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直线异步电机在线搜索法效率优化控制

, PP. 34-39

Keywords: 直线异步电机,在线搜索法,效率最优,黄金分割算法,电流分量比值

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Abstract:

直线异步电机具有较好的直接传动特性,但是由于气隙较大以及边端效应的存在,运行效率较低。本文提出了一种在线搜索效率优化方法,能够提高电机轻载运行时的效率,降低电机能耗。该方法采用黄金分割法进行全局寻优,搜索确定励磁电流分量与推力分量之间的最优比率。算法收敛速度较快,不依赖电机模型参数,而且不需要随电机负载力变化而重新启动搜索。实验结果验证了算法的正确性与电机效率优化效果。

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