KR102733403B1 - 차량 운동 제어 장치 - Google Patents
차량 운동 제어 장치 Download PDFInfo
- Publication number
- KR102733403B1 KR102733403B1 KR1020227004472A KR20227004472A KR102733403B1 KR 102733403 B1 KR102733403 B1 KR 102733403B1 KR 1020227004472 A KR1020227004472 A KR 1020227004472A KR 20227004472 A KR20227004472 A KR 20227004472A KR 102733403 B1 KR102733403 B1 KR 102733403B1
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- South Korea
- Prior art keywords
- roll
- vehicle
- pitch
- control
- target
- Prior art date
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Images
Classifications
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Abstract
Description
도 2는 제1 실시형태에 의한 차량 운동 제어 장치를 도시하는 제어 블록도이다.
도 3은 횡가속도(Gy)와 가감속 지령(Gx_GVC)과 모멘트 지령(M+)과 롤각과 피치각과 서스펜션 제어 지령(감쇠력 가변 댐퍼에 대한 감쇠력 지령)의 시간 변화의 일례를 도시하는 특성선도이다.
도 4는 제2 실시형태에 의한 차량 운동 제어 장치를 도시하는 제어 블록도이다.
3 : 후륜(차륜)
6, 9 : 감쇠력 가변 댐퍼(힘 발생 장치)
11 : 요우레이트 센서
15 : 브레이크 액압 제어 장치(제구동력 제어 수단)
16 : 구동 장치(제구동력 제어 수단)
21, 63 : 컨트롤러(제구동력 제어 수단, 힘조정 수단, 컨트롤부, 제구동력 컨트롤러)
29 : 피치 제어부(목표 피치량 산출 수단)
30 : 롤 억제부(목표 롤량 산출 수단)
61 : 전자 서스펜션(힘 발생 장치)
Claims (5)
- 차량 운동 제어 장치로서,
상기 차량 운동 제어 장치는,
차량의 조타 시에 제구동력(制驅動力)을 조정하는 제구동력 컨트롤러와,
상기 차량의 차체와 복수의 차륜 사이에 각각 개장하여 설치되고, 차체와 각 차륜 사이의 힘을 조정 가능한 복수의 힘 발생 장치
를 갖는 차량에 이용되고,
상기 차량 운동 제어 장치는, 또한, 각 힘 발생 장치의 힘을 조정하는 컨트롤부를 갖고 있고,
상기 컨트롤부는,
상기 제구동력 컨트롤러에 의해 상기 차체가 선회할 때의 상기 차체의 선회 상태로부터 목표가 되는 목표 롤량을 산출하고,
상기 차량의 횡가속도의 변화율과, 요우 모멘트를 발생시키는 요우 모멘트 지령치에 기초하여, 상기 차량에 발생하는 롤량을 추정하고, 그 추정한 롤량이 상기 목표 롤량에 근접하게 하는 지령치를, 상기 힘 발생 장치에 출력하는 것을 특징으로 하는 차량 운동 제어 장치. - 제1항에 있어서,
상기 컨트롤부는,
상기 제구동력 컨트롤러에 의해 상기 차체가 선회할 때의 상기 차체의 선회 상태로부터 목표가 되는 목표 피치량을 산출하고,
상기 차량에 발생하는 피치량을 추정하고, 그 추정한 피치량이 상기 목표 피치량에 근접하게 하는 지령치를, 상기 힘 발생 장치에 출력하는 것을 특징으로 하는 차량 운동 제어 장치. - 제2항에 있어서,
상기 컨트롤부는,
상기 차량의 횡가속도의 변화율에 기초하여, 가감속을 발생시키는 가감속 지령치와 상기 요우 모멘트 지령치를 이용하여, 상기 차량에 발생하는 피치·롤량을 추정하고, 그 추정한 피치·롤량이 상기 목표 피치량과 상기 목표 롤량과 근접하게 하는 지령치를, 상기 힘 발생 장치에 출력하는 것을 특징으로 하는 차량 운동 제어 장치. - 제2항에 있어서,
상기 차량의 요우레이트를 검출하는 요우레이트 센서
를 더 구비하고,
상기 컨트롤부는,
상기 차량의 요우레이트의 추정치와 검출치의 차인 요우레이트 차에 기초하여, 상기 힘 발생 장치에 출력하는 것을 특징으로 하는 차량 운동 제어 장치. - 제2항에 있어서,
상기 컨트롤부는,
상기 요우 모멘트 지령치에 따라서, 조타 시에 핸들을 꺾을 때에 롤 제어 지령을 증가시키고, 조타 시에 핸들을 복귀시킬 때에 롤 제어 지령을 감소시키는 것을 특징으로 하는 차량 운동 제어 장치.
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