交流伺服系统的串级滑模变结构控制

Cascade Slide Mode Variable Structure Control of AC Servo System

针对永磁同步电机交流伺服系统,提出了串级滑模控制方案。在速度环滑模控制器中引入了积分环节,减小了转矩的脉动,位置环采用了准滑模控制方案,极大地抑制了位置输出的抖动。仿真研究表明,该控制方案具有较强的抗参数摄动和抗干扰能力,表现出良好的控制性能。

A cascade slide mode control scheme of AC servo system for permanent-magnet synchronous machine is introduced. An integrated component is added into the slide mode controller of speed loop to reduce the torque ripple and a pseudo slide mode control scheme is adopted in positiom loop to restrain position viboration. Simulation experiment shows that this scheme has strong A. J. ability and good control performances.