The backEMF in the process of electrolysis is measured by continuous pulse-oscillograph.
采用连续脉冲-示波器法测定电解过程的反电动势。
2
In this paper, the closed-loop control method of hybrid step motor using the harmonic backEMF is investigated.
研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法。
3
The magnetic network model of hybrid step motor is established according to the air gap late permeance method, and the expression of the harmonic backEMF is deduced.