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Optimum-seeking field weakening control of induction motor drives

In English

Författare

Summary, in English

The optimum-seeking (in the sense of maximisation of torque) field weakening control scheme proposed by Kim and Sul (see IEEE Trans. Ind. Electron., vol. 44, no.4, p.512-18, 1997) is developed further. The performance under imperfect field orientation conditions is investigated, and it is shown that an overestimated-rather than an under-estimated-model leakage inductance should be used. A slightly modified algorithm, which offers better robustness and reduced computational complexity, is presented. The importance, for good performance, of combining the scheme with a current controller featuring anti-windup and improved disturbance rejection is emphasized. The dynamics of the resulting closed-loop system are analysed. Thus obtained are rules for selection of all controller parameters, allowing for straightforward implementation and commissioning. Good performance of the resulting system is verified experimentally.

Publiceringsår

2000

Språk

Engelska

Publikation/Tidskrift/Serie

[Host publication title missing]

Dokumenttyp

Konferensbidrag

Ämne

  • Other Electrical Engineering, Electronic Engineering, Information Engineering

Nyckelord

  • inductance
  • robust control
  • optimal control
  • electric current control
  • closed loop systems
  • machine control
  • induction motor drives

Conference name

IEEE 8th International Conference on Power Electronics and Variable Speed Drives

Conference date

2000-09-18 - 2000-09-19

Conference place

London, United Kingdom

Status

Published

ISBN/ISSN/Övrigt

  • ISBN: 0 85296 729 2