STUDY ON ESTIMATING OF THE STATE OF CHARGE OF NI/MH BATTERY PACK FOR ELECTRIC VEHICLE

›› 2005, Vol. 41 ›› Issue (12): 62-65.

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STUDY ON ESTIMATING OF THE STATE OF CHARGE OF NI/MH BATTERY PACK FOR ELECTRIC VEHICLE

Wang Junping;Chen Quanshi;Lin Chengtao

School of Mechanical Engineering, Xi’an Jiaotong University State Key Laboratory of Automobile Safety & Energy Conservation, Tsinghua University

Published:2005-12-15

Abstract

Abstract: The FUDS is used to charge and discharge the Ni/MH battery pack and the battery’s state space model with single state is built. Take the SOC as the state of the system the estimating SOC based on Kalman-filtering method is studied. The max relatively error of the estimating results is 2.15%. This method is suit for the HEV where the batteries working in dynamic state or silent state. This method has less computation burden and is suitable for application.

Key words: Kalman filtering method, Ni/MH battery pack, State of charge

CLC Number:

TM912.1

Wang Junping;Chen Quanshi;Lin Chengtao. STUDY ON ESTIMATING OF THE STATE OF CHARGE OF NI/MH BATTERY PACK FOR ELECTRIC VEHICLE[J]. , 2005, 41(12): 62-65.

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STUDY ON ESTIMATING OF THE STATE OF CHARGE OF NI/MH BATTERY PACK FOR ELECTRIC VEHICLE

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