减小开关磁阻电机转矩脉动的控制策略研究

转矩脉冲是开关磁阻电机较为突出的缺点．本文基于电机结构及参数确定的情况，提出制定新的控制策略以减小转矩脉动。为衡量转矩脉动，定义了转矩脉动系数；通过数字仿真方法研究了不同控制参数与电机性能指标的关系；以减小转矩脉动为目标．本文根据仿真结果选择较优的控制参数，并通过拟合给出样机的控制策略；最后分析了此控制策略下电机的性能．

Research on Control Strategy to Minimize Torque Ripple of a Switched Reluctance Motor

ne of major disadvantages of a switched reluctance motor(SRM) is torque ripple. on the basis of the confirmation of SRM structure and parameters, this paper presents a kind of control strategy to minimize SRM's torque ripple. To express the torque ripple,the coefficient of the torque ripple is defined. The effect of different control parameters on the performance of SRM is also studied. Aiming at reducing the torque ripple,this paper selects the optimum control parameters on the basis of simulation results and gives the control strategy of a protype motor. In the end, the Performance of SRM controlled with the control strategy is analyzed.