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本文讨论了交流电动机PWM变频调速传动系统的节能自寻优控制的构成,研究了以定子电流最小准则的自寻优系统,用准最优递推滤波提取最优控制的有效信息,用模糊控制器实现自寻优控制。实验结果表明,轻载时自寻系统有一定的节能效果。
In this paper, the structure of energy-saving self-optimizing control of AC motor PWM variable frequency drive system is discussed. The self-optimizing system based on the minimum stator current criterion is studied. The quasi-optimal recursive filter is used to extract the effective information of optimal control. The controller realizes self-optimizing control. The experimental results show that the self-search system has a certain energy-saving effect under light load.