JP7294185B2 - 運転支援方法及び運転支援装置 - Google Patents
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- 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
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- B60W30/181—Preparing for stopping
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
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- B60T13/585—Combined or convertible systems comprising friction brakes and retarders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/58—Combined or convertible systems
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- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
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- B60T7/22—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
- B60T2201/02—Active or adaptive cruise control system; Distance control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
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- B60T2270/604—Merging friction therewith; Adjusting their repartition
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
- B60W2510/0208—Clutch engagement state, e.g. engaged or disengaged
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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
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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
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- B60W2554/80—Spatial relation or speed relative to objects
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/18—Braking system
-
- 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
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
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- G—PHYSICS
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
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- G01S2013/9325—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles for inter-vehicle distance regulation, e.g. navigating in platoons
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- Radar, Positioning & Navigation (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Regulating Braking Force (AREA)
Description
車両の運転を支援する運転支援方法であって、
車両を減速させる減速ステップと、
予測停車位置が目標停車位置よりも所定閾値以上手前側にある場合、減速制御を行う第1状態から、加速制御を行う第2状態へと状態遷移させて停車位置を調整する停車位置調整ステップと、
を含む。
車両の運転を支援する運転支援装置であって、
予測停車位置が目標停車位置よりも所定閾値以上手前側にあるか否かを判定する判定部と、
予測停車位置が目標停車位置よりも所定閾値以上手前側にある場合、減速制御を行う第1状態から、加速制御を行う第2状態へと状態遷移させて停車位置を調整する停車位置調整部と、
を備える。
まず、本開示の一実施の形態に係る運転支援装置を含む車両の構成について説明する。
次に、本実施の形態によるACC時の減速制御について説明する。
すると、図4Bの点線L0で示したように、走行距離Dが大きくなるほど、自車速度vは小さくなり、目標停止車間距離Dstopになった時点t3で自車速度vは0になるはずである。なお、点線L0は、基本減速度α0で減速したときの目標速度vと走行距離Dとの関係を示したものである。
図5は、本実施の形態の運転支援装置30の構成を示すブロック図である。
以上説明したように、本実施の形態によれば、予測停車位置が目標停車位置よりも所定閾値以上手前側にある場合、減速制御を行う第1状態から、加速制御を行う第2状態へと状態遷移させて停車位置を調整するようにしたことにより、ACCを行う場合に、自車両を目標停車位置に近い位置で停車させることができるようになる。
2 トレーラー
3 車両本体部
10 駆動系統
11 エンジン
12 クラッチ
13 変速機
14 推進軸
15 差動装置
16 駆動軸
17 車輪
18 エンジン用ECU
19 動力伝達用ECU
20 制動系統
21 常用ブレーキ
22 リターダー
23 排気ブレーキ
24 ブレーキ用ECU
30 運転支援装置
101 車間距離検出部
102 相対速度検出部
111 目標加減速度出力部
112 判定部
113 停車位置調整制御部
Claims (6)
- 車両の運転を支援する運転支援方法であって、
車両を減速させる減速ステップと、
予測停車位置が目標停車位置よりも所定閾値以上手前側にある場合、減速制御を行う第1状態から、加速制御を行う第2状態へと状態遷移させて停車位置を調整する停車位置調整ステップと、
を含み、
自車速度が所定値以下のときに前記第1状態から前記第2状態への状態遷移を行う場合には、エンジンの動力を車輪に伝達する経路に設けられたクラッチが断であれば、前記クラッチが半接合又は接合状態となるまでブレーキ指示を維持する、
運転支援方法。 - 自車速度が所定値以下のときに前記第1状態から前記第2状態への状態遷移を行う場合に、前記クラッチが半接合又は接合状態であれば、ブレーキ指示を解除して加速制御を行う、
請求項1に記載の運転支援方法。 - 自車速度が所定値以上となったときに前記加速制御を終了し、次に減速制御を行う、
請求項1又は2に記載の運転支援方法。 - 車両の運転を支援する運転支援装置であって、
予測停車位置が目標停車位置よりも所定閾値以上手前側にあるか否かを判定する判定部と、
予測停車位置が目標停車位置よりも所定閾値以上手前側にある場合、減速制御を行う第1状態から、加速制御を行う第2状態へと状態遷移させて停車位置を調整する停車位置調整部と、
を備え、
前記停車位置調整部は、
自車速度が所定値以下のときに前記第1状態から前記第2状態への状態遷移を行う場合には、エンジンの動力を車輪に伝達する経路に設けられたクラッチが断であれば、前記クラッチが半接合又は接合状態となるまでブレーキ指示を維持する、
運転支援装置。 - 前記停車位置調整部は、
自車速度が所定値以下のときに前記第1状態から前記第2状態への状態遷移を行う場合に、前記クラッチが半接合又は接合状態であれば、ブレーキ指示を解除して加速制御を行う、
請求項4に記載の運転支援装置。 - 前記停車位置調整部は、
自車速度が所定値以上となったときに前記加速制御を終了し、次に減速制御を行う、
請求項4又は5に記載の運転支援装置。
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JP2020034395A JP7294185B2 (ja) | 2020-02-28 | 2020-02-28 | 運転支援方法及び運転支援装置 |
PCT/JP2021/007295 WO2021172502A1 (ja) | 2020-02-28 | 2021-02-26 | 運転支援方法及び運転支援装置 |
US17/801,537 US20230331228A1 (en) | 2020-02-28 | 2021-02-26 | Driving assistance method and driving assistance device |
CN202180016444.2A CN115151465A (zh) | 2020-02-28 | 2021-02-26 | 驾驶辅助方法以及驾驶辅助装置 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012121405A (ja) | 2010-12-07 | 2012-06-28 | Toyota Motor Corp | 車両制御装置 |
JP2014151797A (ja) | 2013-02-08 | 2014-08-25 | Toyota Motor Corp | 運転支援装置 |
WO2018066024A1 (ja) | 2016-10-03 | 2018-04-12 | 本田技研工業株式会社 | 車両制御装置 |
WO2019003302A1 (ja) | 2017-06-27 | 2019-01-03 | 本田技研工業株式会社 | 車両制御装置 |
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