电动汽车锂电池戴维南等效电路模型参数辨识研究  

Research on parameter identification of Thevinin equivalent circuit model about electric vehicle lithium-ion battery

作　　者：李百华[1] 郭灿彬[1] 钟其水[2] 涂涛[2] 

机构地区：[1]广东机电职业技术学院,广东广州510515 [2]电子科技大学航空航天学院,四川成都611731

出　　处：《微型机与应用》2017年第1期83-85,88,共4页Microcomputer & Its Applications

摘　　要：首先分析了锂离子电池的特性和充放电原理,介绍了锂离子电池的戴维南(Thevinin)等效电路模型,并采用脉冲法和递推最小二乘法相结合对戴维南等效电路模型参数进行辨识,实现了戴维南等效电路模型参数的实时在线辨识,为电动汽车锂电池的等效电路模型的分析研究提供了一种可行方式。Firstly,it analyzed the characteristics and principle of charging and discharging about lithium-ion battery, and then analyzed the Thevinin equivalent circuit model of lithium-ion battery, distinguished the model parameters through combination of pulse discharge method and recursive least square method,realized real-time and on-line identification of the model parameters. It provided a feasible way for the analysis and research about the equivalent circuit model of electric vehicle lithium-ion battery.

关 键 词：电动汽车 等效电路 脉冲法 最小二乘法 

分 类 号：U469.722[机械工程—车辆工程]