Journal of Electrical Engineering and Electronic TechnologyISSN: 2325-9833

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Research Article, J Electr Eng Electron Technol Vol: 5 Issue: 1

A Geometry Optimization of Fundamental Characteristics of a Brushless DC Motor Using FEM and Evolutionary Algorithms

Yadghar A1*, Ketabi A1, Navardi MJ2 and Mokhtari M2
1Department of Electrical Engineering, University of Kashan, Iran
2Department of Electrical Engineering, Islamic Azad University, Kashan, Iran
Corresponding author : Yadghar A
Department of Electrical Engineering, University of Kashan, Kashan, Iran, 8731753153
Tel: 03155919
Fax: 03155511121
E-mail: [email protected]
Received: December 06, 2015 Accepted: February 25, 2016 Published: March 04, 2016
Citation: Yadghar A, Ketabi A, Navardi MJ, Mokhtari M (2016) A Geometry Optimization of Fundamental Characteristics of a Brushless DC Motor Using FEM and Evolutionary Algorithms. J Electr Eng Electron Technol 5:1. doi:10.4172/2325-9833.1000121

Abstract

This paper describes a design procedure that optimizes the three principle functions of a brushless DC (BLDC) motor. The weight, average torque and cogging torque of a 3phase, 6 slot BLDC motor with 4 surface mounted permanent magnet has been optimized by MOGA and DE. The upper and lower limits of the motor geometries are cast into the role of optimization in DE but MOGA is bounded to no constraints as far as it doesn’t conflict. Finally the paper suggests a group of geometries from MOGA that each of them has been dominated in one or some of the objective functions and compared them to DE and other references.

Keywords: Brushless machine; Finite element methods; Genetic algorithms; Evolutionary computation, Torque control, Torque measurement

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