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Torque-maximizing field-weakening control: design, analysis, and parameter selection

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Author

Summary, in English

The torque-maximizing field-weakening control scheme proposed by Kim and Sul is developed further. The performance under imperfect field orientation conditions is investigated, and it is shown that an overestimated-rather than an underestimated-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 current and speed controllers featuring antiwindup and improved disturbance rejection is emphasized. The dynamics of the resulting closed-loop system are analyzed. Obtained in the process, are rules for selection of all controller parameters, allowing tuning without trial-and error steps. Good performance of the resulting system is verified experimentally

Publishing year

2001

Language

English

Pages

161-168

Publication/Series

IEEE Transactions on Industrial Electronics

Volume

48

Issue

1

Document type

Journal article

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Other Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Computational complexity Control systems Electric variables control Inductance Induction motors Inverters Robustness Rotors Torque control Velocity control

Status

Published

ISBN/ISSN/Other

  • ISSN: 0278-0046