configured to partially execute each. In addition, when the navigation apparatus 5 executes the traffic information statistical processing program, it is preferable to acquire the history of deceleration start points and stop points of other vehicles via the server device 3 or by inter-vehicle communication. .
  • the traffic information guidance system 1 can be configured by another device having a travel guidance function.
  • an in-vehicle device other than the navigation device 5 a mobile phone, a smartphone, a tablet terminal, a personal computer, and the like are possible.
  • the traffic information guidance system can also have the following configuration, and in that case, the following effects can be obtained.
  • the first configuration is as follows.
  • Each vehicle starts decelerating for traffic information acquisition means (21) for acquiring information for identifying a traffic jam section where traffic jam occurs and for a plurality of vehicles (4) traveling in the forward direction of the traffic jam section.
  • the deceleration history collection means (21) that collects information about the deceleration start point as deceleration history information, and the collection result of the deceleration history collection means
  • a deceleration information guidance means (51) for performing guidance on the deceleration start point.
  • the driver can be made aware of a point where deceleration should be started for a traffic jam section based on information collected from each vehicle traveling on the road. As a result, it is possible to perform appropriate traveling for a traffic jam section.
  • the second configuration is as follows.
  • the vehicle has deceleration history statistics means (21) that statistics the deceleration history information of each vehicle collected by the deceleration history collection means, and the deceleration information guide means (51) is based on the statistical results of the deceleration history statistics means.
  • Guidance regarding the distribution of the deceleration start point is performed. According to the traffic information guidance system having the above-described configuration, it is possible to more accurately identify a point where deceleration should be started for a traffic jam section by statistically collecting information collected from each vehicle, and to allow the driver to grasp the point. It becomes.
  • the third configuration is as follows.
  • the deceleration information guidance means (51) divides the road on the front side in the traveling direction of the traffic jam section by a predetermined distance unit, and performs guidance that suggests the frequency of the deceleration start point included in each section.
  • the traffic information guidance system having the above configuration, a vehicle occupant can grasp a section where deceleration start points are concentrated on the front side of a traffic jam section. And if the passenger
  • the deceleration information guide means (51) displays a map image around the vehicle on the display device (35), and the road on the front side in the traveling direction of the traffic jam section included in the map image is included for each of the sections. It displays in the display mode according to the frequency of the deceleration start point.
  • the vehicle occupant can view the area where the deceleration start points are concentrated on the near side of the traffic congestion section by causing the vehicle occupant to visually recognize the map image displayed on the display device. It becomes possible to grasp. And if the passenger
  • the fifth configuration is as follows.
  • the deceleration history collection means (21) collects information about the deceleration start point at which each vehicle started deceleration during the period from the time point when statistics are performed to a predetermined time ago as the deceleration history information. According to the traffic information guidance system having the above-described configuration, it is possible to allow a vehicle occupant to grasp a section where deceleration start points are concentrated on the near side of a traffic jam section at the time when guidance is performed.
  • the sixth configuration is as follows.
  • the deceleration information guidance means (51) provides guidance on the deceleration start point to the vehicle (4) scheduled to travel in the traffic jam section.
  • the traffic information guidance system having the above-described configuration, it is possible for the vehicle that is scheduled to pass through the traffic jam section in the future to make the driver know the point where deceleration should start with respect to the traffic jam section. As a result, it is possible to perform appropriate traveling for a traffic jam section.
  • the seventh configuration is as follows.
  • the deceleration history collecting means (21) decelerates a point where each vehicle (4) starts decelerating or a point where a deceleration operation is started in each vehicle within a predetermined distance from the traffic jam section to the front side in the traveling direction. Collect as a starting point.
  • the traffic information guidance system having the above-described configuration, it is possible to extract only the deceleration behavior for the traffic congestion section, exclude the deceleration behavior based on other factors, and collect it as deceleration history information. As a result, it is possible to more accurately identify the point where deceleration should be started for the traffic jam section.
  • the eighth configuration is as follows.
  • the deceleration information guidance means (51) provides guidance regarding the deceleration start point in association with the traffic jam section.
  • the driver can grasp the traffic jam section and the deceleration start start point for the traffic jam section in association with each other. As a result, it is possible to perform more appropriate traveling for a traffic jam section.
  • the ninth configuration is as follows.
  • the deceleration information guidance means (51) provides guidance regarding the deceleration start point in association with information specifying the start point of the traffic jam section.
  • the driver can grasp the start point of the traffic jam section and the deceleration start start point for the traffic jam section in association with each other. As a result, it is possible to perform more appropriate traveling for a traffic jam section.
  • the tenth configuration is as follows. Stop history collection means (21) for collecting, as stop history information, information on stop points at which each vehicle stopped for a plurality of vehicles (4) traveling in the forward direction with respect to the traffic jam section, and the stop history collection Stop information guide means (51) for providing guidance regarding the stop point based on the collection result of the means.
  • Stop history collection means (21) for collecting, as stop history information, information on stop points at which each vehicle stopped for a plurality of vehicles (4) traveling in the forward direction with respect to the traffic jam section
  • Stop information guide means (51) for providing guidance regarding the stop point based on the collection result of the means.
  • the eleventh configuration is as follows.
  • the vehicle has stop history statistics means (21) that statistics the stop history information of each vehicle collected by the stop history collection means (21), and the stop information guide means (51) is a statistical result of the stop history statistics means. Based on the above, guidance on the distribution of the stop points is performed. According to the traffic information guidance system having the above-described configuration, it is possible to more accurately identify a point to be stopped with respect to a traffic jam section by statistically collecting information collected from each vehicle so that the driver can grasp it. .
  • the twelfth configuration is as follows.
  • the stop information guide means (51) divides the road on the front side in the traveling direction of the traffic congestion section by a predetermined distance unit, and performs guidance that suggests the frequency of the stop point included in each section.
  • the vehicle occupant can grasp the section where the stop points are concentrated on the near side of the traffic jam section. And if the passenger
  • the thirteenth configuration is as follows.
  • the stop information guide means (51) displays a map image around the vehicle on the display device (35), and the road on the front side in the traveling direction of the traffic jam section included in the map image is included for each of the sections. It displays in the display mode according to the frequency of the stop point.
  • the vehicle occupant grasps the section where the stop points are concentrated on the near side of the traffic congestion section by causing the vehicle occupant to visually recognize the map image displayed on the display device. It becomes possible to do. And if the passenger
  • the fourteenth configuration is as follows.
  • the stop history collecting means (21) collects information about stop points at which each vehicle has stopped during the period from the time when statistics are performed to a predetermined time ago as the stop history information. According to the traffic information guidance system having the above-described configuration, it is possible to allow a vehicle occupant to grasp a section where stop points are concentrated on the near side of a traffic jam section at the time when guidance is performed.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un système de guidage d'informations de trafic et un dispositif de distribution d'informations de trafic qui permettent d'effectuer un déplacement de manière appropriée dans une section congestionnée. Particulièrement, la présente invention est configurée de façon à : acquérir des informations identifiant une section dans laquelle a lieu une congestion ; collecter, en ce qui concerne une pluralité de véhicules se déplaçant à des positions se trouvant avant la section congestionnée dans le sens d'avance, des informations concernant un point de début de décélération auquel chacun des véhicules a commencé à décélérer et un point d'arrêt auquel le véhicule s'est arrêté ; et fournir un guidage par rapport au point de début de décélération et au point d'arrêt aux véhicules se déplaçant dans la section congestionnée sur la base des résultats collectés des informations provenant de chacun des véhicules.
PCT/JP2019/003797 2018-02-07 2019-02-04 Système de guidage d'informations de trafic et dispositif de distribution d'informations de trafic WO2019156011A1 (fr)

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JP2018-020000 2018-02-07
JP2018020000A JP2019139349A (ja) 2018-02-07 2018-02-07 交通情報案内システム及び交通情報配信装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116824865A (zh) * 2023-08-29 2023-09-29 天津光电比特信息技术有限公司 护栏智能预警方法、装置、设备及介质

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2006163940A (ja) * 2004-12-08 2006-06-22 Nissan Motor Co Ltd 車両走行状況提示装置及び車両の走行状況提示方法
JP2007133486A (ja) * 2005-11-08 2007-05-31 Nissan Motor Co Ltd 運転支援装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006163940A (ja) * 2004-12-08 2006-06-22 Nissan Motor Co Ltd 車両走行状況提示装置及び車両の走行状況提示方法
JP2007133486A (ja) * 2005-11-08 2007-05-31 Nissan Motor Co Ltd 運転支援装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116824865A (zh) * 2023-08-29 2023-09-29 天津光电比特信息技术有限公司 护栏智能预警方法、装置、设备及介质
CN116824865B (zh) * 2023-08-29 2023-12-05 天津光电比特信息技术有限公司 护栏智能预警方法、装置、设备及介质

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