WO2015190329A1 - 車両の走行制御装置 - Google Patents
車両の走行制御装置 Download PDFInfo
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- WO2015190329A1 WO2015190329A1 PCT/JP2015/065715 JP2015065715W WO2015190329A1 WO 2015190329 A1 WO2015190329 A1 WO 2015190329A1 JP 2015065715 W JP2015065715 W JP 2015065715W WO 2015190329 A1 WO2015190329 A1 WO 2015190329A1
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- vehicle
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- instruction signal
- control device
- failure
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- 230000007257 malfunction Effects 0.000 abstract 8
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- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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Definitions
- the present invention relates to a vehicle travel control device that executes control for restricting another vehicle from entering the travel route of a host vehicle when various devices that support driving of the host vehicle fail.
- the driving support mode is determined based on the estimated risk level indicating the degree of possibility that the object moves on the predicted course of the vehicle, and one or more devices for driving support are controlled based on the determined driving support mode.
- a driving support device that performs driving support by doing so is disclosed in Patent Document 1.
- the avoidance route is determined when there is an obstacle on the vehicle route, and the avoidance is performed when there is another obstacle on the avoidance route.
- Japanese Patent Application Laid-Open No. 2004-228561 discloses an automatic braking and steering system for a vehicle in which a procedure for determining a route is applied once more.
- Patent Documents 1 and 2 controls the travel of the host vehicle after detecting a fault device of the host vehicle, and automatically controls other vehicles or traffic lights outside the host vehicle. An instruction signal for avoiding an accident caused by a vehicle failure is not transmitted.
- a technique for performing automatic notification when the own vehicle breaks down and for notifying the surrounding vehicle to the surrounding environment by a hazard or a horn is generally applied.
- the information that the own vehicle is out of order is notified to the outside, but the information about the degree of failure is not notified to the outside, and the information is notified only to the driver and the passenger of the own vehicle. .
- an object of the present invention is to provide a vehicle travel control device that can prevent an accident or a secondary disaster caused by a failure of the vehicle when the host vehicle fails.
- a vehicle travel control apparatus includes a failure detection unit that detects presence / absence of a failure of various devices that support driving of the host vehicle, and one of the devices fails in the failure detection unit.
- the failure state of the device is specified, the failure degree determination unit for determining whether the device can be driven, and the information on the change in operation of the other vehicle based on the determination information by the failure degree determination unit.
- An operation instruction unit that generates an instruction signal for outputting the instruction signal to the outside of the host vehicle.
- an instruction signal for changing the operation of another vehicle is generated and output to another vehicle, infrastructure equipment, or the like outside the host vehicle, resulting in a failure of the host vehicle. Accidents and secondary disasters can be prevented.
- FIG. 1 is a configuration diagram of a vehicle including a travel control device of the present invention. It is the figure which showed the processing flow in a failure degree judgment part. It is the figure which showed the processing flow in a travel route change part and an operation instruction part. It is the figure which showed Embodiment 1 of the exclusive road for motor vehicles to which the traveling control apparatus of this invention is applied. It is the figure which showed Embodiment 2 of the motor vehicle exclusive road to which the traveling control apparatus of this invention is applied. It is the figure which showed Embodiment 3 of the road only for motor vehicles to which the traveling control apparatus of this invention is applied. It is the figure which showed Embodiment 1 of the crossroad to which the traveling control apparatus of this invention is applied. It is the figure which showed Embodiment 2 of the crossroad to which the traveling control apparatus of this invention is applied.
- FIG. 1 is a configuration diagram of a vehicle including a travel control device of the present invention.
- the travel control device 100 includes a failure detection unit 101, a failure degree determination unit 102, an operation instruction unit 103, a reception unit 104, a travel route change unit 105, and a control ECU 106.
- the failure detection unit 101 detects any failure of the steering 300 (steering device), the brake 400, the engine 500, the accelerator 600, and the NAVI 700 (car navigation device), which are various devices that support driving of the vehicle.
- the “various devices” include all of the actuators (equivalent to the steering 300 and the like), sensors, cameras, and other devices (equivalent to the external recognition unit 200) that assist driving the vehicle. .
- the external environment recognition unit 200 includes a distance between a vehicle and obstacles such as a stereo camera, a monocular camera, a millimeter wave radar, and a laser radar, a road sign, a white road, a pedestrian crossing, a traffic light color, etc. All devices capable of recognizing other infrastructure facilities are included.
- traffic lights include traffic lights installed at railroad crossings, as well as travel propriety indicators on automobile lane switching roads, etc. where the travelable lane changes depending on the time of day. included.
- the failure degree determination unit 102 acquires failure information indicating that one or more of the various devices transmitted from the failure detection unit 101 have failed, identifies the failure state based on the acquired failure information, It is determined whether or not the failed device can be driven, and determination information is generated.
- the “failure degree” is information including a detailed failure state of the failed device, whether or not the failed device can be driven, and the cause of the failure.
- the operation instruction unit 103 acquires the determination information transmitted from the failure degree determination unit 102, generates an instruction signal to be output to the outside of the host vehicle, and outputs (transmits) the generated instruction signal.
- outside of the host vehicle includes other vehicles around the host vehicle, such as front, rear, left and right of the host vehicle, and traffic lights in front of the host vehicle in the traveling direction.
- the receiving unit 104 receives an instruction signal transmitted from the operation instruction unit 103 provided in another vehicle or the like.
- the travel route changing unit 105 obtains the determination information transmitted from the failure degree determination unit 102 and the reception information transmitted from the reception unit 104, so that the own vehicle equipped with the failed device may cause an accident with another vehicle or the like. Estimate no future route.
- the control ECU 106 is a device that drives and controls each component of the travel control device 100, and includes a storage device such as a CPU, ROM, and RAM, an input / output interface, and the like.
- FIG. 2 is a diagram illustrating a processing flow in the failure degree determination unit.
- the failure degree determination unit 102 includes a device drivability classification unit 102a and a drivable device cause extraction unit 102b.
- the device drive availability sorting unit 102a acquires failure states of various devices such as the external recognition unit 200 and the steering 300 detected by the failure detection unit 101, and classifies each of them as either drivable or not drivable. (Step S10).
- the non-driveable device cause extraction unit 102b extracts detailed failure information (step S11).
- Determination information is generated by the determination information generation unit 102c based on the extracted detailed failure information (step S12).
- the failure of the steering wheel 300 means that a driver turns a steering wheel to issue a turn command for avoiding an obstacle, turning a curve, or turning left or right, or when a vehicle that is driving automatically sends a turn command. No steering command is received, and the steering 300 does not work.
- the failure of the brake 400 means that the driver or the vehicle during automatic driving performs an operation of stepping on the pedal and issues a brake fluid pressure command, but does not accept the brake fluid pressure command value. It is stuck to a certain value and does not decelerate, and conversely, the brake 400 is not released.
- the failure of the engine 500 means that the engine speed cannot be increased, or that a vehicle having an engine automatic stop function such as an idle stop has a problem during function operation.
- the failure of the accelerator 600 means that the accelerator 600 is left in an open state even though the accelerator 600 is not stepped on, or conversely, even if a command is given to the accelerator 600 for acceleration. Do not accelerate.
- Table 1 an example relating to detailed failure information is shown in Table 1 below.
- the detailed failure information includes not only information on whether or not various devices can be driven but also information on what kind of failure the failure is.
- detailed failure information of the brake 400 includes information that the brake 400 is not effective and cannot be decelerated even though the driver or the autonomous driving vehicle transmits a command to the brake 400, or the brake 400 is effective. It is information that it has become a story.
- the detailed failure information of the accelerator 600 is information that the accelerator 600 cannot be opened and cannot be accelerated although the driver or the autonomous driving vehicle transmits a command to the accelerator 600, and conversely, the accelerator 600 It is information that it is left open and cannot be decelerated.
- the detailed failure information of the steering 300 is information that the driver or the autonomous driving vehicle cannot turn although the command is transmitted to the steering.
- the detailed failure information of the engine 500 is information that the valve cannot be opened based on a command sent from the accelerator 600 or the brake 400, or that the valve is operating normally but the engine speed does not increase. It is.
- information that the engine has stopped starting from the engine stop state is also included in the detailed failure information.
- the detailed failure information of the outside world recognition unit 200 includes outside world recognition that can obtain information that the distance from the surrounding obstacles cannot be obtained from the outside world recognition unit 200 that monitors the surroundings of the vehicle, and color information of the surrounding environment such as a camera. If it is part 200, it is information that the color information cannot be obtained.
- FIG. 3 is a diagram illustrating a processing flow in the travel route changing unit and the operation instruction unit.
- the travel route changing unit 105 includes a future route estimation unit 105a. Based on the determination information determined by the failure degree determination unit 102, which route the host vehicle including the failed device will pass in the future, that is, the future route Is estimated by the future route estimation unit 105a (step S20).
- the operation instruction unit 103 includes an instruction signal generation unit 103a and an instruction signal transmission unit 103b, and the future route of the host vehicle estimated by the future route estimation unit 105a is transmitted to the instruction signal generation unit 103a to be estimated.
- An instruction signal corresponding to the traffic situation is generated for other vehicles and infrastructure included in the route (step S30).
- the generated instruction signal is transmitted by inter-vehicle communication, road-to-vehicle communication, or the like according to the transmission destination via the instruction signal transmission unit 103b (step S31). Moreover, the method of communicating via a traffic management server may be sufficient.
- an example of the instruction signal transmitted is shown in Table 2 below.
- the host vehicle recognizes the surrounding situation and determines the failure level of the failed device. By transmitting an instruction signal determined accordingly to other vehicles, infrastructure devices, etc., it becomes possible to effectively prevent accidents and secondary disasters.
- FIG. 4 is a diagram showing a first embodiment of an automobile exclusive road to which the traveling control device 100 is applied.
- the vehicle 401 is the own vehicle in which a failure has occurred, and the preceding vehicles 402 and 403 exist around the failed vehicle and are traveling in the same direction.
- the failure degree determination unit 102 specifies that the detailed failure information of the brake 400 is “the brake fluid pressure does not occur and the vehicle cannot be decelerated”.
- the operation instruction unit 103 generates the avoidance path 411 based on the detailed failure information of the brake 400 determined by the failure degree determination unit 102.
- the preceding vehicle 402 exists on the avoidance route generated by the vehicle 401 based on the map data having the position information of the preceding vehicle 402 acquired from the outside recognition unit 200 mounted on the vehicle 401.
- the vehicle 401 causes the operation instruction unit 103 to instruct the preceding vehicle 402 to change the route, or to generate an instruction signal that prompts the route change, and transmits the generated instruction signal so that the secondary disaster caused by the collision can be prevented. Can be prevented.
- the vehicle 402 receives the instruction signal at the receiving unit 104. Based on the received instruction signal, the travel route changing unit 105 generates a travel route 412 for the vehicle 402 to avoid a collision with the failed vehicle 401.
- FIG. 5 is a diagram showing a second embodiment of an automobile exclusive road to which the traveling control device 100 is applied. This application example is a case where a failure that the accelerator 600 of the vehicle 501 cannot be closed occurs and other devices are normal.
- the faulty vehicle 501 confirms the presence of the preceding vehicle 502 in the external recognition unit 200, and generates an avoidance route 511 in the travel route changing unit 105 in order to avoid a collision with the preceding vehicle 502.
- an instruction to decelerate / stop the vehicle 501 does not obstruct the avoidance route generated by the failed vehicle 501.
- a signal is generated by the operation instruction unit 103 and transmitted.
- the other vehicles 502 and 503 that have received the deceleration / stop instruction signal perform the deceleration / stop operation without changing the travel route by the travel route changing unit 105 (the route of the other vehicle 502 is 512).
- FIG. 6 is a diagram showing a third embodiment of an automobile exclusive road to which the traveling control device 100 is applied. This application example is a case where a failure that the accelerator 600 of the vehicle 601 cannot be opened occurs and other devices are normal.
- the broken vehicle 601 Since the broken vehicle 601 cannot be further driven (accelerated), it searches the roadside zone that can be reached by inertia and other places that can be stopped by the outside recognition unit 200 and a map, and performs stop measures.
- the traveling route change unit 105 When the vehicle 602 receives an instruction signal for route change transmitted from the failed vehicle 601, the traveling route change unit 105 generates an avoidance route 612.
- an example of an instruction signal for changing the operation of the vehicle 603 includes an instruction to maintain the route.
- the lane change of the vehicle 603 is prohibited until the vehicle 603 overtakes the failed vehicle 601.
- FIG. 7 is a diagram showing a first embodiment of an intersection to which the traveling control device 100 is applied.
- the traveling control device 100 is applied to an intersection.
- the vehicle 701 is a host vehicle that has failed.
- the vehicle 701 has a brake failure in which the brake 400 has stopped operating, and is unable to perform deceleration measures.
- the signal of the traveling direction of the host vehicle indicates red (cannot travel), and the signal of the intersecting direction indicates blue (can proceed), and the other vehicles 702 and 704 stop before the intersection and intersect.
- the other vehicle 703 traveling on the road is about to enter the intersection.
- the failure detection unit 101 detects a brake failure, and the failure degree determination unit 102 identifies the failure state that the vehicle 701 is a failure in which the brake 400 does not operate.
- the presence of the forward vehicles 702 and 704 is confirmed by the external recognition unit 200 mounted on the vehicle 701, and the avoidance route 711 is generated by the travel route changing unit 105.
- This avoidance route 711 includes an intersection approach, and if the failed vehicle 701 proceeds as it is according to the avoidance route 711, there is a very high possibility of causing a collision accident with the intersection traveling vehicle 703.
- the faulty vehicle may transmit a deceleration / stop instruction signal directly to the vehicle traveling in the crossing direction by inter-vehicle communication.
- FIG. 8 is a diagram showing a second embodiment of an intersection to which the traveling control device 100 is applied.
- the traveling control device 100 is applied.
- the vehicle 803 is going straight on the intersection A
- the vehicle 801 is stopped at the intersection B ahead.
- the faulty vehicle 801 sends a deceleration / stop instruction signal to other surrounding vehicles through inter-vehicle communication.
- the vehicle 803 was going to travel on the route going straight on the intersection A, but when the instruction signal for changing the operation transmitted by the failed vehicle 801 is received, the traveling route change unit 105 makes a left turn on the intersection A. Or detours such as turning right.
- the instruction signal for changing the operation in each application example described above is that the faulty vehicle transmits an instruction signal for the operation command desired to the surrounding vehicle or infrastructure device. It is also possible to transmit only the degree information and execute the operation judgment in the other vehicle or the infrastructure device that has received the failure degree information.
- the travel control device 100 is basically in an operable state, the user may be able to select whether the travel control device 100 can be operated by using NAVI or a port switch. .
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Abstract
Description
図1は本発明の走行制御装置を含む車両の構成図である。
走行制御装置100は、故障検知部101、故障度合い判断部102、動作指示部103、受信部104、走行経路変更部105、および制御ECU106を備えている。
ここで、外界認識部200には、ステレオカメラや単眼カメラ、ミリ波レーダ、レーザレーダといった、車両と車両周囲の障害物間の距離のほか、道路標識や道路白線、横断歩道、信号機灯色などのインフラ設備を認識できる装置の全般が包含される。
図2は故障度合い判断部における処理フローを示した図である。
故障度合い判断部102は、デバイス駆動可否仕分部102aと駆動不可デバイス原因抽出部102bを備えている。
ここで、詳細な故障情報に関する一例を以下の表1に示す。
図3は走行経路変更部と動作指示部における処理フローを示した図である。
走行経路変更部105は将来経路推定部105aを備えており、故障度合い判断部102において判断された判断情報に基づいて、故障デバイスを具備する自車両が将来どの経路を通過するか、すなわち将来経路を将来経路推定部105aにて推定する(ステップS20)。
ここで、以下の表2に、発信される指示信号の一例を示す。
図4は走行制御装置100が適用される自動車専用道路の実施の形態1を示した図である。
この適用例では、車両401は故障を起こした自車両であり、故障車両の周囲には先行車402、403が存在し、同一方向に走行しているとする。
図5は走行制御装置100が適用される自動車専用道路の実施の形態2を示した図である。
この適用例は、車両501のアクセル600が閉じなくなったという故障が発生し、その他のデバイスは正常であるといったケースである。
図6は走行制御装置100が適用される自動車専用道路の実施の形態3を示した図である。
この適用例は、車両601のアクセル600が開かなくなったという故障が発生し、その他のデバイスが正常であるといったケースである。
その際、周囲車両への情報発信として、まず、故障車両601より前方を走る先行車両が存在する場合は先行車両と故障車両601との車間距離と相対速度に基づいて、衝突危険があれば、故障車両601は先行車両に対して動作変更の指示信号を発信する。
図7は走行制御装置100が適用される交差路の実施の形態1を示した図である。
この適用例は、走行制御装置100を交差路に適用するものである。ここで、車両701は故障を起こした自車両とする。
図8は走行制御装置100が適用される交差路の実施の形態2を示した図である。
この適用例は、車両803が交差路Aを直進する予定でいる際に、その先の交差路Bで車両801が故障して停車しているケースである。
101 故障検知部
102 故障度合い判断部
103 動作指示部
104 受信部
105 走行経路変更部
106 制御ECU
200 外界認識部
300 ステアリング
400 ブレーキ
500 エンジン
600 アクセル
700 NAVI
Claims (5)
- 自車両を運転支援する各種のデバイスの故障の有無を検知する故障検知部と、
前記故障検知部にていずれかのデバイスが故障したことが検知された際に、該デバイスの故障状態を特定し、該デバイスの駆動の可否を判断する故障度合い判断部と、
前記故障度合い判断部による判断情報に基づき、他車両の動作変更のための指示信号を生成し、該指示信号を自車両外部に出力する動作指示部と、を備えている車両の走行制御装置。 - 請求項1に記載の車両の走行制御装置において、
前記自車両は外界認識部を備えており、
前記走行制御装置は、他車両から出力される前記指示信号を受信する受信部と、前記外界認識部からの外界情報と前記判断情報に基づいて自車両の衝突回避経路を作成する走行経路変更部とをさらに備えている車両の走行制御装置。 - 請求項1または2に記載の車両の走行制御装置において、
前記指示信号の出力先が信号機の場合、自車両が存在している位置の前後の信号機を赤色点灯とする指示信号を出力する、もしくは赤色信号の点灯期間を長く設定する指示信号を出力する車両の走行制御装置。 - 請求項1または2に記載の車両の走行制御装置において、
前記指示信号の出力先が他車両の場合、他車両が自車両の走行経路上に進入するのを制限することに加えて、自車両が停止もしくは通過する位置を含む指示信号を出力する車両の走行制御装置。 - 請求項4に記載の車両の走行制御装置において、
自車両はさらに、前記走行経路変更部にて予め定めた目的地までの走行経路を変更するようになっており、
前記他車両から前記指示信号を受信した際に、該他車両の停止位置情報に基づいて前記走行経路変更部にて走行経路を変更する車両の走行制御装置。
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EP15807514.3A EP3156988B1 (en) | 2014-06-12 | 2015-06-01 | Device for controlling vehicle travel |
US15/309,939 US10431091B2 (en) | 2014-06-12 | 2015-06-01 | Device for controlling vehicle travel |
CN201580028580.8A CN106463063A (zh) | 2014-06-12 | 2015-06-01 | 车辆的行驶控制装置 |
JP2016527746A JPWO2015190329A1 (ja) | 2014-06-12 | 2015-06-01 | 車両の走行制御装置 |
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Also Published As
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JPWO2015190329A1 (ja) | 2017-04-20 |
US20170162051A1 (en) | 2017-06-08 |
EP3156988A1 (en) | 2017-04-19 |
JP2018156667A (ja) | 2018-10-04 |
JP6608992B2 (ja) | 2019-11-20 |
CN106463063A (zh) | 2017-02-22 |
EP3156988A4 (en) | 2018-06-27 |
EP3156988B1 (en) | 2022-11-23 |
US10431091B2 (en) | 2019-10-01 |
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