集中巻線励磁のリニアモータにおける二次元電磁界解析

概要

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Linear motors are now applied to varied direct linear drive systems. It is very important to analyze magnetic field which may decide specific characteristics of linear motor. This paper presents a two-dimensional numerical solution using finite difference method. Then, the distributions of magnetic fields, induced eddy current, and generated mechanical forces in some shaped linear motors are investigated. From comparison of calculated results, it is shown that the linear motor excited by concentrated windings has relative merits.