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.
系统通过瞬时无功功率闭环，实现了功率因数的恒定控制和无功功率的无静差调节。
The closed loop control of instantaneous reactive power is used to realize the constant power factor and suppresses the reactive power impact.
该调速系统以电压负反馈代替转速反馈，形成闭环控制，以比例积分调节器实现无静差调速，具有良好的性能。
It can research PWM regulating speed. In the system, voltage feedback instead of speed feedback, PI regulating no steady-state error. So it has a good dynamic and steady performance.
该调速系统以电压负反馈代替转速反馈，形成闭环控制，以比例积分调节器实现无静差调速，具有良好的性能。
It can research PWM regulating speed. In the system, voltage feedback instead of speed feedback, PI regulating no steady-state error. So it has a good dynamic and steady performance.
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