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基于二阶RC 模型的锂电池建模仿真研究 被引量:3

Modeling and Simulation of Lithium Battery Based on Second-order RC Model
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摘要 建模仿真是对锂电池进行研究的重要手段,选择并建立合适的模型有助于电池的设计、改进和应用。本文基于二阶RC模型进行锂电池建模仿真,利用1stOpt对电池放电试验数据进行拟合以辨识模型参数,通过脉冲放电和恒流放电两种工况验证参数辨识的有效性和模型的准确性。仿真结果表明,端电压的仿真值与测量值之间的误差基本上小于1%,参数辨识有效,模型精度较高。 Modeling is really an important method for lithium battery research.Selecting and establishing appropriate models is helpful for battery design,improvement and application.Based on second-order RC model,this paper conducts lithium battery modeling and simulation,and uses 1stOpt to fit battery discharge test data to identify model parameters.The validity of parameter identification and accuracy of the model are verified by pulse discharge and constant discharge conditions.The simulation results show that the error between the simulated value and the measured value of terminal voltage is basically less than 1%,the parameter identification is effective,and the model accuracy is high.
作者 孙立珍 赵乐乐 邓志强 Sun Lizhen;Zhao Lele;Deng Zhiqiang(Information Network Center,Inner Mongolia Vocational and Technical College of Architecture,Hohhot Inner Mongolia 010070,China)
出处 《信息与电脑》 2020年第21期44-46,共3页 Information & Computer
基金 内蒙古教育厅项目(项目编号:NJZY20254)。
关键词 二阶RC模型 MATLAB 1stOpt second-order RC model Matlab 1stOpt
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