准正弦波 meaning in English
quasisinewave
Examples
- For the bldcm which has a pseudo - sinusoidal back - emf waveform , this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple . the main aspects for the implementation of this method are analyzed , including the initial orientation of the voltage vector , reasonable choice of the impedance angle and the advance commutation angle , and estimation of the successive rotor positions
针对反电动势类似正弦的准正弦波反电动势无刷直流电动机，本文提出一种基于六个离散位置信号的自同步svpwm (电压空间矢量法)控制方法，用以削弱电磁转矩脉动，分析了实现这种方法的主要控制环节，包括起动时电压空间矢量的初始定位，阻抗角与电流超前角的合理选择以及连续转子位置的估计等。 - This dissertation presents several novel control techniques for the torque ripple minimization of pm bldcm . according to the different back - emf waveforms of bldcm , this dissertation gives a detailed analysis to the torque ripple due to trapezoidal emf , pseudo - sinusoidal emf , and general shape emf respectively , and from each one proposes a kind of control technique for torque ripple minimization
根据永磁无刷直流电动机反电势波形的不同，对方波型无刷直流电动机的换相转矩脉动，准正弦波( pseudo - sinusoidalemf )反电动势无刷直流电动机以及任意波形反电动势无刷直流电动机的电磁转矩脉动，进行了详细的分析，分别提出三种不同的控制策略，进行转矩脉动抑制控制。