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Improved maximum torque per ampere control strategy study for PMSM used in electric vehicles
Author(s): 
Pages: 12-17
Year: Issue:  1
Journal: Electric Machines and Control

Abstract: 针对车用内置式永磁同步电机( IPMSM)的最大转矩电流比(MTPA)的控制原理,研究一种改进的MTPA控制策略.根据变步长搜索的理论,该策略通过对理论转矩表达式进行多项式拟合,计算出需要的初始转矩角;进而从该初始值开始进行变步长搜索以获取最优转矩角,从而实现最大转矩电流比的最优控制.仿真和实验结果说明:该方法成功避开了电感和磁链等电机参数对控制性能的影响,而且弥补了传统搜索法搜索速度慢,搜索精确...
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