KR102724107B1 - 인휠 시스템 차량의 토크벡터링 제어 방법 및 장치 - Google Patents
인휠 시스템 차량의 토크벡터링 제어 방법 및 장치 Download PDFInfo
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- KR102724107B1 KR102724107B1 KR1020190087106A KR20190087106A KR102724107B1 KR 102724107 B1 KR102724107 B1 KR 102724107B1 KR 1020190087106 A KR1020190087106 A KR 1020190087106A KR 20190087106 A KR20190087106 A KR 20190087106A KR 102724107 B1 KR102724107 B1 KR 102724107B1
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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
- B60W30/02—Control of vehicle driving stability
- B60W30/045—Improving turning performance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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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
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18109—Braking
- B60W30/18127—Regenerative braking
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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
- B60W40/10—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
- B60W40/101—Side slip angle of tyre
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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
- B60W40/10—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
- B60W40/105—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
- 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
- B60W40/114—Yaw movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/04—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
- B60K2023/043—Control means for varying left-right torque distribution, e.g. torque vectoring
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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
- B60W2520/12—Lateral 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
- B60W2520/14—Yaw
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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
- B60W2520/20—Sideslip angle
-
- 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
- B60W2520/26—Wheel slip
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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
- B60W2520/30—Wheel torque
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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
- B60W2720/30—Wheel torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2300/00—Purposes or special features of road vehicle drive control systems
- B60Y2300/80—Control of differentials
- B60Y2300/82—Torque vectoring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Automation & Control Theory (AREA)
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- Combustion & Propulsion (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
도 2 및 도 3은 본 발명에 따른 토크벡터링 제어 중인 차량상태를 나타낸다.
도 4는 본 발명에 따른 인휠 시스템이 장착된 차량의 토크벡터링 제어 방법의 순서도이다.
도 5는 휠토크 변환을 위한 요 모멘트 제어 순서도이다.
도 6은 회전 상태에서의 자전거 모델 동역학을 나타낸다.
도 7은 본 발명에 따른 인휠 시스템이 장착된 차량의 토크벡터링 제어 장치의 개괄적 구성을 나타낸다.
도 8 내지 도 19는 본 발명에 따른 토크벡터링 방법 및 장치를 적용한 인휠 시스템 차량과 비적용차량과의 성능 비교를 시뮬레이션 한 그래프이다.
도 20은 본 발명에 따른 토크벡터링 방법 및 장치를 적용한 인휠 시스템 차량인 e-4WD을 나타낸다.
도 21 내지 도 28은 본 발명에 따른 토크벡터링 방법 및 장치를 적용한 인휠 시스템 차량과 일반 기계식 차동 방식의 4WD 차량과의 실제 차량 실험을 통한 성능 비교 그래프이다.
Claims (10)
- 인휠모터 시스템이 장착된 차량의 토크벡터링 제어 방법에서,
차량에 부착된 센서를 이용하여 차량정보를 측정하는 단계;
상기 측정된 값을 기반으로 종방향 속도, 횡방향 속도, 슬립각, 휠슬립률을 추정하는 단계;
상기 추정한 값으로 차량상태 및 휠토크량을 결정하는 단계;
요 모멘트 제어로 상기 결정된 휠토크를 산출하는 단계; 및
상기 산출한 휠토크를 좌우측 인휠모터에 각 적용하는 단계를 포함하고,
상기 차량상태를 결정하는 단계는,
좌우측 휠토크가 모두 추가토크인 제1차량상태,
좌우측 휠토크가 한쪽은 추가토크 다른 쪽은 회생제동토크이고 추가토크의 크기가 회생제동토크의 크기 보다 큰 제2차량상태,
좌우측 휠토크가 한쪽은 추가토크 다른 쪽은 회생제동토크이고 회생제동토크의 크기가 추가토크의 크기 보다 큰 제3차량상태, 및
좌우측 휠토크가 모두 회생제동토크인 제4차량상태 중 어느 하나의 상태를 결정하는 것을 특징으로 하는, 토크벡터링 제어 방법.
- 삭제
- 제1항에 있어서,
제1차량상태, 제2차량상태는 차량의 가속 상태이고, 제3차량상태, 제4차량상태는 차량의 감속 상태인 것을 특징으로 하는, 토크벡터링 제어 방법.
- 제1항에 있어서, 상기 휠토크량을 결정하는 단계는,
상기 차량상태에 따라 좌우측 인휠모터에 필요한 휠토크의 방향과 상대적 크기를 결정하는 것을 특징으로 하는, 토크벡터링 제어 방법.
- 제1항에 있어서, 상기 요 모멘트 제어로 휠토크를 산출하는 단계는,
희망 요 레이트와 실제 요 레이트로 구한 보정 요 레이트를 이용하여 보정 요 모멘트를 구한 후 상기 보정 요 모멘트를 좌우측 인휠모터에 각 분배하여 휠 토크로 변환하는 것을 특징으로 하는, 토크벡터링 제어 방법.
- 인휠 시스템이 장착된 차량의 토크벡터링 제어 장치에서,
차량에 부착된 센서를 이용하여 차량정보를 측정하여, 상기 측정된 값을 기반으로 종방향 속도, 횡방향 속도, 슬립각, 휠슬립률을 추정하는 차량정보 추정기,
상기 추정한 값으로 차량상태를 결정하고 휠토크량을 결정하는 차량상태 및 휠토크 결정기,
상기 추정한 값으로 계산한 요 모멘트를 분배하여 휠토크로 변환하는 휠토크 산출기, 및
상기 산출한 휠토크를 좌우측 인휠모터에 각 적용하는 휠토크 적용기를 포함하고,
상기 차량상태 및 휠토크 결정기는,
좌우측 휠토크가 모두 추가토크인 제1차량상태,
좌우측 휠토크가 한쪽은 추가토크 다른 쪽은 회생제동토크이고 추가토크의 크기가 회생제동토크의 크기 보다 큰 제2차량상태,
좌우측 휠토크가 한쪽은 추가토크 다른 쪽은 회생제동토크이고 회생제동토크의 크기가 추가토크의 크기 보다 큰 제3차량상태, 및
좌우측 휠토크가 모두 회생제동토크인 제4차량상태 중 어느 하나의 상태를 결정하는 것을 특징으로 하는, 토크벡터링 제어 장치. - 삭제
- 제6항에 있어서,
제1차량상태, 제2차량상태는 차량의 가속 상태이고, 제3차량상태, 제4차량상태는 차량의 감속 상태인 것을 특징으로 하는, 토크벡터링 제어 장치. - 제6항에 있어서, 상기 차량상태 및 휠토크 결정기는
결정된 차량상태에 따라 좌우측 인휠모터에 필요한 휠토크의 방향과 상대적 크기를 결정하는 것을 특징으로 하는, 토크벡터링 제어 장치.
- 제6항에 있어서, 상기 휠토크 산출기는,
희망 요 레이트와 실제 요 레이트로 구한 보정 요 레이트를 이용하여 보정 요 모멘트를 구한 후 상기 보정 요 모멘트를 좌우측 인휠모터에 각 분배하여 휠 토크로 변환하는 것을 특징으로 하는, 토크벡터링 제어 장치.
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KR102366175B1 (ko) * | 2021-08-02 | 2022-02-23 | 성균관대학교산학협력단 | 독립구동 전기자동차의 자율 주행 제어 장치 및 그 방법 |
KR20240000003A (ko) | 2022-06-21 | 2024-01-02 | 현대자동차주식회사 | 자율 주행 전기 자동차의 선회 주행시 토크 백터링에 의한 요모멘트를 고려한 목표 조향각 산출 장치, 방법 및 컴퓨터로 판독 가능한 저장 매체 |
KR20240070247A (ko) * | 2022-11-14 | 2024-05-21 | 현대모비스 주식회사 | 차량의 조향장치 및 이의 제어방법 |
CN116653624A (zh) * | 2023-04-07 | 2023-08-29 | 襄阳达安汽车检测中心有限公司 | 多轴轮毂电机汽车最大附加横摆扭矩分配方法及系统 |
KR20240155684A (ko) | 2023-04-20 | 2024-10-29 | 현대자동차주식회사 | 모터 기반 토크 벡터링 제어 장치 및 방법 |
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JP5452696B2 (ja) * | 2012-11-12 | 2014-03-26 | 日立オートモティブシステムズ株式会社 | 車両の運動制御装置 |
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JP2007106171A (ja) * | 2005-10-11 | 2007-04-26 | Toyota Motor Corp | 制駆動制御装置 |
JP5452696B2 (ja) * | 2012-11-12 | 2014-03-26 | 日立オートモティブシステムズ株式会社 | 車両の運動制御装置 |
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