Influence of PM flux variation and magnetic saturation on sensorless control for interior permanent magnet synchronous motors

Author

Imai, Nobuyuki ; Morimoto, Shigeo ; Sanada, Masayuki ; Takeda, Yoji

Author_Institution

Tochigi R & D Center, Honda R & D Co. Ltd., Tochigi, Japan

Volume

3

fYear

2005

fDate

2-6 Oct. 2005

Firstpage

1776

Abstract

Influence of permanent magnet flux variation and magnetic saturation on sensorless control for interior permanent magnet synchronous motors (IPMSM) is evaluated. By using FEM analysis, partial differential values of flux-linkage are calculated directly and precisely in a short time. High-speed analysis of a motor voltage equation is realized by interpolating table data of calculated partial differential values. Analyzed results show good correlation with experimental results. The performance of sensorless control is greatly improved using analyzed results and the influence of permanent magnet flux variation is predicted well. The proposed method is very useful for designing control algorithms considering the influence of permanent magnet flux variation and magnetic saturation.

Keywords

control system synthesis; finite element analysis; machine control; partial differential equations; permanent magnet motors; synchronous motors; FEM analysis; PM flux variation; flux-linkage; interior permanent magnet synchronous motors; magnetic saturation; motor voltage equation; partial differential values; permanent magnet flux variation; sensorless control; Differential equations; Magnetic analysis; Magnetic flux; Partial differential equations; Permanent magnet motors; Permanent magnets; Saturation magnetization; Sensorless control; Synchronous motors; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Industry Applications Conference, 2005. Fourtieth IAS Annual Meeting. Conference Record of the 2005

ISSN

0197-2618

Print_ISBN

0-7803-9208-6

Type

conf

DOI

10.1109/IAS.2005.1518687

Filename

1518687