Firstly, to reduce the error of the parameter identification between the current model and the actual current, the paper analysis the differences between the current model and the actual current waveform of the step voltage input.

• 首先,为降低因电流模型与实际电流存在差异而引起的参数辨识误差,对阶跃电压输入下的电流响应模型与实际电流波形的差异进行了深入分析。