JP2020045083A - 後輪操舵システムの制御方法 - Google Patents
後輪操舵システムの制御方法 Download PDFInfo
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- JP2020045083A JP2020045083A JP2018216831A JP2018216831A JP2020045083A JP 2020045083 A JP2020045083 A JP 2020045083A JP 2018216831 A JP2018216831 A JP 2018216831A JP 2018216831 A JP2018216831 A JP 2018216831A JP 2020045083 A JP2020045083 A JP 2020045083A
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- wheel speed
- wheel
- speed sensor
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/002—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits computing target steering angles for front or rear wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/02—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to vehicle speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
- B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
- B62D7/15—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
- B62D7/159—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels characterised by computing methods or stabilisation processes or systems, e.g. responding to yaw rate, lateral wind, load, road condition
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/88—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
- B60T8/885—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
- B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
- B62D7/15—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
-
- 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
- B60T2260/00—Interaction of vehicle brake system with other systems
- B60T2260/02—Active Steering, Steer-by-Wire
- B60T2260/022—Rear-wheel steering; Four-wheel steering
-
- 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
- B60T2270/416—Wheel speed sensor failure
-
- 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
- B60W2422/00—Indexing codes relating to the special location or mounting of sensors
- B60W2422/70—Indexing codes relating to the special location or mounting of sensors on the wheel or the tire
-
- 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
- B60W2720/28—Wheel speed
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
- B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
- B62D7/148—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering provided with safety devices
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
Description
1 コントローラ
3 APSセンサー
5 BPSセンサー
7 ESC
9 EMS
Claims (8)
- コントローラがホイールスピードセンサーの出力値に基づいてホイールスピードセンサーのエラーを検出するエラー検出段階と、
コントローラが、前記ホイールスピードセンサーのエラーを検出した場合、エラーが検出された非正常ホイールスピードセンサーの出力値を除き、残りの正常ホイールスピードセンサーの出力値を用いて車速を推定する車速推定段階と、
コントローラが前記推定された車速に基づいて後輪を操舵制御する操舵制御段階とを含み、
前記車速推定段階では、4つのホイールスピードセンサーのうち1つの非正常ホイールスピードセンサーを検出した場合、前記非正常ホイールスピードセンサーの対角に位置した正常ホイールスピードセンサーを除いた残りの2つの正常ホイールスピードセンサーの出力値の平均値で非正常ホイールスピードセンサーの出力値を代替することを特徴とする、後輪操舵システムの制御方法。 - 前記エラー検出段階では、
前記ホイールスピードセンサーに出力されるホイール加速度が設定値を超える場合、エラーが発生したと判断することを特徴とする、請求項1に記載の後輪操舵システムの制御方法。 - 前記車速推定段階で、
4つのホイールスピードセンサーのうち2つの非正常ホイールスピードセンサーを検出した場合、残りの2つの正常ホイールスピードセンサーの出力値の平均値で非正常ホイールスピードセンサーの出力値を代替することを特徴とする、請求項1に記載の後輪操舵システムの制御方法。 - 前記車速推定段階では、
4つのホイールスピードセンサーのうち3つの非正常ホイールスピードセンサーを検出した場合、残りの1つの正常ホイールスピードセンサーの出力値で非正常ホイールスピードセンサーの出力値を代替することを特徴とする、請求項1に記載の後輪操舵システムの制御方法。 - 前記車速推定段階の後、非正常ホイールスピードセンサーの出力値と正常ホイールスピードセンサーの出力値との差の絶対値が設定値以下である状態が一定時間維持される場合、非正常ホイールスピードセンサーを正常と診断することを特徴とする、請求項1に記載の後輪操舵システムの制御方法。
- 前記車速推定段階では、
加速ペダルの操作による車両加速の際に、すべてのホイールスピードセンサーの出力値のうちの最小値を基準に車速を推定することを特徴とする、請求項1に記載の後輪操舵システムの制御方法。 - 前記車速推定段階では、
ブレーキペダルの操作による車両減速の際に、すべてのホイールスピードセンサーの出力値のうちの最大値を基準に車速を推定することを特徴とする、請求項1に記載の後輪操舵システムの制御方法。 - 前記車速推定段階では、
車体姿勢制御装置の作動の際に、すべてのホイールスピードセンサーの出力値のうちの、最小値と最大値を除いた残りの2つの出力値の平均値を基準に車速を推定することを特徴とする、請求項1に記載の後輪操舵システムの制御方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0111869 | 2018-09-19 | ||
KR1020180111869A KR102585752B1 (ko) | 2018-09-19 | 2018-09-19 | 후륜조향시스템의 제어방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020045083A true JP2020045083A (ja) | 2020-03-26 |
JP7199929B2 JP7199929B2 (ja) | 2023-01-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018216831A Active JP7199929B2 (ja) | 2018-09-19 | 2018-11-19 | 後輪操舵システムの制御方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10882552B2 (ja) |
JP (1) | JP7199929B2 (ja) |
KR (1) | KR102585752B1 (ja) |
CN (1) | CN110920750B (ja) |
DE (1) | DE102018220062A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US11520773B2 (en) | 2018-10-09 | 2022-12-06 | International Business Machines Corporation | Blockchain notification board storing blockchain resources |
CN113320591B (zh) * | 2021-06-03 | 2022-09-16 | 江苏大学 | 一种电动汽车四轮转向控制系统及控制方法 |
US20230319057A1 (en) * | 2022-03-29 | 2023-10-05 | Toyota Motor North America, Inc. | Secure signed file upload |
GB2618545B (en) * | 2022-05-09 | 2024-10-16 | Jaguar Land Rover Ltd | Control system and method for vehicle steering |
Citations (12)
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JPH05278593A (ja) * | 1992-03-31 | 1993-10-26 | Mazda Motor Corp | 車両の後輪操舵装置 |
JPH05278625A (ja) * | 1992-03-31 | 1993-10-26 | Mazda Motor Corp | 車両の後輪操舵装置 |
JPH072130A (ja) * | 1993-06-21 | 1995-01-06 | Fuji Heavy Ind Ltd | 後輪操舵装置の制御方法 |
JPH0921819A (ja) * | 1995-07-04 | 1997-01-21 | Toyota Motor Corp | 車体速度検出装置 |
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JP2001260859A (ja) * | 2000-03-21 | 2001-09-26 | Toyota Motor Corp | 車両用センサ異常検出装置 |
JP2004330956A (ja) * | 2003-05-09 | 2004-11-25 | Nissan Motor Co Ltd | 車輪速センサ異常判定装置 |
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JP2011037338A (ja) * | 2009-08-07 | 2011-02-24 | Toyota Motor Corp | 車両のスリップ判定装置 |
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-
2018
- 2018-09-19 KR KR1020180111869A patent/KR102585752B1/ko active IP Right Grant
- 2018-11-14 US US16/190,895 patent/US10882552B2/en active Active
- 2018-11-19 JP JP2018216831A patent/JP7199929B2/ja active Active
- 2018-11-22 DE DE102018220062.9A patent/DE102018220062A1/de active Pending
- 2018-12-04 CN CN201811472412.XA patent/CN110920750B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05278593A (ja) * | 1992-03-31 | 1993-10-26 | Mazda Motor Corp | 車両の後輪操舵装置 |
JPH05278625A (ja) * | 1992-03-31 | 1993-10-26 | Mazda Motor Corp | 車両の後輪操舵装置 |
JPH072130A (ja) * | 1993-06-21 | 1995-01-06 | Fuji Heavy Ind Ltd | 後輪操舵装置の制御方法 |
JPH0921819A (ja) * | 1995-07-04 | 1997-01-21 | Toyota Motor Corp | 車体速度検出装置 |
JPH10147232A (ja) * | 1996-11-18 | 1998-06-02 | Sumitomo Electric Ind Ltd | アンチロック制御装置 |
JP2001260859A (ja) * | 2000-03-21 | 2001-09-26 | Toyota Motor Corp | 車両用センサ異常検出装置 |
JP2004330956A (ja) * | 2003-05-09 | 2004-11-25 | Nissan Motor Co Ltd | 車輪速センサ異常判定装置 |
US20050273240A1 (en) * | 2004-06-02 | 2005-12-08 | Brown Todd A | System and method for determining desired yaw rate and lateral velocity for use in a vehicle dynamic control system |
JP2008207678A (ja) * | 2007-02-27 | 2008-09-11 | Hitachi Ltd | 車両の制御装置及び制御方法 |
JP2011037338A (ja) * | 2009-08-07 | 2011-02-24 | Toyota Motor Corp | 車両のスリップ判定装置 |
JP2014069712A (ja) * | 2012-09-28 | 2014-04-21 | Advics Co Ltd | 車両のトラクション制御装置及び車両のトラクション制御方法 |
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Also Published As
Publication number | Publication date |
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CN110920750A (zh) | 2020-03-27 |
DE102018220062A1 (de) | 2020-03-19 |
US10882552B2 (en) | 2021-01-05 |
CN110920750B (zh) | 2023-04-07 |
KR102585752B1 (ko) | 2023-10-10 |
JP7199929B2 (ja) | 2023-01-06 |
KR20200032815A (ko) | 2020-03-27 |
US20200086914A1 (en) | 2020-03-19 |
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