KR20190136353A - 브레이크 시스템 및 그 제어 방법 - Google Patents
브레이크 시스템 및 그 제어 방법 Download PDFInfo
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Abstract
개시된 일 실시예에 따른 브레이크 시스템은 휠; 배터리에 저장된 전기 에너지를 기초로 상기 휠에 구동력을 제공하는 모터; 및 상기 모터가 제1 타성 주행 토크를 생성하도록 제어하고, 상기 휠의 휠 슬립을 감지하면, 상기 제1 타성 주행 토크보다 낮은 제2 타성 주행 토크를 생성하도록 상기 모터를 제어하는 제어부;를 포함한다.
Description
도2a 및 도 2b는 타성 주행 레벨을 설명하기 위한 도면이다.
도3은 일 실시예에 따른 브레이크 시스템의 제어방법을 설명하기 위한 그래프이다.
도4는 일 실시예에 따른 브레이크 시스템의 제어방법에 관한 순서도이다.
50: 제어부 60: 배터리
70: 모터 80: 변속기
90: 차동장치 91, 92: 휠
Claims (12)
- 휠;
배터리에 저장된 전기 에너지를 기초로 상기 휠에 구동력을 제공하는 모터; 및
상기 모터가 제1 타성 주행 토크를 생성하도록 제어하고, 상기 휠의 휠 슬립을 감지하면, 상기 제1 타성 주행 토크보다 낮은 제2 타성 주행 토크를 생성하도록 상기 모터를 제어하는 제어부;를 포함하는 브레이크 시스템. - 제1항에 있어서,
사용자로부터 브레이크 유압 제어에 관한 입력 명령을 수신하는 입력부;를 더 포함하고,
상기 제어부는,
상기 브레이크 유압 제어에 관한 입력 명령을 수신하지 않으면, 제1 타성 주행 토크를 생성하도록 상기 모터를 제어하는 브레이크 시스템. - 제2항에 있어서,
상기 제어부는,
상기 입력부가 전달하는 타성 주행 레벨에 관한 입력 명령에 기초하여 상기 제1 타성 주행 토크의 크기를 결정하는 브레이크 시스템. - 제 1항에 있어서,
상기 제어부는,
브레이킹 효율을 기초로 상기 제2 타성 주행 토크의 크기를 결정하는 브레이크 시스템. - 제1항에 있어서,
상기 제어부는,
복수 개의 휠의 평균 회전 속도를 기초로 차속을 산출하고, 상기 차속 및 상기 휠의 회전 속도에 기초하여 산출되는 결과값을 미리 설정된 기준값과 비교하여 상기 휠 슬립을 감지하는 브레이크 시스템. - 제5항에 있어서,
상기 기준값은,
상기 차속, 상기 타성 주행 레벨, 및 노면의 상태 중 적어도 하나에 기초하여 결정되는 브레이크 시스템. - 브레이크 유압 제동에 관한 입력 명령을 수신하고;
상기 브레이크 유압 제동에 관한 입력 명령에 기초하여 모터가 제1 타성 주행 토크를 생성하고; 및
휠 슬립을 감지하면, 상기 제1 타성 주행 토크보다 낮은 제2 타성 주행 토크를 생성하도록 상기 모터를 제어하는 것;을 포함하는 브레이크 시스템의 제어방법. - 제 7항에 있어서,
상기 생성하는 것은,
사용자로부터 전달되는 가속 명령에 기초하여 상기 모터가 동작하는 중 상기 브레이크 유압 제어에 관한 입력 명령을 수신하지 않으면, 상기 제1 타성 주행 토크를 생성하는 것;을 포함하는 브레이크 시스템의 제어방법. - 제 8항에 있어서,
상기 수신하는 것은,
타성 주행 레벨에 관한 입력 명령을 수신하는 것;을 포함하고,
상기 생성하는 것은,
상기 수신한 타성 주행 레벨에 기초하여 상기 제1 타성 주행 토크의 크기를 결정하는 것;을 포함하는 브레이크 시스템의 제어방법. - 제 7항에 있어서,
상기 제어하는 것은,
브레이킹 효율에 기초하여 상기 제2 타성 주행 토크의 크기를 결정하는 것;을 포함하는 브레이크 시스템의 제어방법. - 제 7항에 있어서,
복수 개의 휠의 평균 회전 속도를 기초로 차속을 산출하고;
상기 차속 및 상기 휠의 회전 속도에 기초하여 산출되는 결과값을 미리 설정된 기준값과 비교하여 상기 휠 슬립을 감지하는 것;을 더 포함하는 브레이크 시스템의 제어방법. - 제 11항에 있어서,
상기 기준값은,
상기 차속, 상기 타성 주행 레벨, 및 노면의 상태 중 적어도 하나에 기초하여 결정되는 브레이크 시스템의 제어방법.
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