Simulation Research and Embedded Implementation of Model Based SOC Estimation for Lithium Battery

Youyu Wu, Dingyinan Zhou

2021 6th International Conference on Smart Grid and Electrical Automation (ICSGEA)（2021）

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摘要

State of charge (SOC) estimation is one of the key technologies in battery management system of electric vehicle. In order to improve the estimation accuracy of SOC, this paper improves the extended Kalman filter (EKF) algorithm; in the identification of model parameters, this paper uses the least square method based on the forgetting factor to construct a lithium battery time-varying parameter mo...

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关键词

Estimation error,Tools,Lithium batteries,Smart grids,State of charge,Mathematical model,Kalman filters

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