Performance derivative calculations and optimization process

Author

Gitosusastro, S. ; Coulomb, J.l. ; Sabonnadiere, J.C.

Author_Institution

Lab. d´´Electrotech. de Grenoble, ENSIEG, Saint Martin d´´Heres, France

Volume

25

Issue

4

fYear

1989

fDate

7/1/1989 12:00:00 AM

Firstpage

2834

Lastpage

2839

Abstract

The calculation of the sensitivity versus a geometric or physical parameter and its use in an optimization process are presented. The 2-D finite-element method is used in the magnetic field calculation. The quasiNewton method is used to determine the direction of minimization, and the constraints of upper and lower bounds of parameters are treated by the penalty function. A cubic approximation method is used in the unidimensional minimization. Minimization of the current density (J _c) while keeping the force desired for a relay model is presented as an example

Keywords

electromagnetic field theory; finite element analysis; optimisation; 2-D finite-element method; cubic approximation method; current density; geometric parameter; lower bounds; magnetic field calculation; minimization; optimization process; penalty function; performance derivative calculations; physical parameter; quasiNewton method; relay model; sensitivity; Current density; Design optimization; Finite element methods; Magnetic fields; Magnetic flux; Magnetostatics; Minimization; Sensitivity analysis; Shape; Soft magnetic materials;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.34299

Filename

34299