Multiobjective optimal design of interior permanent magnet synchronous motors considering improved core loss formula

Author

Sim, Dong-Joon ; Cho, Dong-Hyeok ; Jung, Hyun-Kyo ; Hahn, Song-Yop

Author_Institution

Steel Process Div., RIST, Pohang, South Korea

fYear

1997

Abstract

This paper describes the optimal design of interior permanent magnet synchronous motors for which two objective functions regarding motor efficiency and weight are used. Multiobjective optimization technique is applied to finding the optimal solution in this case. An optimal design method that determines both the noninferior set and the best compromise solution employing a modified genetic algorithm is proposed. In order to predict the motor performance more accurately, a core loss formula is derived considering the flux variation due to the armature reaction MMF as well as that due to the magnet

Keywords

genetic algorithms; machine theory; magnetic cores; magnetic flux; permanent magnet motors; synchronous motors; armature reaction MMF; best compromise solution; core loss formula; flux variation; interior permanent magnet synchronous motors; modified genetic algorithm; motor efficiency; motor performance prediction; motor weight; multiobjective optimal design; multiobjective optimization technique; noninferior set; Core loss; Eddy currents; Genetic algorithms; Hysteresis motors; Magnetic flux; Permanent magnet motors; Stator cores; Steel; Synchronous motors; Teeth;

fLanguage

English

Publisher

ieee

Conference_Titel

Electric Machines and Drives Conference Record, 1997. IEEE International

Conference_Location

Milwaukee, WI

Print_ISBN

0-7803-3946-0

Type

conf

DOI

10.1109/IEMDC.1997.604059

Filename

604059