The permanent magnetism synchronous servomotor was adopted to construct the AC position servo system of multiple launch rockets.
采用永磁同步伺服电动机，构成多管火箭炮交流位置伺服系统。
2
To meet the demand of servo drive system, the vector control technique is chosen as the control strategy of permanent magnet synchronousservo system.
结合伺服传动控制系统的要求，确定永磁同步电机伺服系统的控制方案为矢量控制。
3
Due to the large torque coefficient, small torque ripple and ease of control, permanent magnet synchronous motor (PMSM) system has been widely used in many accurate servo control systems.