Adjoint field technique applied in optimal design of a nonlinear inductor

Author

Ioan, Daniel ; Munteanu, Irina ; Ciuprina, Gabriela

Author_Institution

Dept. of Electr. Eng., Bucharest Univ., Romania

Volume

34

Issue

5

fYear

1998

fDate

9/1/1998 12:00:00 AM

Firstpage

2849

Lastpage

2852

Abstract

The paper presents an efficient approach based on the adjoint field technique (AFT) for calculating first-order sensitivities of 3D nonlinear magnetic devices to geometric parameters. The sensitivities thus calculated are useful in the devices´ (re)design. The design of a nonlinear inductor with imposed flux-current characteristic is formulated as an optimization problem. An algorithm based on geometric sensitivities is used to solve this problem. The general theory and the application presented in the paper prove that AFT is effective not only for linear problems, but for nonlinear ones as well

Keywords

inductors; magnetic fields; magnetostatics; optimisation; sensitivity analysis; 3D nonlinear magnetic devices; adjoint field technique; first-order sensitivities; geometric parameters; geometric sensitivities; imposed flux-current characteristic; nonlinear inductor; optimal design; optimization problem; Coils; Design optimization; Electromagnetic devices; Electromagnetic fields; Inductors; Laboratories; Magnetic analysis; Nonlinear equations; Nonlinear magnetics; Optimization methods;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.717663

Filename

717663