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GA-based Optimization of a Surface-mounted Permanent Magnet Synchronous Motor

P. Cruz-Romero, A. Rodríguez del Nozal, J. M. Mauricio, M.A. González-Cagigal

Department of Electrical Engineering, E.T.S.I., Sevilla University
Sevilla(Spain).

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2026-02-15

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Abstract

The paper deals with a simple procedure to design surface mounted permanent magnet synchronous machines, based on genetic algorithms scripted in Python library deap. The paper includes the formulas involved in the motor design, the operational constraints, the fitness functions (torque constant and motor weight), as well as the results obtained after running the algorithm in a case study.

Key words: Fitness function, genetic algorithms, surface mounted permanent magnet, motor constant, Pareto front.

Published in: Renewable Energies, Environment & Power Quality Journal (REE&PQJ)
ISSUE: Vol. 25. No. 3 Pages: 279-284
E-ISSN: 3020-531 X Date of Current Version: 2026-02-01
REF: 548 Issue Date: 2026-02-15
DOI:10.24084/reepqj25-548 Publisher: AEDERMACP/ EA4EPQ

References

[1] S.D. Sudhoff, J. Cale, B. Cassimere, and M. Swinney, “Genetic algorithm based design of a permanent magnet
synchronous machine”, IEEE International Conference on Electric Machines and Drives, 2005.

[2] G. Cvetkovski, L. Petkovska, “Multi-objective optimal design of permanent magnet synchronous motor”, IEEE International Power Electronics and Motion Control Conference, 2016.

[3] X. Zhao, Z. Sun, and Y. Xu, “Multi-objective optimization design of permanent magnet synchronous motor based on genetic algorithm”, International Conference on Machine Learning, Big Data and Business Intelligence, 2020.

[4] C. Lu, S. Ferrari, G. Pellegrino, C. Bianchini, and M. Davoli “Parametric Design Method for SPM Machines Including
Rounded PM Shape”, IEEE Energy Conversion Congress and Exposition, Cincinnati, USA, 2017.

[5] C. Lu, Design Methods for Surface Mounted Permanent Magnet Synchronous Machines, Doctoral dissertation, 2018.

[6] O. Kramer, Genetic Algorithms, Springer International Publishing, 2017.

[7] A. Ter-Sarkisov, S. Marsland, “Convergence Properties of (μ+ λ) Evolutionary Algorithms”, Proceedings of the AAAI
Conference on Artificial Intelligence, 2011.

[8] K. Deb, A. Pratap, S. Agarwal, T. Meyarivan, “A Fast and Elitist Multiobjective Genetic Algorithm: NSGA II”, IEEE
Transactions on Evolutionary Computation, vol.6, no. 2, 2002.

 
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