Abstract
This paper proposes the optimal design of a surface-mounted permanent magnet synchronous motor for electric wheelchair applications. The Finite Element Method (FEM) ensures an accurate analysis of the motor. However, its calculation time is too large. Moreover, as the objective function or design variable increases, the computation time increases exponentially. Therefore, a multi-objective function optimization algorithm was applied to reduce the FEM’s analysis time. The optimal design is compared with a commercial motor with the same power output. The stacking length was reduced by 42.0% and the volume was reduced by 34.3%. To validate the proposed design’s functionality, a prototype motor was fabricated and tested. The experiment’s results demonstrated a high similarity to those of the theoretical analysis.
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