WO2017163614A1 - 車両制御装置 - Google Patents
車両制御装置 Download PDFInfo
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- WO2017163614A1 WO2017163614A1 PCT/JP2017/003261 JP2017003261W WO2017163614A1 WO 2017163614 A1 WO2017163614 A1 WO 2017163614A1 JP 2017003261 W JP2017003261 W JP 2017003261W WO 2017163614 A1 WO2017163614 A1 WO 2017163614A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
-
- 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
-
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
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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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/095—Predicting travel path or likelihood of collision
- B60W30/0956—Predicting travel path or likelihood of collision the prediction being responsive to traffic or environmental parameters
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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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/14—Adaptive cruise control
- B60W30/16—Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
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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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
- B60W40/04—Traffic conditions
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/167—Driving aids for lane monitoring, lane changing, e.g. blind spot detection
-
- 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
- B60W2554/80—Spatial relation or speed relative to objects
- B60W2554/801—Lateral distance
Definitions
- the present invention relates to a vehicle control device for merging from a merging lane to a main lane by automatic driving.
- Patent Document 1 A driving support device that sets an appropriate acceleration of a host vehicle based on the driving state of another vehicle on the main line when merging from the merging lane to the main line on an expressway or the like is known.
- Patent Document 2 there are a method for acquiring information on the external environment related to the vehicle by communication and a method for acquiring the information by a sensor mounted on the vehicle.
- Patent Document 1 it is a problem to not only accelerate to an appropriate speed when actually joining, but also grasp the behavior of surrounding vehicles and confirm whether there is a space where the own vehicle can safely join. Obviously, in the case of Patent Document 1, it is a problem to not only accelerate to an appropriate speed when actually joining, but also grasp the behavior of surrounding vehicles and confirm whether there is a space where the own vehicle can safely join. Obviously, in the case of Patent Document 1, it is a problem to not only accelerate to an appropriate speed when actually joining, but also grasp the behavior of surrounding vehicles and confirm whether there is a space where the own vehicle can safely join. Become.
- Patent Document 2 has the following advantages and disadvantages.
- the method of acquiring information on the external environment through communication has an advantage that relatively high information accuracy or reliability can be expected in the sense that the information is objective information.
- the method of acquiring information on the external environment using a sensor has an advantage that information can be obtained regardless of whether or not an object existing in the vicinity supports communication.
- information from the sensor mounted on the host vehicle there is concern about accuracy or reliability in the sense that it is not objective information. Further, if the accuracy of detection by the sensor is to be improved, the calculation load increases.
- An object of the present invention is to provide a vehicle control apparatus that can appropriately grasp the external environment while suppressing an excessive calculation load by taking advantage of the above two methods.
- the vehicle control device of the present invention that solves the above-described problem includes an other vehicle information acquisition unit that acquires information of another vehicle by communication, and an external environment recognition unit that recognizes the external environment of the host vehicle by sensing, and the external environment recognition unit Is characterized by sensing the space surrounding the other vehicle around the other vehicle based on the information on the other vehicle acquired by the other vehicle information acquiring unit.
- FIG. 1 shows a block diagram of the vehicle control device.
- the vehicle control device 01 includes other vehicle information acquisition unit 02 that performs communication (C2X) such as inter-vehicle communication (C2C) and road-to-vehicle communication (C2I), and various sensors such as a radar and a camera.
- C2X communication
- C2C inter-vehicle communication
- C2I road-to-vehicle communication
- sensors such as a radar and a camera.
- the external environment recognition unit 03 that acquires the information status of the vehicle, and the vehicle surrounding information management that manages the vehicle and road conditions around the vehicle by integrating the information from the other vehicle information acquisition unit 02 and the information from the external environment recognition unit 03 Unit 04, own vehicle behavior recognition unit 05 that detects the state of the host vehicle such as position, speed, acceleration, and yaw rate, and information from the own vehicle surrounding information management unit 04 and own vehicle behavior recognition unit 05
- the route generation unit 06 determines a route.
- the other vehicle information acquisition unit 02 acquires information on other vehicles by communication (C2X).
- the other vehicle information acquisition unit 02 acquires information on the behavior of surrounding vehicles such as position, speed, acceleration, and yaw rate (information on other vehicles) by inter-vehicle communication (C2C). That is, vehicle information transmitted from another vehicle is acquired by inter-vehicle communication.
- roadside-to-vehicle communication (C2I) provides information such as the position, speed, and acceleration of vehicles traveling on the road obtained by analyzing information from sensors such as radar and cameras. get. That is, information on other vehicles transmitted from the road equipment is acquired by road-to-vehicle communication.
- the other vehicle information acquisition unit 02 acquires information on other vehicles existing in the other vehicle information detection range A2 of 300 m to 500 m around the host vehicle, for example.
- the other vehicle includes, for example, a vehicle that travels on a road that merges with a road on which the host vehicle travels, and a vehicle that travels on a lane adjacent to the lane on which the host vehicle travels.
- the communication (C2X) pattern in this embodiment includes (1) vehicle-to-vehicle communication only (C2C), (2) vehicle-to-vehicle communication and road-to-vehicle communication (C2C + C2I), and (3) road-to-vehicle communication ( There are three patterns: only C2I).
- CAM Cooperative Awareness Message
- CAM is a message used mainly for safety-related services of collaborative ITS, and is exchanged between ITS-S (ITS stations) to create and maintain mutual recognition and support cooperation in the road network Is done.
- the CAM includes the state and attribute information of the transmission source ITS-S, and the contents differ depending on the type of ITS-S.
- the state information includes time, position, operation state, and the like
- the attribute information includes data on dimensions, vehicle types, and roles in road traffic and the like.
- the receiving ITS-S can acquire the recognition, type, and state of the source ITS-S by receiving the CAM.
- the CAM parameter includes a basic container, a vehicle ITS-S container, and a special vehicle container.
- the basic container describes the type of the source ITS-S and the latest geographical location of the source ITS-S as basic information of the source ITS-S.
- the vehicle ITS-S container includes a high frequency container and a low frequency container.
- the high-frequency container describes the dynamic state information of the vehicle ITS-S such as the direction, speed, and acceleration
- the low-frequency container describes the container classification of the special vehicle, external lighting, and the like.
- the special container is a container for the vehicle ITS-S having a special role in road traffic such as public transport.
- the outside world recognition unit 03 recognizes the outside world of the vehicle by sensing.
- the external environment recognition unit 03 can acquire relative positions and states of vehicles, obstacles, road signs, and the like around the vehicle from sensors such as cameras and radars mounted on the vehicle.
- the outside world recognition unit 03 can recognize, for example, an outside world recognition detection range A1 of 70 m to 100 m around the host vehicle. Based on the information on the other vehicle acquired by the other vehicle information acquisition unit 02, the outside world recognition unit 03 can sense the other vehicle and sense the surrounding space around the other vehicle.
- the external recognition unit 30 senses and confirms an object such as another vehicle that already knows its presence by communication (C2X), but the space around the object is already known by communication. Sensing is given priority over sensing of objects. Then, sensing is performed focusing on the space around the object. For example, sensing is performed in more detail by increasing the frequency of processing on the surroundings of an object whose presence is already known through communication (C2X) or changing resources.
- the own vehicle surrounding information management unit 04 integrates the information from the other vehicle information acquisition unit 02 and the information from the external world recognition unit 03 and manages the information as own vehicle surrounding information.
- the other vehicle information acquisition unit 02 can acquire information on the surrounding vehicles and roads in the other vehicle information detection range A2 that is wider than the outside world recognition detection range A1 of the outside world recognition unit 03. 02, the vehicle surrounding information in the other vehicle information detection range A2 is acquired, and then the vehicle surrounding information obtained by the other vehicle information acquisition unit 02 when the vehicle enters the outside recognition detection range A1 of the outside recognition unit 03.
- the vehicle periphery information can be more efficiently Can be detected.
- the own vehicle behavior recognition unit 05 obtains information such as a yaw rate, a wheel speed, a steering angle, and an acceleration representing the behavior of the own vehicle from, for example, a gyro sensor, a wheel speed sensor, a rudder angle sensor, and an acceleration sensor mounted on the own vehicle. It is possible to obtain.
- the route generation unit 06 for example, at the time of merging from the merging lane to the main line, based on the information from the own vehicle surrounding information management unit 04 and the information from the own vehicle behavior recognition unit 05, the main line on which the own vehicle can join. Is sensed, and a route for entering the mergeable space is determined. Then, according to the determined route, a control signal is transmitted to perform vehicle control in the vertical direction such as the accelerator and brake of the host vehicle and in the horizontal direction such as steering.
- the route generation unit 06 may change the assumed mergeable space due to acceleration / deceleration or lane change of other vehicles. Therefore, the mergeable space is sensed continuously based on information from the vehicle surrounding information management unit 04 and the vehicle behavior recognition unit 05, and a route is generated again when the mergeable space has changed.
- Acceleration is performed by setting the target speed of the host vehicle F01 based on the behavior of the other vehicle on the main line La obtained here to match the flow of the other vehicle on the main line La.
- the speed limit of the own vehicle F01 is set to the target speed and acceleration is performed.
- F04 existing behind the vehicle F03 is another space that can be merged.
- the set speed of the host vehicle F01 is changed so that it can join the other space F04.
- another space that can be merged behind the space F04 and within the merge section is also searched and listed as a candidate space that can be merged.
- the lane change (merging) of the own vehicle F01 by the turn signal (direction indicator) of the own vehicle F01 or the inter-vehicle communication or the like it may be possible to secure a space where the vehicle F03 on the main line La can merge by decelerating or changing lanes. For this reason, when a space that can be merged cannot be found, a space that can be merged if the rear vehicle F03 decelerates or changes lanes from the position closer to the merge start point Ps again is listed as a merge candidate space. .
- a candidate space that can be merged on the main line La gradually enters the detection range A1 of the external recognition sensor.
- the outside world recognition unit 03 senses a space candidate F04 that can be preferentially joined within the detection range of the outside world recognition sensor, and there is no vehicle that could not be detected by inter-vehicle communication or road-to-vehicle communication. For other vehicles that existed and were detected in the vehicle, after verifying that the mergeable space has not changed due to acceleration / deceleration or lane change of the other vehicle, if the vehicle can continue to merge, the route to enter the mergeable space And control the vehicle to join.
- the external environment recognition unit 03 confirms the other vehicle whose existence is known by communication (C2X) by sensing, but for example, for other spaces around the vehicle such as the candidate F04, the sensing is performed with priority. Then, sensing is changed more frequently than other vehicles by changing the frequency and resources of the detection process. For example, when sensing with a camera image, the candidate F04 is sensed by increasing the imaging speed or the accuracy of image processing.
- C2X communication
- the other vehicle information acquisition unit 02 can select any one of (1) vehicle-to-vehicle communication only (C2C), (2) both vehicle-to-vehicle communication and road-to-vehicle communication (C2C + C2I), and (3) road-to-vehicle communication (C2I) only.
- C2C vehicle-to-vehicle communication only
- C2C + C2I vehicle-to-vehicle communication
- C2I road-to-vehicle communication
- the accuracy of the information is compared with the case of (3) road-to-vehicle communication (C2I) only. Therefore, sensing for other vehicles will be even easier than (3) road-to-vehicle communication (C2I) only, and the sensing of surrounding areas other than other vehicles may be more focused. Good.
- a candidate for a space that can be merged is searched (S103), accelerated so as to be merged with a space candidate that can be merged (S104), a lane change signal is signaled by winker-vehicle communication (S105), and the outside world Sensing of space candidates that can be merged by the recognition unit 03 is performed (S106).
- a candidate for a space where the host vehicle can join is detected based on information on other vehicles in the vicinity obtained by inter-vehicle communication and road-to-vehicle communication, and external recognition by the sensor is performed.
- the candidate space that can be joined is verified. Therefore, when merging on a highway or the like, it is possible not only to accelerate to an appropriate speed, but also to grasp the behavior of surrounding vehicles and confirm whether there is a space where the merging can be performed safely.
- the lane change on the main line can also be implemented by control similar to the merge.
- An example of the control contents will be described below.
- the external environment recognition unit 03 senses a space between the other vehicles between the plurality of other vehicles. For example, as shown in FIG. 7, the host vehicle F01 is on the travel lane La2 of the main line La, and the other vehicles F02 and F03 on the overtaking lane La1 of the lane change destination are within the detection range A1 of the outside recognition unit 03.
- the other vehicles F04 and F05 are outside the detection range A1 of the outside recognition unit 03, the other vehicles F02, F03, F04, F05 on the overtaking lane La1 and road conditions are determined by information from the own vehicle surrounding information management unit 04. Is detected.
- the speed of the host vehicle F01 is adjusted to change the lane to the inter-vehicle space F06, and the other-vehicle space F06 in which the lane can be changed is within the detection range A1 of the external recognition unit 03 as shown in FIG. If it can be preferentially sensed and it can be confirmed that the inter-vehicle space F06 capable of changing lanes can be secured, a route entering the other inter-vehicle space F06 is determined, and vehicle control for changing the lane is performed. On the other hand, if the space between other vehicles that can change lanes cannot be confirmed, the same procedure is performed on the rear candidate space.
- the present invention is not limited to the above-described embodiments, and various designs can be made without departing from the spirit of the present invention described in the claims. It can be changed.
- the above-described embodiment has been described in detail for easy understanding of the present invention, and is not necessarily limited to one having all the configurations described.
- a part of the configuration of an embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of an embodiment.
Abstract
Description
例えば、通信によって外部環境の情報を取得する方法では、客観的な情報であるという意味において、比較的高い情報の精度又は信頼性を期待することができるという長所がある。但し、外部環境に存在する物体が通信に対応したものでない場合には、情報を当然に得ることができないという短所がある。
本発明に関連する更なる特徴は、本明細書の記述、添付図面から明らかになるものである。また、上記した以外の、課題、構成及び効果は、以下の実施形態の説明により明らかにされる。
[実施例1]
図1は、車両制御装置のブロック図を示している。車両制御装置01は、車車間通信(C2C)及び路車間通信(C2I)等の通信(C2X)を行う他車両情報取得部02と、レーダやカメラなどの各種センサから自車周辺の車両や道路の情報状況を取得する外界認識部03と、他車両情報取得部02からの情報と外界認識部03からの情報を統合して自車周辺の車両及び道路の状況を管理する自車周辺情報管理部04と、位置、速度、加速度、ヨーレート等自車両の状態を検知する自車挙動認識部05と、自車周辺情報管理部04および自車挙動認識部05からの情報を基に自車両の経路を決定する経路生成部06で構成される。
経路生成部06は、例えば合流車線から本線への合流の際に、自車周辺情報管理部04からの情報と自車挙動認識部05からの情報をもとに、自車両が合流可能な本線の合流可能空間(自車両が進入する進入空間)をセンシングして、その合流可能空間に進入するための経路を決定する。そして、決定した経路に従い、制御信号を送信し、自車両のアクセル、ブレーキなどの縦方向およびステアリングなどの横方向の車両制御を行う。
合流可能な空間の候補を確認できなければ、さらに後方の空間の候補に対して同様の手順を実施する。
車車間・路車間通信により、本線La上の他車両の情報を取得したかが判断され(S101)、取得した場合には(S101でYES)、本線Laを走行中の他車両の速度に合わせて加速し(S102)、取得できなかった場合には(S101でNO)、本線Laの制限速度に合わせて加速する(S109)。
本線上での車線変更についても合流に類似の制御にて実施することができる。以下にその制御内容の一例について説明する。
本実施例では、他車両情報取得部02が前後に並ぶ複数の他車両の情報を取得した場合、外界認識部03が複数の他車両の間の他車両間空間をセンシングする。例えば、図7に示すように、本線Laの走行車線La2上に自車両F01があり、車線変更先の追越車線La1上の他車両F02およびF03が外界認識部03の検知範囲A1内に存在し、他車両F04およびF05が外界認識部03の検知範囲A1外にある場合、自車周辺情報管理部04からの情報により追越車線La1上の他車両F02,F03,F04,F05及び道路状況を検知する。
一方、車線変更可能な他車両間空間を確認できなければ、さらに後方の候補空間に対して同様の手順を実施する。
Claims (10)
- 他車両の情報を通信によって取得する他車両情報取得部と、
センシングにより自車両の外界認識を行う外界認識部と、を備え、
前記外界認識部は、前記他車両情報取得部によって取得された前記他車両の情報に基づいて、前記他車両の周囲の他車両周囲空間をセンシングすることを特徴とする車両制御装置。 - 前記センシングの結果に基づいて、前記自車両が進入する進入空間を決定することを特徴とする請求項1に記載の車両制御装置。
- 前記他車両周囲空間に前記自車両が進入するのに障害となる障害物が存在するか否かを判断することを特徴とする請求項1に記載の車両制御装置。
- 前記外界認識部は、前記他車両よりも前記他車両周囲空間の方を優先してセンシングする
ことを特徴とする請求項1に記載の車両制御装置。 - 前記他車両情報取得部が前後に並ぶ複数の他車両の情報を取得した場合、前記外界認識部が前記複数の他車両の間の他車両間空間をセンシングすることを特徴とする請求項1に記載の車両制御装置。
- 前記他車両は、前記自車両が走行する道路に合流する道路を走行する車両であることを特徴とする請求項1に記載の車両制御装置。
- 前記他車両は、前記自車両が走行する車線の隣接車線を走行する車両であることを特徴とする請求項1に記載の車両制御装置。
- 前記他車両情報取得部は、前記他車両から送信される該他車両の情報を車車間通信によって取得することを特徴とする請求項1に記載の車両制御装置。
- 前記他車両情報取得部は、路上設備から送信される前記他車両の情報を路車間通信によって取得することを特徴とする請求項1に記載の車両制御装置。
- 前記外界認識部は、前記他車両の情報に基づいて前記自車両が進入する進入空間の候補を抽出し、前記センシングの結果に応じて前記進入空間を決定することを特徴とする請求項1に記載の車両制御装置。
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US16/076,055 US10902725B2 (en) | 2016-03-25 | 2017-01-31 | Vehicle control device |
EP17769661.4A EP3435354A4 (en) | 2016-03-25 | 2017-01-31 | VEHICLE CONTROL DEVICE |
JP2018507092A JP6556939B2 (ja) | 2016-03-25 | 2017-01-31 | 車両制御装置 |
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WO2020016621A1 (ja) | 2018-07-16 | 2020-01-23 | 日産自動車株式会社 | 走行支援方法及び走行支援装置 |
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US20210237738A1 (en) * | 2020-02-05 | 2021-08-05 | Honda Motor Co., Ltd. | Vehicle control device, vehicle control method, and storage medium |
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US10902725B2 (en) | 2021-01-26 |
EP3435354A4 (en) | 2019-11-27 |
JP6556939B2 (ja) | 2019-08-07 |
US20200098266A1 (en) | 2020-03-26 |
EP3435354A1 (en) | 2019-01-30 |
JPWO2017163614A1 (ja) | 2018-11-22 |
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