| The efficiency of a Ni MH battery used in hybrid vehicles |
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| 引用本文： | HU Ming hui and QIN Da tong.The efficiency of a Ni MH battery used in hybrid vehicles[J].保鲜与加工,2009(3):279-282. |
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| 作者姓名： | HU Ming hui and QIN Da tong |
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| 作者单位： | (College of Mechanical Engineering, Chongqing University, Chongqing 400030, P. R. China);(College of Mechanical Engineering, Chongqing University, Chongqing 400031, P. R. China) |
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| 摘 要： | The efficiency of the 60QNY6.5 battery is studied by testing and theoretical analysis in order to improve the control precision of hybrid electric vehicles (HEVs) and the battery useful life. A rig for testing the Ni MH batteries of HEVs is established. The data from experiments performed on the Ni MH battery are analyzed. Based on the experimental results and the temperature of the batteries, internal resistance and electromotance models of Ni MH batteries are proposed by function fitting methods. The theoretic formula for battery efficiency is deduced by the operational principle of the battery and motor, which provides theoretical basis for dynamic optimizing technology of HEV system controlling strategy.
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| 关 键 词： | hybrid electric vehicles (HEVs) Ni MH battery efficiency |
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