Abstract
Since the three-phase voltage source PWM commutator is hard to obtain favorable accommodation effect under larger disturbance and variational controlled objects when traditional PI control method is used. This paper comes up with a new type double closed-loop compound control method on the basis of traditional double closed loop control method, that is to say the combination of PI control and fuzzy control is applied to outer voltage control, and the load current is served as forward-feed compensation, inner current ring uses the PRcontrol method. By means of MATLAB/Simulink emulation, the results show that the system not only has a favorable steady-state performance, but also strong robustness to external disturbance, which could verify the feasibility of this control scheme.
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