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Design of single-sided linear induction motor using the finite element method and SUMT

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3 Author(s)
Dal-Ho Im ; Dept. of Electr. Eng., Hanyang Univ., Seoul, South Korea ; Seung-Chan Park ; Jee-Won Im

The optimization of the design variables of a single-sided linear induction motor (SLIM) using the finite-element method (FEM) and the sequential unconstrained minimization technique (SUMT) is presented. Thrust is taken as an objective function in order to maximize thrust under a constant current drive, and seven independent design variables and nine constraints are chosen. As a result, pole pitch/airgap and pole pitch/aluminum depth for the best design are determined. Thrust is increased by 30% under a constant current of 12 A, so that the input current can be reduced to 10.5 A for necessary starting thrust because thrust is proportional to I2

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Magnetics, IEEE Transactions on  (Volume:29 ,  Issue: 2 )