KR20210072196A - 하이브리드 차량 및 그 제어 방법 - Google Patents
하이브리드 차량 및 그 제어 방법 Download PDFInfo
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- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
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- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
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Abstract
Description
도 2는 본 발명에서 회생 제동 중 변속 시 제어부 간의 협조 제어가 이루어지는 예를 나타낸 도면이다.
도 3은 본 발명에 따른 회생 제동 중 변속 시의 모터 토크 제어 상태를 예로 들어 나타낸 도면이다.
도 4는 본 발명의 실시 예에 따른 하이브리드 차량의 변속기 출력 속도 및 변속기 입력 토크에 기초하여 결정되는 변속 진행률의 일례를 나타낸 도면이다.
도 5는 종래의 모터 토크 변경 구간과 본 발명에 따른 모터 토크 변경 구간을 비교하여 나타낸 도면이다.
도 6은 본 발명의 실시 예에 따른 하이브리드 차량의 모터 토크 제어 방법을 나타낸 도면이다.
20 : HCU [0121]
30 : BCU
40 : TCU
50 : BMS
60 : MCU
70 : 배터리
80 : ECU
90 : 엔진
100 : 엔진 클러치
110 : 모터
120 : 변속기
Claims (16)
- 회생 제동 중 변속 요구가 발생하면 상기 변속 요구에 대응하는 목표 기어단을 결정하는 단계와;
변속기의 출력 속도 및 상기 변속기의 입력 토크를 기초로 결정되는 변속 진행률에 따라 상기 목표 기어단의 모터 토크 지령의 변경 시점을 결정하는 단계를 포함하는 하이브리드 차량의 제어 방법. - 제 1 항에 있어서,
상기 변속 진행률이 미리 설정된 기준 값을 초과할 때 상기 목표 기어단의 모터 토크 지령의 변경을 시작하는 하이브리드 차량의 제어 방법. - 제 2 항에 있어서,
상기 목표 기어단의 모터 토크 지령의 변경은 상기 변속기의 실 변속 구간이 종료되기 전에 이루어지는 하이브리드 차량의 제어 방법. - 제 1 항에 있어서,
상기 목표 기어단의 모터 토크 지령은 토크 인터벤션 전의 모터 토크 지령인 하이브리드 차량의 제어 방법. - 제 1 항에 있어서,
상기 변속 진행률 및 모터의 토크 변동 사항을 시각적으로 표시하는 단계를 더 포함하는 하이브리드 차량의 제어 방법. - 제 5 항에 있어서,
상기 변속 진행률을 백분율로 표시하는 하이브리드 차량의 제어 방법. - 제 1 항에 있어서,
상기 변속 요구는 다운 시프트 변속 요구인 하이브리드 차량의 제어 방법. - 연료를 연소시켜 동력을 발생시키는 엔진과;
전기 에너지를 사용하여 동력을 발생시키는 모터와;
상기 모터의 동력 또는 상기 모터 및 상기 엔진의 복합 동력을 구동륜에 전달하는 변속기와;
회생 제동 중 변속 요구가 발생하면 상기 변속 요구에 대응하는 목표 기어단을 결정하고, 상기 변속기의 출력 속도 및 상기 변속기의 입력 토크를 기초로 결정되는 변속 진행률에 따라 상기 목표 기어단의 모터 토크 지령의 변경 시점을 결정하는 제어부를 포함하는 하이브리드 차량. - 제 8 항에 있어서, 상기 제어부는,
상기 변속 진행률이 미리 설정된 기준 값을 초과할 때 상기 목표 기어단의 모터 토크 지령의 변경을 시작하는 하이브리드 차량. - 제 9 항에 있어서,
상기 목표 기어단의 모터 토크 지령의 변경은 상기 변속기의 실 변속 구간이 종료되기 전에 이루어지는 하이브리드 차량. - 제 8 항에 있어서,
상기 목표 기어단의 모터 토크 지령은 토크 인터벤션 전의 모터 토크 지령인 하이브리드 차량. - 제 8 항에 있어서,
상기 변속 진행률 및 모터의 토크 변동 사항을 시각적으로 표시하는 표시부를 더 포함하는 하이브리드 차량. - 제 12 항에 있어서, 상기 제어부는,
상기 변속 진행률을 백분율로 표시하는 하이브리드 차량. - 제 8 항에 있어서,
상기 변속 요구는 다운 시프트 변속 요구인 하이브리드 차량. - 회생 제동 중 변속 요구가 발생하면 상기 변속 요구에 대응하는 목표 기어단을 결정하는 단계와;
변속기의 출력 속도 및 상기 변속기의 입력 토크를 기초로 결정되는 변속 진행률에 따라 상기 목표 기어단의 모터 토크 지령의 변경 시점을 결정하되, 상기 변속 진행률이 미리 설정된 기준 값을 초과할 때 상기 목표 기어단의 모터 토크 지령의 변경을 시작하고, 상기 변속기의 실 변속 구간이 종료되기 전에 상기 목표 기어단의 모터 토크 지령의 변경을 완료하는 단계를 포함하는 하이브리드 차량의 제어 방법. - 연료를 연소시켜 동력을 발생시키는 엔진과;
전기 에너지를 사용하여 동력을 발생시키는 모터와;
상기 모터의 동력 또는 상기 모터 및 상기 엔진의 복합 동력을 구동륜에 전달하는 변속기와;
회생 제동 중 변속 요구가 발생하면 상기 변속 요구에 대응하는 목표 기어단을 결정하고, 상기 변속기의 출력 속도 및 상기 변속기의 입력 토크를 기초로 결정되는 변속 진행률에 따라 상기 목표 기어단의 모터 토크 지령의 변경 시점을 결정하되, 상기 변속 진행률이 미리 설정된 기준 값을 초과할 때 상기 목표 기어단의 모터 토크 지령의 변경을 시작하고, 상기 변속기의 실 변속 구간이 종료되기 전에 상기 목표 기어단의 모터 토크 지령의 변경을 완료하는 제어부를 포함하는 하이브리드 차량.
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