基于模糊技术感应电机最大效率控制策略的研究

被引:4
作者
徐占国
邵诚
机构
[1] 大连理工大学电子与信息工程学院
关键词
感应电机; 模糊技术; 效率控制; 损耗模型; 转矩快速响应;
D O I
10.13195/j.cd.2009.05.105.xuzhg.003
中图分类号
TM346 [感应电机];
学科分类号
080801 ;
摘要
针对感应电机效率控制过程中存在的寻优速度慢以及对电机参数依赖性大等问题,基于模糊技术,提出一种新的最大效率控制策略.由电动机损耗模型选取最优磁链搜索初值,根据输入功率偏差的大小自动调整模糊控制维数,大大提高了搜索速度,同时确保了效率寻优的稳定性.采用前馈补偿方法,并引入一阶微分环节解决了效率控制中的低频转矩脉动和转矩快速响应问题.仿真和实验结果表明,所提出的控制策略是有效的.
引用
收藏
页码:743 / 748
页数:6
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