电动势法 meaning in English

emf method

Then the thesis detailedly dissertates its research pivot : the software realization of sensorless commutation detection based on the method of back electromotive force ( bemf ) and open - loop commutation start - up
然后，详细论述了本文的研究重点：基于反电动势法的五位置传感器换相检测和开环换相起动的软件实现。
The thesis first probably explains brushless direct current motor ( bldcm ) , and discusses the related control methods , explains the background and meaning of back electromotive force ( back - emf ) which is used in the thesis . then the thesis expounds the basic component parts , the basic running principle , the running characteristic and transfer function of the bldcm . and then the thesis detailedly dissertates its research pivot : the simulation of bldcm system in matlab based on the method of back - emf and the control system of digital signal processor ( dsp ) based on the method of back - emf
本文首先对无刷直流电机进行了概述,并对其相关控制方法进行了讨论,说明本文所采用反电动势法的背景和意义;接着论述了无刷直流电机基本组成环节、基本工作原理、运行特性和传递函数,然后是详述本文研究的重点:基于反电动势法的matlab调速系统的仿真以及基于反电动势法的dsp控制系统的实现。