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首页> 外文会议>2010 Second Pacific-Asia Conference on Circuits,Communications and System >Research on the PWM rectifier's voltage loop after the fuzzy algorithm is adopted
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Research on the PWM rectifier's voltage loop after the fuzzy algorithm is adopted

机译：采用模糊算法后PWM整流器电压回路的研究

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This paper expounds the double closed-loop control configuration which is composed by the outer voltage control loop and the inner current loop of the PWM rectifier, and the function of the outer voltage control loop is pointed out. To improve the control performance, a voltage controller whose voltage loop is designed by the fuzzy algorithm is used. The voltage error fuzzy variable e's membership functions is researched, and also the Rate of change of the voltage error fuzzy variable ce and the fuzzy variable ?u which is exported by fuzzy controller. Their influences to the control performance are considered. After the simulation experiments, it shows that the voltage outer loop fuzzy control is feasible and effective. The performance of the outer voltage control loop can be improved.
机译：本文阐述了由PWM整流器的外部电压控制环路和内部电流环路组成的双闭环控制结构，并指出了外部电压控制环路的功能。为了提高控制性能，使用了电压控制器通过模糊算法设计的电压控制器。研究了电压误差模糊变量e的隶属函数，并研究了电压误差模糊变量ce和由模糊控制器输出的模糊变量的变化率。考虑它们对控制性能的影响。仿真实验表明，电压外环模糊控制是可行和有效的。可以改善外部电压控制环路的性能。

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