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一种用于异步电机效率优化的混合搜索方法 被引量:6

Hybrid search method for efficiency optimization control of induction motor drives
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摘要 针对异步电机效率优化问题,提出了一种混合搜索方法。该方法起始于模糊自适应搜索,然后切换至黄金分割法以获取确定收敛速度。这样的搜索步骤能够降低转矩波动,避免在最优点附近发生振荡。利用一个包含铁损和机械损耗的异步电机模型,对该方法进行了矢量控制下的性能验证。仿真结果验证了该方法的有效性。 A hybrid search method is proposed for the efficiency optimization of vector controlled induction motors. This method gives fuzzy logic based adaptive search steps and then switches to the golden section technique to obtain a fixed convergence rate. Such a procedure reduces torque pulsation and avoids search oscillation around the optimal flux. Simulation results with a lossy model of a vector controlled induction motor show the feasibility of the method.
出处 《电机与控制学报》 EI CSCD 北大核心 2009年第3期337-341,共5页 Electric Machines and Control
基金 中国科学院知识创新工程项目(CX07-03-003)
关键词 异步电机 效率优化 搜索控制 模糊搜索 黄金分割法 混合搜索 induction motors efficiency optimization search control fuzzy logic based search golden section technique hybrid search
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参考文献14

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二级参考文献70

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共引文献114

同被引文献48

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