Sliding Mode Observer based direct torque control of a Brushless Doubly-Fed Reluctance Machine

Chaal, Hamza, Jovanovic, Milutin and Busawon, Krishna (2009) Sliding Mode Observer based direct torque control of a Brushless Doubly-Fed Reluctance Machine. In: Proceedings of the 2009 IEEE Symposium on Industrial Electronics & Applications. IEEE, Piscataway, NJ, pp. 866-871. ISBN 978-1424446810

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Official URL: http://dx.doi.org/10.1109/ISIEA.2009.5356345

Abstract

Direct Torque Control (DTC) has been extensively researched and applied during the last two decades. However, it was applied to the Brushless Doubly-Fed Reluctance Machine (BDFRM) for the first time only a few years ago in its basic form inheriting its intrinsic flux estimation problems that propagate throughout the algorithm and hence compromise the DTC performance. In this paper, we propose the use of Sliding Mode Observer (SMO) as an alternative to improve the estimation quality and consequently the control performance of the DTC. The SMO is designed around a nominal model, but is shown to be reliable over the whole operating range of the BDFRM. Moreover, we use a modified robust exact differentiator based on Sliding Mode (SM) techniques to calculate the angular velocity from an angular position encoder. Computer simulations are meticulously designed to take into account real-world physical constraints and thus show illustrative supporting results as expected from an experimental setup.

Item Type: Book Section
Additional Information: Proceeding of ISIEA 2009: IEEE Symposium on Industrial Electronics & Applications, 2009 ,Kuala Lumpur, Malaysia, 4-6 October 2009.
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Ellen Cole
Date Deposited: 13 Dec 2012 17:17
Last Modified: 24 Oct 2017 08:54
URI: http://nrl.northumbria.ac.uk/id/eprint/10564

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