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Linear permanent magnet (LPM) machines are used in various fields. In order to generate high thrust force, the size of LPM machine becomes large. Then, magnetic geared linear motor (MGLM) has been proposed. MGLM realizes a high thrust force and downsizing. This paper proposes a new design of MGLM. In addition, two designs of magnetization direction, axial direction and radial direction, are compared...
In this paper various configurations of linear switched reluctance motor (LSRM) with permanent magnet (PM) are studied in order to obtain the high driving force construction. The 3-D Finite Element Method (FEM) is used to evaluate LSRM parameters. By comparing the maximum driving force the optimal construction has been determined. Its average driving force is increased 27%. The analysis presents that...
This paper presents the design and analysis of a zero cogging halbach array permanent magnet Brushless DC motor (PMBLDC) meant for spacecraft applications. The design of the zero cogging BLDC motor requires the choice of slotless configuration. Three types of machine configurations, Slotless PMBLDC with radial, parallel and halbach magnetization were compared and analyzed using analytical models....
This paper presents effect of magnet arrangement on torque characteristics of a magnetic flux concentration type surface magnet motor. Some constructions of the permanent magnet array were tried to reduce the cogging torque. Their magnetic flux distributions and torque characteristics were calculated by using the finite element method.
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