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No-load magnetic field analysis of the double side air-cored permanent magnet linear servo motor
Author(s): 
Pages: 56-60
Year: Issue:  1
Journal: Electric Machines and Control

Keyword:  magnetic fieldpermanent magnetlinear motorsservo motorsMr-cored;
Abstract: 针对双边空心式永磁直线伺服电机推力波动受到气隙磁场影响的问题,研究该电机空载气隙磁场的分析求解方法.采用等效磁化强度法对双边空心式永磁直线伺服电机的气隙磁场进行求解,推导出气隙和磁极区域中磁场的解析公式.将解析分析与有限元分析结果进行比较,验证解析法的计算结果的准确性.根据气隙磁密的解析公式,分析了3个主要尺寸--永磁体宽度T_m、永磁体高度h_m和气隙高度δ对空载气隙磁场的影响.分析表明,永磁体...
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