Abstract
The recently introduced flux switching permanent magnet motor attracts a lot of attention thanks to a robust design, better heat dissipation, high reliability, high performance. The crucial step in developing the PM motor for different applications is the geometry optimization. In this paper, the modified multi-level multi-objective optimization method which combined Taguchi and response surface methodology is introduced. The design of experiment is used for multi-objective sensitivity analysis to separate the design parameters to two groups of less important and more-important design parameters. In the first level of optimization, the less-important design parameters are set at the modified value obtained by Taguchi method. In the second level of optimization, using RSM and non-dominated sorting genetic algorithm-II (NSGA-II), the more-important design parameters optimized. The accuracy of the FEM samples is validated by the prototype of the motor. In addition due to the importance of price in the low-price industrial applications, the used PMs in pump motors do not have much quality in terms of thermal tolerance and the intensity of the tolerable external demagnetization field. Therefore, the study of demagnetization in the low-price industrial application is very important and should be properly investigated. So in this paper, a method to accurate calculation of the demagnetization rate will be introduced.
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Mahmouditabar, F., Vahedi, A. Optimum Design of FSPM Motor for Small Water Pump Application Considering Irreversible Demagnetization. Iran J Sci Technol Trans Electr Eng 45, 777–788 (2021). https://doi.org/10.1007/s40998-020-00394-6
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DOI: https://doi.org/10.1007/s40998-020-00394-6