基于永磁同步电机的航空稳定平台伺服系统实现

Designing the Airborne Stabilization Platform Based on the PMSM Servo System

传统的航空稳定平台一般采用直流有刷电机进行驱动,由于该种电机具有电刷和换向器,存在高空低温电刷易结霜、电刷易产生电火花等问题,严重影响了电机的使用寿命。同时该种电机电刷的摩擦力矩是影响电机力矩平稳性的一项重要因素。相对于直流有刷电机而言,永磁同步电机采用电子换相,不存在以上问题,更适合于航空环境。设计了基于永磁同步电机的伺服系统,研究了矢量控制方式。实验测试结果表明,基于永磁同步电机的伺服系统各项指标满足实际系统的要求。

The brush DC motor was widely used on the airborne stabilization platform.But due to the brush of the motor,the frost on the brush will stop the motor when the temperature is below zero,and due to the brush,this kind of mo-tor can＇t meet the long work time of airborne stabi-lization platform.Compare with the brush DC mo-tor, the permanent magnet synchronou motor （PMSM）can avoid these problems.In this paper, the PMSM servo system for the airborne stabiliza-tion platform was studied,and the results show that,the PMSM servo system can meet the requir-ment of the airborne stabilization platform.