Constituted the speed closed-loop system with the speed feedback, used the low pass filter method to reduce the error, so the overall system control performance is advanced.
利用计算出来的速度反馈构成了速度闭环系统，并采用低通滤波方法减小误差，同时应用了零矢量调制控制法减小转矩脉动，提高了整个系统的控制性能。
A simple formula of unit noise gain is derived for suboptimal second-order state-space digital filter with error feedback.
本文导出误差反馈次最优二阶状态空间数字滤波器单位噪声增益的计算公式。
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