A secondorderfilter is used to smooth the speed reference signal, and the perfect non-overshooting speed tracking is achieved.
采用二阶滤波环节平滑速度指令，实现了理想无超调的快速速度跟踪控制。
2
Based on the prime radix DFT and number theory, an algorithm using the secondorder recursive filter and the zero factor prime radix Fourier Transform (ZFT) is presented.
从素基数DFT出发，应用数论理论讨论了一种应用二阶递归滤波结构的算法及零因子转换算法(ZFT)。
3
A nonlinear speed controller for permanent magnet synchronous motor based on adaptive backstepping control was designed, which USES second-orderfilter to smooth the speed reference.