Only one space voltage vector is applied in each sampling period in the implementation of the conventional PMSM DTC system.
在常规直接转矩控制系统中,每一采样周期中只施加一个电压空间矢量。
New variable is introduced based on energetic equation, the period of vibration of three wire pendulum is studied using the method of rotating vector.
由能量方程出发,引入新变量,用旋转矢量法讨论了三线摆大角度摆动时的周期。
During a modulation period, several dead voltage vectors were synthesized. Using the control software, the reference voltage space vector could be corrected. Thus the dead-time effect was eliminated.
在一个调制周期内,可预先求出几个死区电压矢量的合成矢量,用控制软件的方法实现对参考空间电压矢量的校正,从而消除死区效应。
应用推荐