一种动态抑制无刷直流电机换相转矩脉动方法  

Dynamic Suppression Method for Commutation Torque Ripple of Brushless DC Motors

作　　者：夏鲲[1] 谭媛[1] 董斌[1] 卢晶[1] 

机构地区：[1]上海理工大学电气工程系,上海200093

出　　处：《系统仿真学报》2018年第2期543-550,共8页Journal of System Simulation

基　　金：国家自然科学基金(51207091;E070303)

摘　　要：提出了一种基于准Z源网络的动态抑制换相转矩脉动的方法,可以在无刷直流电机(BLDCM)转速调整过程中动态抑制转矩脉动。考虑电机绕组相电阻,建立了系统的数学模型,通过前置的准Z源网络,当电机转速及负载发生改变时,实时在线计算并调节换相电压Uup和换相时间tup以达到动态抑制转矩脉动的效果。在MATLAB/Simulink环境下完成了基于准Z源网络的动态抑制无刷直流电机换相转矩脉动仿真模型,通过实验平台验证了该方法的可行性。A dynamic suppression method for commutation torque ripple by employing a quasi-Z-source network was proposed, which reduced the torque ripple dynamically during the speed adjustment process in brushless DC motors （BLDCM）. The phase resistance was taken into consideration and the mathematics model for the system was established. To suppress the commutation torque ripples timely and effectively, Uup and tup needed to be adjusted dynamically through the quasi-Z-source network while the speed and load changed. A simulation model to dynamically suppress the commutation torque ripple in BLDCM based on quasi-Z-source network was established by MATLAB/Simulink, and the feasibility was validated by experiments.

关 键 词：无刷直流电机 换相转矩脉动 准Z源网络 动态抑制 

分 类 号：TM315[电气工程—电机]