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This paper presents a multiobjective optimization using genetic programming (GP). In this method, an analysis model is regarded as a tree structure. This tree structure is divided into polygons and material information. Therefore, this method can be applied GP. Additionally, authors take into consideration about shape complexity. The target of electromagnetic device is an interior permanent magnetic...
In this paper, it was proposed to the optimization of skew of SPMSM with 3-dimensional finite element method (3D-FEM). The optimization technique was used multi-step parallel Genetic Algorithm (GA) and the allocation of material assignment method. As a result, in useful computation time, It was able to obtain an optimal skew special shape. And, it was able to reduce the cogging torque of more than...
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