KR100634605B1 - 차량의 회생 제동 제어방법 - Google Patents
차량의 회생 제동 제어방법 Download PDFInfo
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- KR100634605B1 KR100634605B1 KR1020040079006A KR20040079006A KR100634605B1 KR 100634605 B1 KR100634605 B1 KR 100634605B1 KR 1020040079006 A KR1020040079006 A KR 1020040079006A KR 20040079006 A KR20040079006 A KR 20040079006A KR 100634605 B1 KR100634605 B1 KR 100634605B1
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008929 regeneration Effects 0.000 claims abstract description 11
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- 241000251468 Actinopterygii Species 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
Description
즉, 회생 제동 에너지는 배터리의 충전 요구량이 많을수록 높아지고, 변속단수가 높을수록 증가하게 된다.
배터리의 방전이 많이 된 상태는 충전 요구량이 많은 상태이고, 변속단수가 높은 경우는 차속이 높을수록 차속 감속을 통한 운동 에너지가 회생 에너지로 연계되기 쉽기 때문이다.
차속이 증가할수록 운동 에너지가 증가하게 되므로 차속이 높은 조건인 변속단이 높은 조건에서 운동 에너지가 높게 되므로, 회생되는 에너지도 높게 된다.
경사로의 오르막/내리막의 구분에 대해서는 차량이 내리막길에서는 감속을 하기에 유리한 조건으로 작동하므로, 제동시 더 높은 운동 에너지의 감소가 일어난다.
따라서, 같은 제동을 하더라도 운동량이 더 큰 내리막길에서 회생 제동 에너지가 높게 되고, 오르막길 주행시 제동하는 조건에서의 회생 제동 에너지는 내리막길에 비하여 높지 않게 된다.
즉, 차량의 관성 주행시 발생하는 운동 에너지의 제동 효과를 전기 에너지로 변환하는 것이기 때문에 내리막길 조건에서 회생제동을 더 잘할 수 있게 된다.
또한, 회생 제동 에너지의 회수 경로는, "구동축(바퀴) → 변속기 → 엔진 → 모터 → 배터리", 로 연결되므로, 제동 제어시 구동축의 회전 운동 에너지는 변속기를 거쳐 엔진의 회전 에너지로 변환되고, 엔진과 연결된 모터의 발전으로 배터리의 충전이 이루어진다.
그러므로, 회생 제동 에너지를 회수함에 있어 모터의 발전력을 결정하는 요인은 구동축의 회전이며, 이는 변속 단수(Sh)에 의해 결정된다.
Claims (5)
- 차량의 회생 제동 제어방법에 있어서,배터리 충전량(SOC)에 따른 요구 충전 전류(Ireq)를 결정하는 단계와;모터 토크(Tq)를 계산하는 단계와;차속을 검출하는 단계와;모터 회전수(RPM)를 계산하는 단계와;상기 계산된 모터 회전수를 통해 재생 결정을 하는 단계와;결정된 재생 전력량 계산을 완료하는 단계와;벨트 온도를 검출하는 단계와;벨트 온도 상수를 적용하여 회생 제동 진입 준비상태를 검출하는 단계와;회생 제동 진입 준비 완료 상태이면 제동 조건을 확인하는 단계와;악셀레이터 작동상태를 검출하는 단계와;악셀레이터 작동상태가 아니면 브레이크 작동상태를 검출하는 단계와;브레이크 작동상태이면 차량 감속도(Dec)를 검출하는 단계와;검출된 차속과 모터 회전수(RPM)의 비율에 따라 모터 회전수의 하한치를 제한하는 단계와;회생 제동 압력(Pr)을 계산하는 단계와;계산된 회생 제동 압력(Pr)을 적용하는 단계와;재생 결정되면 차속/모터 회전수를 회생 제동 하한치에 도달하도록 재생하는 단계와;회생 제동 중단상태를 검출하는 단계와;회생 제동 중단상태이면 차량 감속도(Dec)를 검출하는 단계와;차속과 모터 회전수(RPM)의 비율을 검출하는 단계와;차량 흔들림 없음 제어(안티 피쉬 테일 제어)동작을 수행하는 단계를 포함하여 이루어지는 것을 특징으로 하는 차량의 회생 제동 제어방법.
- 제1항에 있어서,회생 제동 중단상태 판단은 차속 제한(Vcar_limit)값이 설정 속도 이하이고, 모터 회전수 제한(RPM_limit)값이 설정 회전수 이하이며, 엔진 공회전수(Idle RPM)가 설정 회전수로 유지되는 상태이면 회생 제동 중단상태로 판단하는 것을 특징으로 하는 차량의 회생 제동 제어방법.
- 제1항에 있어서,악셀레이터 작동상태이면 재생 제어동작을 수행하지 않고 차량 주행 중 판단을 완료하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 차량의 회생 제동 제어방법.
- 제1항에 있어서,브레이크 작동상태가 아니면 차량 감속도(Dec)를 검출하는 단계와;모터 회전수(RPM)의 하한치를 제한하는 단계와;재생 결정되면 차속/모터 회전수를 회생 제동 하한치에 도달하도록 재생하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 차량의 회생 제동 제어방법.
- 제1항에 있어서,회생 제동 압력(Pr)은 마스터 실린더 압력(Pm)에서 휠 실린더 압력(Pw)을 감한 값으로 계산하는 것을 특징으로 하는 차량의 회생 제동 제어방법.
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JP2005293041A JP4394061B2 (ja) | 2004-10-05 | 2005-10-05 | ベルト型ハイブリッド車両の回生制動制御方法 |
US11/244,260 US20060022519A1 (en) | 2004-05-10 | 2005-10-05 | Method for controlling regenerative braking of a belt-driven hybrid vehicle |
DE102005047722A DE102005047722B4 (de) | 2004-10-05 | 2005-10-05 | Verfahren zum Steuern des Rückgewinnungsbremsens von einem Hybridfahrzeug mit Riemenantrieb |
CNB2005101249154A CN100435450C (zh) | 2004-10-05 | 2005-10-08 | 用于控制皮带传动混合动力车辆的再生制动的方法 |
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JP4394061B2 (ja) | 2010-01-06 |
JP2006117234A (ja) | 2006-05-11 |
DE102005047722B4 (de) | 2007-03-29 |
CN100435450C (zh) | 2008-11-19 |
US20060022519A1 (en) | 2006-02-02 |
CN1790863A (zh) | 2006-06-21 |
DE102005047722A1 (de) | 2006-05-04 |
KR20060030211A (ko) | 2006-04-10 |
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