电动汽车铅酸蓄电池模型建立与参数辨识研究  

Research on Model Building and Parameter Identification of Lead-acid Battery for EV

作　　者：王丽平[1] 乔龙图 WANG Liping;QIAO Longtu(Zhengzhou Railway Vocational and Technical College,Zhengzhou 451460,China)

机构地区：[1]郑州铁路职业技术学院,河南郑州451460

出　　处：《郑州铁路职业技术学院学报》2023年第2期23-26,共4页Journal of Zhengzhou Railway Vocational and Technical College

摘　　要：电动汽车用蓄电池是非线性系统,建立动力电池模型的主要目的是预测电池的状态参数,在电动汽车仿真中必不可少。研究不同的电池模型,建立SD-EV2上的铅酸电池二阶RC模型,用最小二乘法进行参数辨识和模型验证,验证结果表明该模型具有较高的精度和动、静态特性。The battery for electric vehicle is a nonlinear system,the main purpose of establishing the power battery model is to predict the state parameters of the battery,which is essential in the simulation of electric vehicle.The second order RC model of lead-acid battery on SD-EV2 is established.Parameter identification and model verification are carried out by least square method.The verification results show that the model has high accuracy and dynamic and static characteristics.

关 键 词：电动汽车 二阶RC电池模型 参数辨识 

分 类 号：TM912.1[电气工程—电力电子与电力传动]