KR101619653B1 - 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법 - Google Patents
하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법 Download PDFInfo
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- KR101619653B1 KR101619653B1 KR1020140171900A KR20140171900A KR101619653B1 KR 101619653 B1 KR101619653 B1 KR 101619653B1 KR 1020140171900 A KR1020140171900 A KR 1020140171900A KR 20140171900 A KR20140171900 A KR 20140171900A KR 101619653 B1 KR101619653 B1 KR 101619653B1
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Abstract
Description
도 2와 도 3은 하이브리드 자동차의 주행 중 엔진 상태를 나타내는 도면이다.
도 4는 하이브리드 자동차의 난방 조건에서 냉각수온에 따른 엔진 온/오프 제어 상태를 나타내는 도면이다.
도 5는 난방을 위한 엔진 온 시에 종래의 엔진 아이들 운전 제어 과정을 나타내는 순서도이다.
도 6은 난방을 위한 엔진 온 시에 본 발명의 엔진 아이들 운전 제어 과정을 나타내는 순서도이다.
2 : 엔진 클러치
3 : 구동모터
4 : 변속기
5 : 인버터
6 : 배터리
7 : 시동발전기
Claims (12)
- 엔진과 구동모터, 엔진과 구동모터 사이의 엔진 클러치, 및 엔진에 동력 전달 가능하게 연결된 시동발전기를 탑재한 하이브리드 자동차에서 엔진의 정지 상태일 때 차량 난방을 위한 엔진 온(on) 요청이 수신되는 단계;
차량이 주행하고 있는 도로 조건을 판단하는 단계;
시동발전기의 발전 제어를 위한 목표 충전 파워로서 상기 도로 조건과 배터리 상태 정보에 해당하는 값으로 설정되어 있는 목표 충전 파워를 결정하는 단계;
상기 도로 조건과 목표 충전 파워, 외기온 센서에 의해 검출된 외기온에 해당하는 값으로 설정되어 있는 기본 아이들 RPM을 결정하는 단계;
차량의 난방부하에 따른 보상 RPM을 결정하는 단계;
상기 기본 아이들 RPM을 보상 RPM 값만큼 보상하여 목표 아이들 RPM을 결정하는 단계; 및
차량 난방 동안 상기 결정된 목표 아이들 RPM으로 엔진의 아이들 구동을 제어하는 단계를 포함하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 1에 있어서,
상기 도로 조건을 도심지 도로와 국도, 고속도로 주행 조건 중 어느 하나로 판단하는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 2에 있어서,
상기 도로 조건은 과거 설정시간 동안의 정차횟수와 평균차속 정보를 이용하여 판단하는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 3에 있어서,
상기 평균차속이 기준차속1 이하인 저속 주행 상태이고 정차횟수가 기준횟수1 이상이면 현재 주행 중인 도로가 정체 구간이 많은 도심지 도로인 것으로 판단하는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 4에 있어서,
상기 평균차속이 기준차속2 이상인 고속 주행 상태이고(기준차속2>기준차속1임) 정차횟수가 거의 없는 상황인 기준횟수2 이하인 경우(기준횟수2<기준횟수1임) 현재 주행 중인 도로가 고속도로인 것으로 판단하는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 4에 있어서,
상기 평균차속이 기준차속1을 초과하면서 기준차속2 미만이고(기준차속2>기준차속1임) 정차횟수가 기준횟수2를 초과하면서 기준횟수1 미만이면(기준횟수2<기준횟수1임) 현재 주행 중인 도로가 국도인 것으로 판단하는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 1에 있어서,
상기 배터리 상태 정보는 배터리 온도와 배터리 SOC(State of Charge)를 포함하는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 7에 있어서,
상기 도로 조건을 도심지 도로와 국도, 고속도로 주행 조건 중 어느 하나로 판단하고, 목표 충전 파워의 결정을 위해 각 도로 조건에 따라 배터리 온도와 배터리 SOC에 따른 값으로 목표 충전 파워가 설정되어 있는 록-업(look-up) 테이블을 이용하는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 1에 있어서,
상기 도로 조건을 도심지 도로와 국도, 고속도로 주행 조건 중 어느 하나로 판단하고, 기본 아이들 RPM의 결정을 위해 각 도로 조건에 따라 목표 충전 파워와 외기온에 따른 값으로 기본 아이들 RPM이 설정되어 있는 록-업(look-up) 테이블을 이용하는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 1에 있어서,
상기 보상 RPM을 결정하는 단계에서, 상기 차량의 난방부하로서 템프도어의 개도량과 공조블로워의 작동단수에 해당하는 값으로 설정되어 있는 보상 RPM이 결정되는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 10에 있어서,
상기 보상 RPM의 결정을 위해 상기 템프도어의 개도량과 공조블로워의 작동단수에 따른 값으로 보상 RPM이 설정되어 있는 록-업(look-up) 테이블을 이용하는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
- 청구항 1에 있어서,
상기 목표 아이들 RPM을 결정하는 단계에서, 상기 기본 아이들 RPM에 보상 RPM을 더한 값으로 목표 아이들 RPM이 결정되는 것을 특징으로 하는 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법.
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| KR1020140171900A KR101619653B1 (ko) | 2014-12-03 | 2014-12-03 | 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법 |
| US14/928,390 US10220828B2 (en) | 2014-12-03 | 2015-10-30 | Engine idle operation control method and system for heating of hybrid electric vehicle |
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| KR1020140171900A KR101619653B1 (ko) | 2014-12-03 | 2014-12-03 | 하이브리드 자동차의 난방시 엔진 아이들 운전 제어 방법 |
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