Modeling of air core permanent-magnet linear motors with a simplified nonlinear magnetic analysis
Kazan, Ender and Onat, Ahmet (2011) Modeling of air core permanent-magnet linear motors with a simplified nonlinear magnetic analysis. (Accepted/In Press)
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Official URL: http://www.ieeemagnetics.org/
This paper presents a new analysis method for air core permanent magnet synchronous linear motor design optimization problems with a large search space. The aim is to reduce the total computational time by replacing most of the finite element analysis (FEA) steps with an analytical model of the motor consisting of nonlinear equivalent magnetic circuit and flux density distribution models. A small number of FEA steps are used to determine some parameters of the analytical model. The result of the proposed method is compared with results of both a pure FEA design and experiments on a real motor. The proposed method has similar performance to FEA, although computationally it is at least two orders of magnitude faster.
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