KR100863888B1 - 하이브리드 전기 자동차용 배터리의 최대 출력 추정 방법 - Google Patents
하이브리드 전기 자동차용 배터리의 최대 출력 추정 방법 Download PDFInfo
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Abstract
Description
Claims (5)
- 하이브리드 전기 자동차용 배터리의 최대 출력 추정 방법으로서,상기 자동차가 운행될 수 있는 복수의 배터리 충전 상태(SOC)에 따른 배터리의 최대 충방전 출력을 추출하여 양자의 상관 관계를 산출하는 단계와,상기 자동차가 운행될 수 있는 복수의 온도(temp)에서의 배터리의 최대 출력을 추출하여 양자의 상관 관계를 산출하는 단계와,상기 자동차의 주행시 배터리의 용량이 방전됨에 따른 배터리의 출력의 퇴화율을 추출하여 양자의 상관 관계를 산출하는 단계와,상기 각각의 단계들을 통해 얻어지는 상관 관계에 기초하여, 배터리의 최대 출력(Powermax)을 다음과 같은 함수를 통해 추정하는 단계를 포함하는 것을 특징으로 하는 하이브리드 전기 자동차용 배터리의 최대 출력 추정 방법.Powermax(W) = F(SOC, temp, accumulated discharge Ah)= F(SOC, temp) × F(accumulated discharge Ah)상기 식에서, SOC 단위는 %, temp의 단위는 ℃, Powermax의 단위는 W임
- 청구항 제1항에 있어서, 상기 함수에서 F(SOC, temp)는 다음과 같은 관계식을 통해 계산되는 것을 특징으로 하는 하이브리드 전기 자동차용 배터리의 최대 출력 추정 방법.F(SOC, temp) = F(temp)5×SOC5 + F(temp)4×SOC4 + F(temp)3×SOC3 + F(temp)2×SOC2 + F(temp)1×SOC + F(temp)0,상기 식에서, F(temp)k = D2k×temp2 + D1k×temp1 + D0k(D0k~D2k는 상수, 0≤k≤5, k는 정수)상기 식에서, SOC 단위는 %, temp의 단위는 ℃임
- 청구항 제1 또는 제2항에 있어서, 상기 배터리의 최대 출력은 자동차의 주행시 방전되는 배터리의 용량에 따른 배터리의 퇴화율을 나타내는 관계식을 통해 보상되는 것을 특징으로 하는 하이브리드 전기 자동차용 배터리의 최대 출력 추정 방법.F(accumulated discharge Ah) = C5k5 + C4k4 + C3k3 + C2k2 + C1k + C0상기 식에서, C5~C0는 상수이고, k(단위는 Ah임)는 배터리의 방전 용량으로서 [0,300000]의 범위에 있으며, 상기 함수에 입력값으로 입력되는 경우, [-1,1]의 범위의 값으로 바뀌어 입력된다
- 청구항 3항에 있어서, 상기 배터리의 방전 용량에 따른 출력 퇴화율은 다음과 같은 식으로 표현되는 것을 특징으로 하는 하이브리드 전기 자동차용 배터리의 최대 출력 추정 방법.F(accumulated discharge Ah) = -16.3986k5 + 15.0026k4 + 13.307k3 - 8.38698k2 - 7.96289k + 82.3028(k의 단위는 Ah임)
- 청구항 4항에 있어서, 상기 추정된 최대 출력값을 배터리 관리 시스템(BMS)을 통해 상기 하이브리드 전기 자동차의 차량 제어 장치에 전달하여 배터리의 충방전 출력을 제어하는 단계를 더 포함하는 것을 특징으로 하는 하이브리드 전기 자동차용 배터리의 최대 출력 추정 방법.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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KR1020050018037A KR100863888B1 (ko) | 2005-03-04 | 2005-03-04 | 하이브리드 전기 자동차용 배터리의 최대 출력 추정 방법 |
CN2006800070718A CN101133514B (zh) | 2005-03-04 | 2006-03-03 | 评估hev电池包的可用能量的方法 |
PCT/KR2006/000731 WO2006107140A1 (en) | 2005-03-04 | 2006-03-03 | Method of estimating available power for hev battery pack |
TW095107295A TWI336968B (en) | 2005-03-04 | 2006-03-03 | Method of estimating maximum output of battery for hybrid electric vehicle |
JP2007557934A JP5026287B2 (ja) | 2005-03-04 | 2006-03-03 | ハイブリッド電気自動車用バッテリーの最大出力推定方法 |
EP06716181.0A EP1861891B1 (en) | 2005-03-04 | 2006-03-03 | Method of estimating available power for hev battery pack |
US11/368,896 US7518375B2 (en) | 2005-03-04 | 2006-03-06 | Method of estimating maximum output of battery for hybrid electric vehicle |
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KR1020050018037A KR100863888B1 (ko) | 2005-03-04 | 2005-03-04 | 하이브리드 전기 자동차용 배터리의 최대 출력 추정 방법 |
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KR20060096820A KR20060096820A (ko) | 2006-09-13 |
KR100863888B1 true KR100863888B1 (ko) | 2008-10-15 |
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US (1) | US7518375B2 (ko) |
EP (1) | EP1861891B1 (ko) |
JP (1) | JP5026287B2 (ko) |
KR (1) | KR100863888B1 (ko) |
CN (1) | CN101133514B (ko) |
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WO (1) | WO2006107140A1 (ko) |
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KR100901593B1 (ko) * | 2007-08-20 | 2009-06-08 | 현대자동차주식회사 | 온도에 따른 고전압 배터리의 가용 soc 최적화 방법 |
WO2009067810A1 (en) * | 2007-11-30 | 2009-06-04 | Advanced Lithium Power Inc. | Apparatus, method and memory for improving the performance and charging of hybrid electric vehicles |
WO2011021226A2 (en) * | 2009-08-21 | 2011-02-24 | Reva Electric Car Company (Pvt) Limited | Determination and usage of reserve energy in stored energy systems |
JP5201190B2 (ja) * | 2010-10-08 | 2013-06-05 | 三菱自動車工業株式会社 | ハイブリット車のクラッチ制御装置 |
JP5736821B2 (ja) * | 2011-02-15 | 2015-06-17 | トヨタ自動車株式会社 | ハイブリッド自動車 |
JP5696547B2 (ja) * | 2011-03-22 | 2015-04-08 | トヨタ自動車株式会社 | 二次電池の制御装置 |
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JP5026287B2 (ja) | 2012-09-12 |
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