所提出的模糊递推积分PI控制算法还可以对周期性的被控量实现无静差控制，如交流电机的闭环控制。
The proposed recursive integral PI algorithm can also be applied to the control of periodic reference current with zero steady-state error, such as sin AC drive control.
并采用广义积分器原理实现对三相电流在两相静止坐标下的控制，实现了正负序电流的无静差跟踪控制。
Generalized integrator was used to realize static error free tracking control of positive and negative sequence current under two-phase static coordinate.
实验证明，这种设计方法可保证伺服系统具有无抖动、无静差、响应快且鲁棒性好，是一种很实用的工程控制方法。
The experiment proves that the AC servo system using the dynamic design can acquire chattering free, static errorless, fast and robust response.
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