摘要：本文通过Matlab/Simulink模型仿真与具体实验相结合，分析论证了PMSM伺服系统制动过程中电压电流的变化规律，针对制动过程中泵生电压的变化，结合实际工况，对反馈能量大小进行预测，为储能电容和制动电阻的选取提供了一定的理论依据和工程方法。

关键词：PMSM；制动过程；泵升电压；反馈能量预测

Abstract: Combining the simulation on Matlab/Simulink model with practical experiments,this paper analysis and demonstrates the principle of voltage and current in the braking process of PMSM Servo System. According to the variation of the pumped voltage during the braking process, the size of the energy fe