重复控制的开关磁阻电机转矩脉动抑制策略  

Repetitive Control Based Torque Ripple Reduction Strategy for SRM

作　　者：刘作军[1] 常硕[1] 董砚[1] 郑易[1] 

机构地区：[1]河北工业大学自动化系,天津300130

出　　处：《微电机》2013年第5期44-47,共4页Micromotors

基　　金：河北省自然科学基金项目(E2007000084);河北省科技研究与发展计划项目(06213547)

摘　　要：针对开关磁阻电机在运行中的转矩脉动问题,提出了一种基于重复控制的开关磁阻电机转矩脉动抑制方法。在具有周期性扰动的控制系统中,重复控制把上一周期的偏差和当前的偏差叠加到被控对象进行控制,以达到高精度的控制效果。在此策略基础上,通过转子位置角估算和滞环电流控制,合理调节转矩大小,使电机转矩在运行中平稳过渡,从而达到抑制其转矩脉动的效果。仿真证实该方法能够有效地抑制开关磁阻电机的转矩脉动。To reduce the torque ripple in switched reluctance motor, a strategy based on repetitive control was proposed. In the system with periodic disturbance, repetitive control can obtain high precision in the way of inputting the sum of error in the present period and the last period. Based on this strategy, the torque of SRM could be adjusted with rotator position and current hysteresis-band control to make the motor running smoothly. And high torque ripple control performance was obtained. Simulation and experiment prove the effect in reducing torque ripple of SRM.

关 键 词：开关磁阻电机 重复控制 转矩脉动 

分 类 号：TM352[电气工程—电机]