全数字交流伺服系统快速分段矢量电流控制

Fast Split Vector Current Control for The Full-digital AC Servo System

本文分析了永磁同步伺服电动机转子定向解耦控制的条件,阐述了全数字式电流控制中电流矢量解耦和快速跟踪的问题,采用了一种利用空间矢量实现电流矢量解耦和快速跟踪的方案,并对电流控制中减小转矩波动的机理进行了研究。数字仿真和实验结果证明了方案的正确性和可行性。

This paper analyses the condition of PMSM rator-oriented decoupling control,describes the ques- tion of current vector decoupling and quick response in full-digital current control,applies a strategy to realize current vector decoupling and quick response by applying space vector.In the same time,the paper studies the principle to decrease torque ripple in current control.Digital simulation and experiment result have proved the strategy true and valid.