JP2020501982A - 垂直方向加速度センサ及び長手方向加速度センサを使用して車両速度を特定する方法及びシステム - Google Patents
垂直方向加速度センサ及び長手方向加速度センサを使用して車両速度を特定する方法及びシステム Download PDFInfo
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- B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
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- 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
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- B60W40/076—Slope angle of the road
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- 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
- B60W40/10—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 vehicle motion
- B60W40/107—Longitudinal acceleration
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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
- B60T2250/00—Monitoring, detecting, estimating vehicle conditions
- B60T2250/04—Vehicle reference speed; Vehicle body speed
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- 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
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/402—Back-up
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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
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/413—Plausibility monitoring, cross check, redundancy
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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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
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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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
- B60W2520/105—Longitudinal acceleration
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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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/28—Wheel speed
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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
- B60W2552/00—Input parameters relating to infrastructure
- B60W2552/15—Road slope, i.e. the inclination of a road segment in the longitudinal direction
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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
- B60W2556/00—Input parameters relating to data
- B60W2556/45—External transmission of data to or from the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/10—Longitudinal speed
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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
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/10—Longitudinal speed
- B60W2720/106—Longitudinal acceleration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
- B60Y2400/303—Speed sensors
- B60Y2400/3032—Wheel speed sensors
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- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
- B60Y2400/304—Acceleration sensors
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- Automation & Control Theory (AREA)
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- Mathematical Physics (AREA)
- Regulating Braking Force (AREA)
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- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
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Abstract
Description
本明細書で説明する方法及びシステムによれば、加速度入力に基づく車両速度計算が提供され、電子スタビリティコントローラ(横滑り防止装置)又はブレーキコントローラモジュールに破局的故障が発生したときに、車両を安全な場所まで制御するためにこれを用いることができる。
最新の車両動的制御システム、例えば、アンチロックブレーキングシステム(ABS)、電子スタビリティコントローラ(ESC、横滑り防止装置)、先進運転支援モジュール(ADAS)によって、車両の安全性が改善されてきた。これらの動的制御システムの性能は、車両速度といった様々な車両パラメータの精度にある程度までは依拠しており、車両速度は多くの場合には、1つ又は複数の車両センサからの入力に基づき推定又は特定される。
Ax=Ax(慣性)+/−g*(Sin(θ)) (1)
Az=g*Cos(θ) (2)
θ=道路傾斜角
Ax(慣性)=Ax(センサから)+/−g*Sin(InvCos(Az/g))
(3)
V(t)=V(0)+積分(Ax(t)dt)
Claims (10)
- 車両の車両速度を特定するシステムであって、当該システムは、
通信バスと、
前記通信バスに接続され、第1の車両速度を特定するための車輪速度センサを含む、電子スタビリティコントローラと、
前記通信バスに接続され、前記車両の垂直方向加速度を検出するための垂直方向加速度センサと前記車両の長手方向加速度を検出するための長手方向加速度センサとを含む、乗員拘束コントローラと、
前記通信バスに接続された動作コントローラと、
を備えており、
前記動作コントローラは、
前記車両の前記垂直方向加速度と前記長手方向加速度とを用いて第2の車両速度を特定し、
前記第1の車両速度と前記第2の車両速度との差が閾値よりも小さければ、前記第2の車両速度を有効にし、
前記第1の車両速度と前記第2の車両速度との差が閾値よりも大きければ、前記第1の車両速度を用いる、
車両の車両速度を特定するシステム。 - 前記動作コントローラは、前記電子スタビリティコントローラが前記通信バスから切り離されたときに、前記車両を減速させるために前記第2の車両速度を用いる、
請求項1に記載のシステム。 - 前記動作コントローラはさらに、前記車両を減速させるために、運転支援モジュールから制御信号を受け取るように構成されている、
請求項2に記載のシステム。 - 前記制御信号は、前記第2の車両速度に基づき生成される、
請求項3に記載のシステム。 - 前記動作コントローラはさらに、前記車両が移動中の路面の勾配を特定するように構成されている、
請求項4に記載のシステム。 - 車両の車両速度を特定する方法であって、
車輪速度センサにより第1の車両速度を特定することと、
垂直方向加速度センサにより前記車両の垂直方向加速度を検出することと、
長手方向加速度センサにより前記車両の長手方向加速度を検出することと、
前記車両の前記垂直方向加速度と前記長手方向加速度とを用いて第2の車両速度を特定することと、
前記第1の車両速度と前記第2の車両速度との差が閾値よりも小さければ、前記第2の車両速度を用いることと、
前記第1の車両速度と前記第2の車両速度との差が前記閾値よりも大きければ、前記第1の車両速度を用いることと、
を含む、
車両の車両速度を特定する方法。 - 電子スタビリティコントローラに破局的故障が発生したときに、前記第2の車両速度を用いて前記車両を減速させることをさらに含む、
請求項6に記載の方法。 - 動作コントローラにより、前記車両の1つ又は複数のブレーキを動作させて前記車両を減速させることをさらに含む、
請求項7に記載の方法。 - 前記動作コントローラにより、前記第2の車両速度に基づき生成された制御信号を運転支援モジュールから受け取ることをさらに含む、
請求項8に記載の方法。 - 前記運転支援モジュールにより、前記車両が動作中の路面の勾配を特定することをさらに含む、
請求項9に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/389,641 US10518757B2 (en) | 2016-12-23 | 2016-12-23 | Method and system for determining vehicle speed using vertical and longitudinal acceleration sensors |
US15/389,641 | 2016-12-23 | ||
PCT/EP2017/081805 WO2018114352A1 (en) | 2016-12-23 | 2017-12-07 | Method and system for determining vehicle speed using vertical and longitudinal acceleration sensors |
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JP2020501982A true JP2020501982A (ja) | 2020-01-23 |
JP7105780B2 JP7105780B2 (ja) | 2022-07-25 |
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JP2019534361A Active JP7105780B2 (ja) | 2016-12-23 | 2017-12-07 | 鉛直方向加速度センサ及び長手方向加速度センサを使用して車両速度を特定する方法及びシステム |
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US (1) | US10518757B2 (ja) |
EP (1) | EP3558769B1 (ja) |
JP (1) | JP7105780B2 (ja) |
KR (1) | KR102461424B1 (ja) |
WO (1) | WO2018114352A1 (ja) |
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DE102018213931A1 (de) | 2018-08-17 | 2020-02-20 | Robert Bosch Gmbh | Fahrassistenzverfahren für ein Fahrzeug, Steuereinheit, Fahrassistenzsystem und Fahrzeug |
CN109278755B (zh) * | 2018-10-09 | 2021-04-06 | 浙江力邦合信智能制动系统股份有限公司 | 车辆路面坡度计算方法及系统 |
CN109466559B (zh) * | 2018-12-17 | 2020-09-08 | 重庆长安汽车股份有限公司 | 基于滞后滤波路面坡度的计算方法和装置 |
CN109849930B (zh) * | 2018-12-29 | 2020-08-04 | 百度在线网络技术(北京)有限公司 | 自动驾驶汽车的相邻车辆的速度计算方法和装置 |
CN111469856B (zh) * | 2020-04-17 | 2021-11-02 | 湖南三一电控科技有限公司 | 叉车和叉车的速度控制方法 |
CN111775937B (zh) * | 2020-06-03 | 2022-05-20 | 深圳拓邦股份有限公司 | 割草车陡坡缓降的方法、控制装置及计算机可读存储介质 |
KR20240160620A (ko) | 2022-03-10 | 2024-11-11 | 볼보 트럭 코퍼레이션 | 강건한 차량 지상 속력 결정을 위한 휠의 선택적 자유 롤링 |
US20250180728A1 (en) | 2022-03-10 | 2025-06-05 | Volvo Truck Corporation | Sensor system for determining vehicle speed over ground |
KR20250010907A (ko) * | 2023-07-13 | 2025-01-21 | 에이치엘만도 주식회사 | 차량의 자세 제어 시스템 및 방법 |
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- 2017-12-07 KR KR1020197018072A patent/KR102461424B1/ko active Active
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- 2017-12-07 JP JP2019534361A patent/JP7105780B2/ja active Active
- 2017-12-07 EP EP17816632.8A patent/EP3558769B1/en active Active
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US10518757B2 (en) | 2019-12-31 |
WO2018114352A1 (en) | 2018-06-28 |
EP3558769B1 (en) | 2020-10-28 |
KR20190101377A (ko) | 2019-08-30 |
KR102461424B1 (ko) | 2022-11-03 |
US20180178767A1 (en) | 2018-06-28 |
JP7105780B2 (ja) | 2022-07-25 |
EP3558769A1 (en) | 2019-10-30 |
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