This dissertation mainly investigates some robust control strategies of the electromechanical actuator which is supposed to be activated by the sinusoidal permanent magnet synchronous motor ( pmsm ) and limited angle torque motor ( latm ) 本文主要研究了基于正弦波永磁同步電機(jī)( pmsm )及有限轉(zhuǎn)角力矩電機(jī)( latm )驅(qū)動(dòng)的電動(dòng)舵機(jī)的魯棒控制策略。