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Dynamic Characteristic in Permanent Magnet AC Synchronous Servo Motor Position Servo System Based on Compound Feedforward Control
Author(s): 
Pages: 29-32,42
Year: Issue:  1
Journal: S&M Electric Machines

Keyword:  永磁同步电动机 磁场定向 前馈控制 复合控制;
Abstract: 永磁同步电动机(PMSM)位置伺服系统经典PID控制具有控制结构简单、响应快等优点,但存在等速跟踪和正弦跟踪稳态精度低等缺点。提出并设计了复合前馈控制器,其中速度环采用PI控制,位置环通过复合前馈控制的设计来消除等速与正弦跟踪误差。计算机仿真结果表明,该控制器可有效降低PMSM位置伺服系统在等速与正弦跟踪时的稳态跟踪误差,提高其控制精度。
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