The evolution of high power density electric vehicle drive motors stimulates the study on the techniques to optimize and evaluate power potential of machines with vastly different topologies,having a variety of different waveforms of back emf and current.

• 高功率密度电动车辆驱动电机的发展促进了评估与优化带有不同电流与反电势波形的各种结构类型电机的功率水平的方法的研究。