Gain scheduling of a full-order observer for sensorless induction motor drives

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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2014-11-20
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Mcode
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Language
en
Pages
3834-3845
Series
IEEE Transactions on Industry Applications, Volume 50, issue 6
Abstract
This paper deals with the design of a speed-adaptive full-order observer for sensorless induction motor (IM) drives. A general stabilizing observer gain matrix, having three free design parameters, is used as a design framework. A gain-scheduled selection of the free design parameters is proposed. Furthermore, the full-order observer is augmented with the stator-resistance adaptation, and the local stability of the augmented observer is analyzed. The performance of the proposed full-order observer design is experimentally compared with a reduced-order observer using a 2.2-kW IM drive.
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Keywords
flux estimation, full-order observer, induction motor, resistance adaptation, sensorless, stability
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Citation
Qu , Z , Hinkkanen , M & Harnefors , L 2014 , ' Gain scheduling of a full-order observer for sensorless induction motor drives ' , IEEE Transactions on Industry Applications , vol. 50 , no. 6 , pp. 3834-3845 . https://doi.org/10.1109/TIA.2014.2323482