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.
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。
A control circuit comprises a voltage open-loop control circuit and a semi-periodic current hysteresis-loop control circuit.
控制电路包含电压开环控制电路，半周期电流滞环控制电路。
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