基于非线性模型的动力电池容量损耗的预测

The prediction of capacity loss of power battery based on nonlinear model

为了对动力电池容量损耗进行有效的预测,文章利用R语言通过对动力电池组充放电性能实验数据进行分析,得到了放电持续时间、终止电流、开路电压与容量损耗的函数关系。针对动力电池容量损耗问题,提出了基于非线性模型的动力电池容量损耗的预测分析模型,在此基础上绘制了动力电池容量损耗曲线,对电池容量损耗进行了有效的预测,并对动力电池的性能做出评估,提高了动力电池的管理水平。

In order to forecast the power battery capacity loss effectively,this article using R language to analyze the power battery charge and discharge performance of the experimental data,obtaining the duration of discharge, final current,open circuit voltage and the corresponding functional relation of capacity loss. According to the problem of the loss of power battery capacity,a forecast analysis model based on nonlinear model of power battery capacity＇s loss was proposed, and on this basis,drawing the curve of power battery capacity＇s loss,to forecast the loss of battery capacity,to evaluate the performance of power battery effectively,so to improve the management level of power battery.