KR101896801B1 - 하이브리드 차량의 오토 크루즈 제어 방법 - Google Patents
하이브리드 차량의 오토 크루즈 제어 방법 Download PDFInfo
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- KR101896801B1 KR101896801B1 KR1020160166463A KR20160166463A KR101896801B1 KR 101896801 B1 KR101896801 B1 KR 101896801B1 KR 1020160166463 A KR1020160166463 A KR 1020160166463A KR 20160166463 A KR20160166463 A KR 20160166463A KR 101896801 B1 KR101896801 B1 KR 101896801B1
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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
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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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Abstract
Description
도 2는 종래의 일반적인 PnG 크루즈 주행 상태를 예시한 도면이다.
도 3은 본 발명에 따른 오트 크루즈 제어가 수행되는 시스템의 구성을 나타내는 블록도이다.
도 4는 본 발명에서 하이브리드 차량의 각 PnG 모드별 크루즈 주행 상태를 예시한 도면이다.
도 5는 본 발명에서 PnG 모드 및 차속 변화량(Δ차속)을 결정하는 맵의 예를 나타내는 도면이다.
도 6 내지 도 8은 본 발명에 따른 오토 크루즈 제어 과정을 나타내는 순서도이다.
도 9 및 도 10은 본 발명에 따른 PnG 모드를 비교하기 위한 도면이다.
20 : 제어기
31 : 엔진
32 : 구동모터
33 : 엔진 클러치
34 : 변속기
Claims (19)
- 엔진과 구동모터를 차량 구동원으로 하는 하이브리드 차량에서 운전자에 의해 목표 차속이 설정되어 오토 크루즈 모드가 온(On) 되고 PnG(Pulse and Glide) 모드가 온(On) 되는 단계;
제어기에서 상기 운전자가 설정한 목표 차속에 기초하여 맵으로부터 PnG 코스트 모드와 PnG 글라이드 모드, PnG 정속 크루즈 모드 중 하나의 PnG 모드가 선택되는 단계; 및
제어기에 의해 상기 선택된 PnG 모드의 주행 제어가 수행되는 단계를 포함하며,
상기 PnG 코스트 모드는 설정된 상, 하한 목표 차속 사이에서의 차량 가속(Pulse phase)과 감속(Coast phase)이 교대로 반복되고 감속 시 차량 관성에 의한 코스트 주행이 이루어지는 모드이고,
상기 PnG 글라이드 모드는 설정된 상, 하한 목표 차속 사이에서의 차량 가속(Pulse phase)과 감속(Glide phase)이 교대로 반복되고 감속 시 차량 관성과 구동모터의 토크 어시스트에 의해 정해진 속도 프로파일을 따르는 감속 주행이 이루어지는 모드이며,
상기 PnG 정속 크루즈 모드는 차량 구동원을 이용하여 상기 운전자가 설정한 목표 차속을 유지하는 정속 주행 모드이고,
상기 맵에 의해 PnG 글라이드 모드가 선택되고 나면, 제어기에서 별도의 맵으로부터 구해지는 감속 설정 정보에 따라 속도 프로파일이 정해지고 이어 상기 정해진 속도 프로파일의 감속 주행이 이루어지도록 주행 제어를 수행하며,
상기 감속 설정 정보는 구동모터의 토크 어시스트량인 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 1에 있어서,
상기 오토 크루즈 모드 온 및 PnG 모드 온 상태에서 운전자가 운전성 우선 모드와 연비 우선 모드 중 하나의 모드를 선택할 수 있는 UI(User Interface)가 UI 장치에서 제공되는 단계를 더 포함하고,
상기 UI 장치는 운전자에 의한 모드 선택 신호를 입력하도록 제어기에 연결되며,
상기 맵은, 운전성 우선 모드와 연비 우선 모드 중 운전자에 의해 선택된 모드에 따라 정해지는 하나의 PnG 모드가 선택되도록 구비되는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 2에 있어서,
상기 맵은, 운전자에 의해 선택된 모드가 연비 우선 모드인 경우, 상기 PnG 코스트 모드가 선택되도록 구비되는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 2에 있어서,
상기 맵은, 연비 우선 모드와 운전성 우선 모드의 모드 선택 정보와 운전자가 설정한 목표 차속을 입력으로 하여, 상기 모드 선택 정보와 목표 차속에 따라 PnG 코스트 모드와 PnG 글라이드 모드, PnG 정속 크루즈 모드 중 하나의 PnG 모드가 선택되도록 구비되는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 4에 있어서,
상기 맵은, 운전자에 의해 선택된 모드가 운전성 우선 모드인 경우, 상기 PnG 정속 크루즈 모드와 PnG 글라이드 모드 중, 상기 운전자가 설정한 목표 차속에 따라 어느 하나의 PnG 모드가 선택되도록 구비되는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 5에 있어서,
상기 맵은, 상기 운전자가 설정한 목표 차속이 미리 정해진 기준차속 이하인 경우 PnG 정속 크루즈 모드가 선택되고, 상기 운전자가 설정한 목표 차속이 상기 기준차속 보다 클 경우 PnG 글라이드 모드가 선택되도록 구비되는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 2에 있어서,
상기 맵에는 목표 차속에 따른 값으로 차속 변화량(Δ차속)이 설정되고,
상기 제어기는 상기 맵으로부터 운전자가 설정한 목표 차속에 해당하는 차속 변화량이 구해지면, 운전자가 설정한 목표 차속을 기준으로 결정된 차속 변화량을 반영한 상, 하한 목표 차속을 결정하는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 7에 있어서,
상기 맵에서 PnG 코스트 모드의 차속 변화량(Δ차속)이 PnG 글라이드 모드의 차속 변화량(Δ차속)에 비해 크게 설정되어 있는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 1에 있어서,
상기 맵에 의해 PnG 코스트 모드 또는 PnG 글라이드 모드가 선택되고 나면, 상기 제어기에서 각 모드의 가속 시 설정된 속도 상승 기울기에 따라 차량 구동원을 제어하여 상한 목표 차속에 도달할 때까지 차속을 증가시키는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 삭제
- 삭제
- 삭제
- 청구항 1에 있어서,
상기 PnG 글라이드 모드의 감속 시 PnG 코스트 모드의 감속 시에 비해 상대적으로 완만한 감속 기울기로 차량 감속이 이루어지도록 구동모터의 토크 발생을 제어하는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 1에 있어서,
운전자에 의해 목표 차속이 설정되어 오토 크루즈 모드가 온(On) 된 상태에서 PnG(Pulse and Glide) 모드가 오프(Off) 상태이면, 상기 제어기에 의해, 차량 구동원을 이용하여 상기 운전자가 설정한 목표 차속을 유지하는 정속 주행 모드가 수행되는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 1에 있어서,
상기 PnG 코스트 모드와 PnG 글라이드 모드, PnG 정속 크루즈 모드 중 선택된 하나의 PnG 모드로 차량이 주행하는 동안, 배터리 SOC가 미리 설정된 범위 이내인 경우, 해당 PnG 모드의 주행이 유지되는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 15에 있어서,
상기 PnG 코스트 모드와 PnG 글라이드 모드, PnG 정속 크루즈 모드 중 선택된 하나의 PnG 모드로 차량이 주행하는 동안, 배터리 SOC가 상기 설정된 범위를 벗어나는 경우, 차량 구동원을 이용하여 상기 운전자가 설정한 목표 차속을 유지하는 정속 주행 모드가 수행되는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 1에 있어서,
상기 PnG 코스트 모드의 감속 주행 시, 엔진과 구동모터 사이에 배치된 엔진 클러치의 해제 및 변속기 중립단 제어가 수행되고, 엔진을 퓨얼 컷(Fuel Cut) 상태로 유지하는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 1에 있어서,
상기 PnG 코스트 모드의 감속 주행 시, 엔진과 구동모터 사이에 배치된 엔진 클러치를 해제하고, 엔진을 퓨얼 컷 상태로 유지하며, 변속기 인 기어(In Gear) 상태에서 구동모터에 의한 에너지 회수가 이루어지도록 하는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
- 청구항 1에 있어서,
상기 PnG 글라이드 모드의 감속 주행 시, 엔진과 구동모터 사이에 배치된 엔진 클러치를 해제하고, 변속기를 인 기어(In Gear) 상태로 유지하며, 엔진은 퓨얼 컷(Fuel Cut) 상태로 유지하는 것을 특징으로 하는 하이브리드 차량의 오토 크루즈 제어 방법.
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| US15/806,029 US10752245B2 (en) | 2016-12-08 | 2017-11-07 | Auto cruise control method and system for hybrid electric vehicle |
| DE102017126427.2A DE102017126427B4 (de) | 2016-12-08 | 2017-11-10 | Automatisches Geschwindigkeitssteuerverfahren und System für ein Hybridelektrofahrzeug |
| CN201711102979.3A CN108162951B (zh) | 2016-12-08 | 2017-11-10 | 用于混合动力电动车辆的自动巡航控制方法和系统 |
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| CN108162951B (zh) | 2022-07-15 |
| DE102017126427A1 (de) | 2018-06-14 |
| CN108162951A (zh) | 2018-06-15 |
| US20180162397A1 (en) | 2018-06-14 |
| KR20180065502A (ko) | 2018-06-18 |
| US10752245B2 (en) | 2020-08-25 |
| DE102017126427B4 (de) | 2022-08-04 |
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