KR101836490B1 - 차체 자세 제어 장치 - Google Patents
차체 자세 제어 장치 Download PDFInfo
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/06—Characteristics of dampers, e.g. mechanical dampers
- B60G17/08—Characteristics of fluid dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/22—Conjoint control of vehicle sub-units of different type or different function including control of suspension systems
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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
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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
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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
- B60W40/11—Pitch movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/05—Attitude
- B60G2400/051—Angle
- B60G2400/0511—Roll angle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/05—Attitude
- B60G2400/052—Angular rate
- B60G2400/0521—Roll rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/05—Attitude
- B60G2400/052—Angular rate
- B60G2400/0522—Pitch rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/20—Speed
- B60G2400/204—Vehicle speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/40—Steering conditions
- B60G2400/41—Steering angle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/10—Damping action or damper
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vehicle Body Suspensions (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
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Abstract
Description
도 2는 제1 실시형태에 따른 차체 자세 제어 장치를 나타내는 제어 블록도이다.
도 3은 본 발명을 적용한 경우의 롤각과 피치각의 관계를 나타내는 특성 선도이다.
도 4는 본 발명을 적용한 경우의 롤 레이트와 피치 레이트의 관계를 나타내는 특성 선도이다.
도 5는 목표 피치 레이트로부터 피치 모멘트를 산출하는 전달 함수의 주파수와 게인의 관계를 나타내는 특성 선도이다.
도 6은 목표 피치 레이트로부터 피치 모멘트를 산출하는 전달 함수의 주파수와 위상의 관계를 나타내는 특성 선도이다.
도 7은 도 2 중의 목표 감쇠력 산출부에 있어서 피치 모멘트로부터 각 차륜측의 목표 감쇠력을 산출하는 처리를 나타내는 제어 블록도이다.
도 8은 차량의 선회 주행 상태를 모식적으로 나타내는 평면도이다.
도 9는 선회 주행 시의 조타각, 횡가속도, 롤각, 피치각, 롤 레이트 및 피치 레이트의 관계를 나타내는 특성 선도이다.
도 10은 도 9 중의 롤각과 피치각의 관계를 나타내는 특성 선도이다.
도 11은 비교예에 있어서의 롤각과 피치각의 관계를 나타내는 특성 선도이다.
도 12는 제2 실시형태에 따른 차체 자세 제어 장치를 나타내는 제어 블록도이다.
도 13은 제3 실시형태에 따른 차체 자세 제어 장치를 나타내는 제어 블록도이다.
도 14는 제4 실시형태에 따른 차체 자세 제어 장치를 나타내는 제어 블록도이다.
Claims (9)
- 차량의 차체의 자세를 제어하는 차체 자세 제어 장치에 있어서,
상기 차체의 롤 레이트에 따라 목표 피치 레이트가 증가하도록, 검출된 롤 레이트 신호에 미리 정해진 게인을 곱함으로써 상기 차체의 피치 레이트의 목표값인 목표 피치 레이트를 산출하는 목표 피치 레이트 산출 수단(16, 17, 18; 50)과,
상기 차체의 피치 레이트가 상기 목표 피치 레이트에 근접하도록 상기 차체에 대하여 피치 모멘트를 발생시키는 피치 모멘트 발생 수단(19, 21, 22, 23, 24, 6, 9; 51, 52, 53-56, 61-64, 6, 9; 19, 21, 22, 72, 73, 74)
을 구비하는 차체 자세 제어 장치. - 제1항에 있어서, 상기 목표 피치 레이트 산출 수단은, 상기 차체의 롤 레이트의 크기에 따라 상기 차체가 다이브(dive)하는 정도가 증대되도록 상기 목표 피치 레이트를 산출하는 것인 차체 자세 제어 장치.
- 제1항에 있어서, 상기 피치 모멘트 발생 수단은,
상기 목표 피치 레이트로부터 차량 모델에 따라 목표 피치 모멘트를 산출하는 목표 피치 모멘트 산출 수단(51)과,
상기 차체의 피치 모멘트가 상기 목표 피치 모멘트에 근접하도록 상기 피치 모멘트를 발생시키는 피치 모멘트 발생 기구(6, 9)
를 갖는 것인 차체 자세 제어 장치. - 제1항에 있어서, 상기 차체의 피치 레이트를 검출하는 피치 레이트 검출 수단(11)을 더 구비하고,
상기 피치 모멘트 발생 수단은 검출된 상기 피치 레이트와 상기 목표 피치 레이트와의 차가 작아지도록 상기 차체에 대하여 피치 모멘트를 발생시키는 것인 차체 자세 제어 장치. - 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 차량은 4개 이상의 차륜을 가지며,
상기 피치 모멘트 발생 수단은, 각 차륜측에 각각 설치되며 감쇠 특성이 조정 가능한 감쇠력 조정식 쇼크 업소버(6, 9)를 가지고, 상기 감쇠 특성을 조정함으로써 상기 차체에 대한 피치 모멘트를 조정하는 것인 차체 자세 제어 장치. - 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 차량은 4개 이상의 차륜을 가지며,
상기 피치 모멘트 발생 수단은, 각 차륜측에 각각 설치되며 상기 차체와 차륜에 대하여 상, 하측 방향의 힘을 부가하는 액티브 서스펜션(74)을 가지고, 상기 상, 하측 방향의 힘을 조정함으로써 상기 차체에 피치 모멘트를 부가하는 것인 차체 자세 제어 장치. - 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 차체의 롤 레이트는 조타각과 차속으로부터 구해지는 것인 차체 자세 제어 장치.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 차체의 피치 레이트는 조타각과 차속으로부터 구해지는 것인 차체 자세 제어 장치.
- 차량의 차체의 자세를 제어하는 차체 자세 제어 장치에 있어서,
상기 차체의 롤 레이트의 크기에 따라 목표 피치 레이트의 크기가 증대되도록, 검출된 롤 레이트 신호에 미리 정해진 게인을 곱함으로써 상기 차체의 피치 레이트의 목표값인 목표 피치 레이트를 산출하는 목표 피치 레이트 산출 수단과,
브레이크 조작 등에 의해 생기는 피치 레이트를 구하는 피치 상태 추정 수단과,
상기 목표 피치 레이트와 상기 피치 상태 추정 수단의 추정 결과의 차분의 피치 모멘트를 발생시켜 상기 차체의 피치 레이트가 상기 목표 피치 레이트에 근접하도록 상기 차체에 대하여 피치 모멘트를 발생시키는 피치 모멘트 발생 수단
을 구비하는 차체 자세 제어 장치.
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JPJP-P-2010-170247 | 2010-07-29 | ||
JP2010170247 | 2010-07-29 |
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KR20120024382A KR20120024382A (ko) | 2012-03-14 |
KR101836490B1 true KR101836490B1 (ko) | 2018-03-08 |
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US (1) | US8838336B2 (ko) |
JP (1) | JP5809474B2 (ko) |
KR (1) | KR101836490B1 (ko) |
CN (1) | CN102343778B (ko) |
DE (1) | DE102011080104A1 (ko) |
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JP2012046172A (ja) | 2012-03-08 |
US20120029770A1 (en) | 2012-02-02 |
DE102011080104A1 (de) | 2012-04-19 |
KR20120024382A (ko) | 2012-03-14 |
CN102343778A (zh) | 2012-02-08 |
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US8838336B2 (en) | 2014-09-16 |
JP5809474B2 (ja) | 2015-11-11 |
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