WO2016013040A1 - 運転支援システム、運転支援方法及びプログラム - Google Patents
運転支援システム、運転支援方法及びプログラム Download PDFInfo
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- WO2016013040A1 WO2016013040A1 PCT/JP2014/003846 JP2014003846W WO2016013040A1 WO 2016013040 A1 WO2016013040 A1 WO 2016013040A1 JP 2014003846 W JP2014003846 W JP 2014003846W WO 2016013040 A1 WO2016013040 A1 WO 2016013040A1
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- obstacle
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- moving body
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/161—Decentralised systems, e.g. inter-vehicle communication
- G08G1/162—Decentralised systems, e.g. inter-vehicle communication event-triggered
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/085—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/164—Centralised systems, e.g. external to vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/525—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking automatically indicating risk of collision between vehicles in traffic or with pedestrians, e.g. after risk assessment using the vehicle sensor data
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/45—Special conditions, e.g. pedestrians, road signs or potential dangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/47—Direct command from other road users, i.e. the command for switching or changing the beam is sent by other vehicles or road devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2554/00—Input parameters relating to objects
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/165—Anti-collision systems for passive traffic, e.g. including static obstacles, trees
Definitions
- the present invention relates to a driving support system, a driving support method, and a program that allow a driver or the like to perceive the presence of an obstacle.
- driving support technology that detects obstacles such as pedestrians using vehicle radar such as millimeter wave radar and laser radar, and radiates visible light to the detected obstacles to notify the driver of danger. It has been known.
- the driving support device of the host vehicle activates an alarm.
- the operation request signal is transmitted and the driving support device of the other vehicle that has received the operation request signal controls the light to irradiate the obstacle, the driver of the own vehicle perceives the presence of the obstacle.
- the present invention has been made to solve the above-described problems, and provides a driving support system that allows a driver to perceive the presence of an obstacle even when the obstacle cannot be detected by a vehicular radar or the like, thereby avoiding danger.
- the purpose is to do.
- the driving support system includes a determination unit that determines whether or not the first moving body has detected the obstacle based on the position information of the first moving body and the position information of the obstacle.
- a control unit that notifies the first moving body of the presence of the obstacle when the determination unit determines that the first moving body has not detected the obstacle.
- the driving support method includes a step of determining whether or not the first moving body detects the obstacle based on the position information of the first moving body and the position information of the obstacle; A step of notifying the first moving body of the presence of the obstacle when the determination unit determines that the first moving body has not detected the obstacle.
- the program according to the present invention is a process for determining whether or not the first moving body has detected the obstacle based on the position information of the first moving body and the position information of the obstacle. And, when the determination unit determines that the first moving body has not detected the obstacle, causing the first moving body to notify the presence of the obstacle.
- the driving support system since the presence of the obstacle is notified to the first moving body that has not detected the obstacle, the driver of the first moving body It is possible to avoid danger.
- FIG. 3 is a diagram illustrating a positional relationship between a host vehicle A and another vehicle B according to Embodiment 1.
- FIG. It is a figure which shows the structural example of the driving assistance apparatus 100 which concerns on Embodiment 1.
- FIG. 2 is a diagram illustrating a hardware configuration example of a driving support apparatus 100 according to Embodiment 1.
- FIG. 6 is a flowchart illustrating an operation example of an obstacle notification process according to the first embodiment. A flowchart showing an example of an algorithm of determination processing according to the first embodiment It is a figure which shows an example of the operation
- FIG. 6 is a diagram illustrating a configuration example of a server apparatus according to Embodiment 2.
- FIG. 10 is a flowchart illustrating an operation example of an obstacle notification process according to the second embodiment. It is a figure which shows an example of the operation
- FIG. 10 is a diagram illustrating a configuration example of a server device according to a third embodiment.
- FIG. 10 is a diagram illustrating an example of detection performance information according to the third embodiment.
- 10 is a flowchart illustrating an operation example of an obstacle notification process according to the third embodiment.
- Embodiment 1 FIG. Embodiment 1 of the present invention will be described below with reference to the drawings.
- FIG. 1 is a diagram showing a positional relationship between the host vehicle A and another vehicle B according to the first embodiment.
- the host vehicle A is a vehicle traveling on the road from south to north.
- the other vehicle B is a vehicle traveling on the road from east to west.
- the host vehicle A and the other vehicle B are equipped with a driving support device to be described later.
- the vehicle is described as an example, but the present invention is not limited to this.
- the driving support device may be a mobile terminal carried by a person.
- the host vehicle A may be expressed as a first moving body
- the other vehicle B may be expressed as a second moving body.
- the obstacle is described as a person, but is not limited to this, and any obstacle may be used as long as it can become an obstacle in traveling of the host vehicle, such as an abandoned object, a stopped vehicle, and a traveling vehicle.
- the own vehicle A and the other vehicle B are equipped with a vehicle radar such as a millimeter wave radar or a laser radar as a detection device for detecting an obstacle.
- a vehicle radar such as a millimeter wave radar or a laser radar
- the own vehicle A and the obstacle It is assumed that the vehicle A has a long distance and cannot detect an obstacle by the vehicle radar.
- FIG. 2 is a diagram illustrating a configuration example of the driving support apparatus 100 according to the first embodiment.
- the driving support device 100 includes a communication unit 101, an image analysis unit 102, an instruction unit 103, a determination unit 104, and a control unit 105.
- the driving support device 100 mounted on the other vehicle B illustrated in FIG. 1 will be described as an example.
- the communication unit 101 controls communication with an external device such as the host vehicle A or a server device.
- the communication unit 101 receives a position information signal transmitted from the host vehicle A, and the position information signal includes at least position information (latitude, longitude) of the host vehicle A.
- the image analysis unit 102 analyzes an image signal received from an imaging device such as an infrared camera, and acquires obstacle position information.
- This image signal corresponds to an infrared image signal, for example.
- the instruction unit 103 instructs the communication unit 101 to acquire the position information of the host vehicle A based on the set conditions, instructs the image analysis unit 102 to acquire the position information of the obstacle,
- the determination unit 104 is instructed to start determination processing described later.
- the condition is, for example, whether or not the other vehicle B is located within a predetermined range of the intersection (for example, within 100 m from the intersection) based on the map information and the position information from the other vehicle B.
- the instruction unit 103 may acquire map information from, for example, a navigation device. When the map unit has a map information storage unit that stores map information inside the vehicle support device, the map information is stored from the map information storage unit. May be obtained.
- indication part 103 receives a positional information signal using GPS (Global Positioning System). This position information signal includes position information (latitude, longitude) of the other vehicle B.
- the determination unit 104 When the determination unit 104 is instructed to perform the determination process by the instruction unit 103, the determination unit 104 acquires the position information of the obstacle from the image analysis unit 102, acquires the position information of the host vehicle A via the communication unit 101, and Based on the position information, it is determined whether or not the host vehicle A detects an obstacle. Further, the determination unit 104 notifies the control unit 105 of the determination result.
- the control unit 105 controls the vehicle A to notify the vehicle A of the presence of an obstacle when the vehicle determining unit 104 determines that the vehicle A has not detected an obstacle.
- the control unit 105 transmits a light control signal to an external actuator, for example.
- the actuator that has received the light control signal controls the headlamp, and changes the light irradiation direction, irradiation amount, and the like. In this way, the control unit 105 can notify the host vehicle A of the presence of an obstacle.
- control unit 105 may notify the presence of the obstacle by transmitting a notification signal for notifying the presence of the obstacle to the host vehicle A via the communication unit 101.
- the communication signal may be notified to the host vehicle A via the server device.
- the information for notifying the presence of an obstacle corresponds to the position information of the obstacle, and information such as the type of the obstacle may be added.
- FIG. 3 is a diagram illustrating a hardware configuration example of the driving support apparatus 100 according to the first embodiment.
- the driving support device 100 includes a processing device 150 including a CPU (Central Processing Unit), a DSP (Digital Signal Processing), an FPGA (Field Programmable Gate Array), or a combination of these, and a ROM (Read).
- a storage device 160 such as an “Only Memory” or a hard disk device, a receiver 170, and a transmitter 180 are connected by a bus. Note that the CPU, DSP, and FPGA each have a temporary memory.
- the image analysis unit 102, the instruction unit 103, the determination unit 104, and the control unit 105 are each stored in the storage device 160 as a program. Each function is realized by the processing device 150 reading and executing these as appropriate. That is, by combining the hardware that is the processing device 150 and the software that is the above-described program, the function of “ ⁇ unit” shown in FIG. 1 is realized. In other words, it can be said that the processing apparatus 150 is programmed to realize the functions of “ ⁇ unit” in FIG. Note that these functions are not limited to a combination of hardware and software, and the program may be implemented in the processing device 150 and realized by hardware alone.
- the CPU, DSP, and FPGA constituting the processing device 150 perform processing.
- the image analysis processing of the image analysis unit 102 is performed.
- the DSP or FPGA performs the processing independently, and the processing of the instruction unit 103, the determination unit 104, or the control unit 105 is performed by the CPU.
- the communication unit 101 is realized by a receiver 170 and a transmitter 280 or a transmitter / receiver in which reception and transmission are integrated.
- FIG. 4 is a flowchart showing an operation example of the obstacle notification process according to the first embodiment.
- indication part 103 determines whether the other vehicle B is located in the predetermined range from an intersection based on map information and the positional information on the other vehicle B (step S1). If it is determined that the other vehicle B is located within the predetermined range from the intersection (step S1-Yes), the communication unit 101 is instructed to acquire the position information of the own vehicle A, and the image analysis unit 102 is obstructed. Is acquired, and the determination unit 104 is instructed to perform determination processing (step S2).
- the image analysis unit 102 Upon receiving the instruction, the image analysis unit 102 analyzes the image signal and acquires the position information of the obstacle (step S3).
- the image analysis unit 102 can calculate the position information of the obstacle by a distance measuring technique using a monocular camera mounted in front of the vehicle.
- the image analysis unit 102 receives a captured image corresponding to a video in front of the vehicle, and detects an obstacle in the captured image by performing a feature point extraction process, a template matching process, and the like that define an outline from the captured image. To do.
- the image analysis unit 102 calculates the position and size of the obstacle in the captured image, and obtains the position information of the obstacle by obtaining the distance from the other vehicle B to the obstacle.
- the communication unit 101 that has received the instruction acquires a position information signal including the position information of the host vehicle A through inter-vehicle communication with the host vehicle A (step S4). Note that the communication unit 101 may receive the position information signal via the server device.
- the determination unit 104 determines whether or not the own vehicle A has detected an obstacle based on the position information of the own vehicle A and the position information of the obstacle (step S5).
- FIG. 5 is a flowchart showing an example of the algorithm of the determination process according to the first embodiment.
- the processing device 150 is programmed to realize the determination process of step S5 by executing the determination process by the determination unit 104, that is, the algorithm (step S105-1 to step S105-6) shown in FIG.
- the determination unit 104 acquires the position information of the host vehicle A and the position information of the obstacle (step S105-1).
- the position information of the host vehicle A is coordinates (x1, y1)
- the position information of the obstacle is coordinates (x2, y2).
- the determination unit 104 calculates the distance between the host vehicle A and the obstacle (step S105-2).
- the distance d between the host vehicle A and the obstacle is represented by the following equation (1).
- the obstacle can be an obstacle in the height direction due to an iron bridge, a railroad crossing bar, or the like
- the z-axis direction may be included in the distance calculation.
- the determination unit 104 compares whether the calculated distance is equal to or greater than a preset threshold (step S105-3).
- This threshold value can be arbitrarily set based on information of a detection range such as a general vehicle radar.
- the detection range of the millimeter wave radar is 200 to 300 m
- the detection range of the laser is about 200 m
- the detection range of the infrared camera is about 30 m.
- step S105-4 When the calculated distance is equal to or greater than the threshold (Yes in step S105-4), the determination unit 104 has no obstacle in the detection range of the vehicle radar of the own vehicle A, and the own vehicle A has detected the obstacle. It is determined that there is not (step S105-5).
- the determination unit 104 When the calculated distance is not greater than or equal to the threshold (No in step S105-4), the determination unit 104 has an obstacle in the detection range such as the vehicle radar of the own vehicle A, and the own vehicle A is detecting the obstacle. (Step S105-6).
- step S ⁇ b> 5 -No when the determination unit 104 determines that the host vehicle A has not detected an obstacle (step S ⁇ b> 5 -No), the determination unit 104 notifies the control unit 105 of the determination result. Receiving the notification, the control unit 105 notifies the host vehicle A of the presence of an obstacle (step S6). If the determination unit 104 determines that the host vehicle A is detecting an obstacle (step S5-Yes), the process returns to step S1.
- FIG. 6 is a diagram illustrating an example of an operation in which the other vehicle B according to the first embodiment notifies the host vehicle A of the presence of an obstacle.
- the control unit 105 of the other vehicle B transmits a light control signal to the actuator, thereby controlling the light of the other vehicle B itself, irradiating the obstacle, and notifying the own vehicle A of the presence of the obstacle.
- FIG. 7 is a diagram illustrating another example of the operation in which the other vehicle B according to the first embodiment notifies the host vehicle A of the presence of an obstacle.
- the control unit 105 of the other vehicle B transmits a notification signal via the communication unit 101 and notifies the presence of an obstacle through inter-vehicle communication with the host vehicle A.
- the notification content is not limited to the position information of the obstacle, and the kind of the obstacle may be notified.
- the other vehicle B may notify the own vehicle A of the presence of an obstacle via the server device.
- the determination unit 104 of the vehicle support device 100 determines that the own vehicle A has not detected an obstacle based on the position information of the own vehicle A and the position information of the obstacle. In this case, since the control unit 105 of the vehicle support apparatus 100 notifies the host vehicle A of the presence of the obstacle, the driver of the host vehicle A can also detect the obstacle in advance because it is located far away. Therefore, it is possible to perceive its presence and to perform safe driving.
- the instruction unit 103 has been described as instructing the determination unit 104 to start the determination process when it is determined that the other vehicle B is located within a predetermined range from the intersection, but the present invention is not limited thereto.
- the instruction unit 103 determines that the host vehicle A collides with the obstacle based on the distance between the host vehicle A and the obstacle calculated from the position information of the obstacle and the position information of the host vehicle A, and the speed information of the host vehicle A. It may be instructed to perform the determination processing when the time until the collision (collision time) is obtained and this collision time becomes a predetermined time or less.
- the instruction unit 103 acquires the position information of the other vehicle B via the communication unit 101 and acquires the position information of the obstacle from the image analysis unit 102.
- the communication unit 101 receives the speed information of the host vehicle A in the position information signal from the host vehicle A
- the instruction unit 103 can grasp the speed information of the host vehicle A.
- the other vehicle B includes a speed detection sensor
- the speed of the host vehicle A may be detected using the speed detection sensor, and the information may be transmitted to the communication unit 101.
- the instruction unit 103 may instruct the determination processing to be performed when an obstacle enters within Xm around the own vehicle A based on the position information of the own vehicle A.
- the surrounding Xm can be arbitrarily set, and may be determined based on a detection range of a general vehicle radar.
- the periphery means the inside of a circle whose radius is a predetermined distance centered on the host vehicle A, but is not limited to a circle and may be an ellipse. Moreover, it is good also considering the advancing direction of a vehicle and making only the front of a vehicle the circumference
- the position information of the obstacle has been described as being acquired by the image analysis unit 102, but is not limited thereto.
- the communication unit 101 can receive the position information of the obstacle from the mobile terminal.
- the position information of the host vehicle A has been described as being included in the position information signal and received by the communication unit 101, but is not limited thereto.
- the position information of the host vehicle A and the obstacle is determined from the position and size of the host vehicle A and the obstacle in the captured image. Can be obtained.
- the server device 200 determines whether or not the host vehicle A detects an obstacle based on the position information of the host vehicle A and the position information of the obstacle, and the host vehicle A detects the obstacle. When it is determined that the vehicle has not been detected, the vehicle A is notified of the presence of an obstacle.
- FIG. 8 is a diagram illustrating a configuration example of the server apparatus according to the second embodiment.
- the server device 200 according to the second embodiment includes a communication unit 201, a map information storage unit 202, an instruction unit 203, a determination unit 204, and a control unit 205.
- the communication unit 201 controls communication with an external device and periodically receives position information signals from the own vehicle A and the other vehicle B.
- the position information signal from the host vehicle A includes the position information of the host vehicle A.
- the position information signal from the other vehicle B includes the position information of the other vehicle B.
- the communication unit 201 receives a position information signal including the position information of the obstacle from the other vehicle B according to an instruction from the instruction unit 203.
- the map information storage unit 202 stores map information.
- the instruction unit 203 instructs the communication unit 201 to acquire obstacle position information based on the set conditions, and instructs the determination unit 204 to perform determination processing.
- the condition is the same as that described in the first embodiment. For example, it may be determined whether or not the other vehicle B is located within a predetermined range of the intersection, or until the own vehicle A collides with an obstacle. When the time (collision time) is less than or equal to a predetermined time, it may be instructed to perform the determination process. Moreover, you may instruct
- the vehicle A When the determination unit 204 receives an instruction for determination processing from the instruction unit 203, the vehicle A detects the obstacle based on the position information of the host vehicle A and the position information of the obstacle acquired via the communication unit 201. It is determined whether or not. The determination unit 204 notifies the control unit 205 of the determination result.
- the control unit 205 controls the vehicle A to notify the vehicle A of the presence of an obstacle when the vehicle determining unit 204 determines that the vehicle A has not detected an obstacle.
- the control unit 205 transmits, for example, a light control signal for controlling the light to the vehicle support device of the other vehicle B via the communication unit 201.
- the vehicle support device of the other vehicle B controls the actuator based on the received light control signal, and adjusts the light irradiation direction, the irradiation amount, and the like. In this way, the control unit 205 can notify the host vehicle A of the presence of an obstacle.
- control unit 205 may notify the presence of the obstacle by transmitting a notification signal for notifying the presence of the obstacle to the host vehicle A via the communication unit 201.
- FIG. 9 is a diagram showing exchange of information between apparatuses according to the second embodiment.
- the server device 200 receives a position information signal including the position information of the own vehicle A from the own vehicle A, and the position information of the other vehicle B or the position information of the obstacle from the other vehicle B. A position information signal including at least one of them is received.
- the other vehicle B can acquire the position information of the obstacle by performing image analysis. If the obstacle is a person having a mobile terminal equipped with a GPS function, the server device 200 may receive a position information signal including the position information of the obstacle from the mobile terminal.
- the server device 200 has a configuration in which the processing device 150, the storage device 160, the receiver 170, and the transmitter 180 are connected by a bus, similarly to the hardware configuration of the vehicle support device 100 described in FIG. 3. Yes.
- the instruction unit 203, the determination unit 204, and the control unit 205 are each stored in the storage device 160 as a program. Each function is realized by the processing device 150 reading and executing these as appropriate. In the realization of each function, it is possible to arbitrarily design how the CPU, DSP, and FPGA constituting the processing device 150 perform processing. For example, for the image analysis processing of the image analysis unit 102, the DSP or FPGA It is preferable from the viewpoint of processing speed that the CPU performs the processing independently, and the processing of the instruction unit 203, the determination unit 204, or the control unit 205 is performed by the CPU. Map information is also stored in the storage device 160.
- the communication unit 201 is realized by a receiver 170 and a transmitter 280 or a transmitter / receiver in which reception and transmission are integrated.
- FIG. 10 is a flowchart showing an operation example of the obstacle notification process according to the second embodiment.
- the communication unit 201 of the server device 200 periodically receives the position information signal from the host vehicle A and the position information signal from the other vehicle B, so that the position information of the host vehicle A and the position information of the other vehicle B are received. Are periodically acquired (step S01).
- the instruction unit 203 determines whether the other vehicle B is located within a predetermined range from the intersection based on the position information of the other vehicle B acquired via the communication unit 201 and the map information stored in the map information storage unit 202. Is determined (step S02).
- the instruction unit 203 determines that the other vehicle B is located within a predetermined range from the intersection (step S02—Yes)
- the instruction unit 203 instructs the communication unit 201 to acquire the position information of the obstacle ( Step S03).
- the instruction unit 203 may instruct the communication unit 201 to acquire the position information of the own vehicle A and the position information of the other vehicle B anew.
- the instruction unit 203 instructs the determination unit 204 to perform a determination process.
- the communication unit 201 performs inter-vehicle communication with the other vehicle B, receives a position information signal including the position information of the obstacle from the other vehicle B, and transmits the position information of the other vehicle B to the determination unit 204. (Step S04).
- the own vehicle A detects the obstacle based on the position information of the own vehicle A and the position information of the obstacle acquired via the communication unit 201. It is determined whether or not (step S05).
- step S06 If the determination unit 204 determines that the host vehicle A is detecting an obstacle (step S06—Yes), the process returns to step S02.
- step S06-No If it is determined by the determination unit 204 that the host vehicle A has not detected an obstacle (step S06-No), the control unit 205 notifies the host vehicle A of the presence of the obstacle (step S07).
- FIG. 11 is a diagram illustrating an example of an operation in which the server apparatus 200 according to the second embodiment notifies the host vehicle A of the presence of an obstacle.
- the control unit 205 of the server device 200 transmits a light control signal to the other vehicle B, the other vehicle B controls its own light to irradiate the obstacle, and notifies the own vehicle A of the presence of the obstacle.
- FIG. 12 is a diagram illustrating another example of the operation in which the server apparatus 200 according to Embodiment 2 notifies the host vehicle A of the presence of an obstacle.
- the control unit 205 of the server device 200 transmits a notification signal via the communication unit 201 and notifies the presence of an obstacle through inter-vehicle communication with the host vehicle A.
- the notification content is not limited to the position information of the obstacle, and the kind of the obstacle may be notified.
- the determination unit 204 of the server device 200 determines that the host vehicle A has not detected an obstacle based on the position information of the host vehicle A and the position information of the obstacle.
- the control unit 205 of the server device 200 controls the host vehicle A to notify the presence of an obstacle, the driver of the host vehicle A can detect an obstacle that cannot be detected because it is located far away. The presence can be perceived in advance, and safe driving can be performed.
- the server device 200 uses information related to detection performance such as a vehicle radar as a detection device in determining whether or not the host vehicle A is detecting an obstacle. Different from 2.
- FIG. 13 is a diagram illustrating a configuration example of the server apparatus according to the third embodiment.
- the server device 200 according to the third embodiment includes a communication unit 201, a map information storage unit 202, an instruction unit 203, a determination unit 204, a control unit 205, and a detection performance information storage unit 206. Since the communication unit 201, the map information storage unit 202, the instruction unit 203, and the control unit 205 are the same as those in the first embodiment, the same reference numerals as those in FIG.
- the detection performance information storage unit 206 stores detection performance information in which information related to detection performance of a vehicle radar mounted on each vehicle is associated with identification information (vehicle ID) of each vehicle.
- FIG. 14 is a diagram illustrating an example of detection performance information according to the third embodiment. As shown in FIG. 14, the vehicle ID and the detection performance of the vehicle radar mounted on the vehicle are stored in association with each other. In addition, about vehicle ID, you may make it identify not only with the vehicle individual information but with the information regarding a vehicle type, for example.
- the server device 200 aggregates the detection performance information from each vehicle in advance and stores it in the detection performance information storage unit 206.
- FIG. 15 is a flowchart showing an operation example of the obstacle notification process according to the third embodiment.
- the processing in steps S002, S003, S004, S006, and S007 is the same as that in steps S02, S03, S04, S06, and S07 described in FIG.
- the communication unit 201 of the server device 200 periodically receives the position information signal from the host vehicle A and the position information signal from the other vehicle B, so that the position information of the host vehicle A and the position information of the other vehicle B are received. And get regularly. At this time, the position information signal from each vehicle includes vehicle identification information (step S001).
- step S005 the determination unit 204 determines that the own vehicle A is based on the position information of the own vehicle A, the position information of the obstacle, and the detection performance information stored in the detection performance information storage unit 206. It is determined whether an obstacle is detected.
- the determination unit 204 first calculates the distance between the host vehicle A and the obstacle from the position information of the host vehicle A and the position information of the obstacle. To do. Here, it is assumed that the distance between the vehicle A and the obstacle is 200 m. Then, the determination unit 204 determines whether or not the calculated distance is within the detection range of the vehicle radar mounted on the host vehicle A. As shown in FIG. 13, since the detection performance of “laser”, which is a vehicle radar having a vehicle ID “001”, is 150 m, the determination unit 204 determines that the host vehicle A has not detected an obstacle. .
- the server device 200 includes the detection performance information storage unit 206 in which the detection performance information of the vehicle radar is stored, and the determination unit 204 includes the position information of the host vehicle A and the obstacles. Since it is determined whether or not the vehicle A is detecting an obstacle based on the position information and the detection performance information of the radar for the vehicle mounted on the vehicle A, whether or not the vehicle A is detecting the obstacle The determination accuracy can be improved, and the driver can be notified of the obstacle more accurately.
- the vehicle support device 100 described so far may be expressed as a single vehicle support system, and similarly, the server device 200 may be expressed as a single vehicle support system.
- the vehicle support system includes the vehicle support device 100 and the server device 200, a plurality of functions may be shared by both devices. For example, when the processing of the communication unit 101, the image analysis unit 102, and the instruction unit 103 illustrated in FIG. 2 is performed by the vehicle support device 100, and the processing of the determination unit 104 and the control unit 105 is performed by the server device 200, the vehicle support device The processing burden of 100 can be reduced.
- 100 vehicle support device 101 communication unit, 102 image analysis unit, 103 instruction unit, 104 determination unit, 105 control unit, 150 processing device, 160 storage device, 170 receiver, 180 transmitter, 200 server device, 201 communication unit, 202 Map information storage unit, 203 instruction unit, 204 determination unit, 205 control unit, 206 detection performance information storage unit
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Abstract
Description
以下図面を用いて本発明の実施の形態1を説明する。
以下図面を用いて本発明の実施の形態2について説明する。実施の形態2では、サーバ装置200が、自車両Aの位置情報と障害物の位置情報に基づいて自車両Aが障害物を検知しているか否かを判定し、自車両Aが障害物を検知していないと判定された場合に、自車両Aに対し障害物の存在を通知する。
以下図面を用いて本発明の実施の形態3について説明する。実施の形態3では、サーバ装置200が、自車両Aが障害物を検知しているか否かの判定において、検知装置としての車両用レーダ等の検知性能に関する情報を利用する点において、実施の形態2と異なる。
Claims (9)
- 第1の移動体の位置情報と障害物の位置情報とに基づいて前記第1の移動体が前記障害物を検知しているか否かを判定する判定部と、
前記判定部により前記第1の移動体が前記障害物を検知していないと判定された場合に、前記第1の移動体に前記障害物の存在を通知する制御部と、
を備えることを特徴とする運転支援システム。 - 前記判定部は、前記第1の移動体と前記障害物との距離が設定された閾値よりも大きい場合に、前記第1の移動体が前記障害物を検知していないと判定することを特徴とする請求項1に記載の運転支援システム。
- 前記判定部は、前記第1の移動体が障害物を検知するための検知装置の性能情報に基づいて前記第1の移動体が前記障害物を検知していないと判定することを特徴とする請求項1または2に記載の運転支援システム。
- 前記制御部は、前記障害物の位置情報を含む通知信号を前記第1の移動体に送信することにより、前記第1の移動体に前記障害物の存在を通知することを特徴とする請求項1から3のいずれかに記載の運転支援システム。
- 前記制御部は、前記障害物にライトを照射するよう制御するためのライト制御信号を前記第1の移動体とは異なる第2の移動体に送信することにより、前記第1の移動体に前記障害物の存在を通知することを特徴とする請求項1から3のいずれかに記載の運転支援システム。
- 前記判定部と前記制御部とは前記第1の移動体とは異なる第2の移動体に搭載された車両支援装置に設けられることを特徴とする請求項1から4のいずれかに記載の運転支援システム。
- 前記判定部と前記制御部とはサーバ装置に設けられることを特徴とする請求項1から5のいずれかに記載の運転支援システム。
- 第1の移動体の位置情報と障害物の位置情報とに基づいて前記第1の移動体が前記障害物を検知しているか否かを判定するステップと、
前記判定部により前記第1の移動体が前記障害物を検知していないと判定された場合に、前記第1の移動体に前記障害物の存在を通知するステップと、
を有することを特徴とする運転支援方法。 - コンピュータに、
第1の移動体の位置情報と障害物の位置情報とに基づいて前記第1の移動体が前記障害物を検知しているか否かを判定する処理と、
前記判定部により前記第1の移動体が前記障害物を検知していないと判定された場合に、前記第1の移動体に前記障害物の存在を通知する処理と、を実行させることを特徴とするプログラム。
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US15/320,362 US20170186318A1 (en) | 2014-07-22 | 2014-07-22 | Driving support system, driving support method and program |
CN201480080433.0A CN106537479A (zh) | 2014-07-22 | 2014-07-22 | 驾驶辅助系统、驾驶辅助方法和程序 |
PCT/JP2014/003846 WO2016013040A1 (ja) | 2014-07-22 | 2014-07-22 | 運転支援システム、運転支援方法及びプログラム |
JP2016535555A JP6239114B2 (ja) | 2014-07-22 | 2014-07-22 | 運転支援システム、運転支援方法及びプログラム |
DE112014006827.6T DE112014006827T5 (de) | 2014-07-22 | 2014-07-22 | Fahrunterstützungssystem, Fahrunterstützungsverfahren und Programm |
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