KR20170030962A - 전기 자동차의 충격 완화 제어 방법 및 시스템 - Google Patents
전기 자동차의 충격 완화 제어 방법 및 시스템 Download PDFInfo
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- KR20170030962A KR20170030962A KR1020150128554A KR20150128554A KR20170030962A KR 20170030962 A KR20170030962 A KR 20170030962A KR 1020150128554 A KR1020150128554 A KR 1020150128554A KR 20150128554 A KR20150128554 A KR 20150128554A KR 20170030962 A KR20170030962 A KR 20170030962A
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- Prior art keywords
- torque
- jerk
- electric vehicle
- controlling
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
- Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
- Y10S903/93—Conjoint control of different elements
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Abstract
본 발명의 실시예에 따른 모터를 동력원으로 포함하는 전기 자동차의 충격 완화 제어 방법은 경사로에서 P단 해제 요청이 있으면, 토크 인가 조건이 만족되는지를 판단하는 단계; 상기 토크 인가 조건이 만족되면, 충격 완화를 위한 토크를 연산하는 단계; 상기 연산된 토크를 인가하고 안티 저크를 변경하여 제어하는 단계; 차속이 설정 속도 이상이면, 토크 인가를 중지하는 단계; 그리고 P단 해제가 완료되면, 변경된 안티 저크를 원복하여 제어하는 단계;를 포함할 수 있다.
Description
도 2는 본 발명의 실시예에 따른 전기 자동차의 충격 완화 제어 방법을 나타내는 흐름도이다.
도 3은 본 발명의 실시예에 따른 전기 자동차의 충격 완화를 위한 토크를 연산하기 위해 경사로에서 차량에 작용하는 힘을 나타내는 도면이다.
도 4(a)는 종래 기술에 따라 P단 해제시 전기 자동차의 상태를 나타낸 도면이고, 도 4(b)는 본 발명의 실시예에 따른 전기 자동차의 충격 완화를 위한 토크를 인가한 경우 P단 해제시 전기 자동차의 상태를 나타낸 도면이다.
도 5(a)는 안티 저크를 적용하지 않은 경우, 도 5(b)는 종래 기술에 따른 안티 저크를 적용한 경우, 도 5(c)는 본 발명의 실시예에 따른 변경된 안티 저크를 적용한 경우를 각각 나타낸 도면이다.
Claims (10)
- 모터를 동력원으로 포함하는 전기 자동차의 충격 완화 제어 방법에 있어서,
경사로에서 P단 해제 요청이 있으면, 토크 인가 조건이 만족되는지를 판단하는 단계;
상기 토크 인가 조건이 만족되면, 충격 완화를 위한 토크를 연산하는 단계;
상기 연산된 토크를 인가하고 안티 저크를 변경하여 제어하는 단계;
차속이 설정 속도 이상이면, 토크 인가를 중지하는 단계; 그리고
P단 해제가 완료되면, 변경된 안티 저크를 원복하여 제어하는 단계;
를 포함하는 전기 자동차의 충격 완화 제어 방법.
- 제1항에 있어서,
상기 충격 완화를 위한 토크는 차량의 중량, 휠 반경, 변속비 및 총 요구제동량을 기초로 연산되는 것을 특징으로 하는 전기 자동차의 충격 완화 제어 방법.
- 제1항에 있어서,
상기 토크 인가 조건은 가속도 센서가 고장이 아니고, 차속이 설정 속도 미만이며, 총 요구제동량이 설정값 이상인 경우 만족되는 것을 특징으로 하는 전기 자동차의 충격 완화 제어 방법.
- 제1항에 있어서,
상기 안티 저크를 변경하여 제어하는 단계는 경사도에 따라 안티 저크 게인 및 진동성분 추출 필터 계수를 조절하는 것을 특징으로 하는 전기 자동차의 충격 완화 제어 방법.
- 제1항에 있어서,
상기 토크 인가 조건이 만족되지 않으면,
안티 저크를 변경하여 제어하는 단계; 및
P단 해제가 완료되면, 변경된 안티 저크를 원복하여 제어하는 단계;
를 더 포함하는 전기 자동차의 충격 완화 제어 방법.
- 모터를 동력원으로 포함하는 전기 자동차의 충격 완화 제어 시스템에 있어서,
전기 자동차의 차속, 경사도, 브레이크 페달의 위치값 및 시프트 레버를 검출하는 운전정보 검출부; 및
상기 운전정보 검출부의 신호를 기초로 모터의 토크를 제어하는 제어기;
를 포함하되,
상기 제어기는 경사로에서 P단 해제 요청이 있으면 토크 인가 조건을 만족하는지 판단하고, 토크 인가 조건이 만족되면 충격 완화를 위한 토크를 연산하여 인가하고, 안티 저크를 변경하여 제어한 후, 차속이 설정 속도 이상이면 토크 인가를 중지하고, P단 해제가 완료되면 변경된 안티 저크를 원복하여 제어하는 것을 특징으로 하는 전기 자동차의 충격 완화 제어 시스템.
- 제6항에 있어서,
상기 제어기는 차량의 중량, 휠 반경, 변속비 및 총 요구제동량을 기초로 상기 충격 완화를 위한 토크를 연산하는 것을 특징으로 하는 전기 자동차의 충격 완화 제어 시스템.
- 제6항에 있어서,
상기 제어기는 가속도 센서가 고장이 아니고, 차속이 설정 속도 미만이며, 총 요구제동량이 설정값 이상인 경우 토크 인가 조건이 만족된 것으로 판단하는 것을 특징으로 하는 전기 자동차의 충격 완화 제어 시스템.
- 제6항에 있어서,
상기 제어기는 경사도에 따라 안티 저크 게인 및 진동성분 추출 필터 계수를 조절하여 안티 저그를 변경 제어하는 것을 특징으로 하는 전기 자동차의 충격 완화 제어 시스템.
- 제6항에 있어서,
상기 제어기는 상기 토크 인가 조건이 만족되지 않으면, 안티 저크를 변경하여 제어하고 P단 해제가 완료된 후, 변경된 안티 저크를 원복하여 제어하는 것을 특징으로 하는 전기 자동차의 충격 완화 제어 시스템.
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US14/938,959 US9610859B1 (en) | 2015-09-10 | 2015-11-12 | System and method for controlling impact reduction of electric vehicle |
DE102015223888.1A DE102015223888B4 (de) | 2015-09-10 | 2015-12-01 | System und Verfahren zum Steuern einer Wirkungsreduktion eines elektrischen Fahrzeugs |
CN201510884628.7A CN106515506B (zh) | 2015-09-10 | 2015-12-04 | 用于控制电动车辆的冲击减少的系统和方法 |
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CN108177647B (zh) * | 2017-12-28 | 2020-01-31 | 潍柴动力股份有限公司 | 一种车辆及其控制方法和装置 |
KR102553848B1 (ko) * | 2018-11-29 | 2023-07-13 | 현대자동차주식회사 | 차량 및 그 제어 방법 |
KR20200109886A (ko) * | 2019-03-15 | 2020-09-23 | 현대자동차주식회사 | 전기자동차의 구동계 비틀림 충격 저감 방법 |
CN110315994A (zh) * | 2019-06-26 | 2019-10-11 | 河南美力达汽车有限公司 | 一种电动汽车的抗冲击系统 |
KR102639086B1 (ko) * | 2019-08-30 | 2024-02-22 | 현대자동차주식회사 | 하이브리드 차량용 모터 토크 제어 장치 및 그의 모터 토크 제어 방법과 그를 포함하는 하이브리드 차량 |
CN110778705B (zh) * | 2019-10-14 | 2021-04-16 | 中国第一汽车股份有限公司 | 一种变速器驻车控制方法、系统、车辆及存储介质 |
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CN114684094A (zh) * | 2020-12-31 | 2022-07-01 | 宝能汽车集团有限公司 | 车辆控制方法、车辆控制装置、车辆和存储介质 |
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