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

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

7 Citations (Scopus)

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.
Original languageEnglish
Title of host publicationProceedings of the 2009 IEEE Symposium on Industrial Electronics & Applications
Place of PublicationPiscataway, NJ
PublisherIEEE
Pages866-871
ISBN (Print)978-1424446810
DOIs
Publication statusPublished - 2009
EventProceeding of ISIEA 2009: IEEE Symposium on Industrial Electronics & Applications, 2009 - Kuala Lumpur, Malaysia
Duration: 1 Jan 2009 → …

Conference

ConferenceProceeding of ISIEA 2009: IEEE Symposium on Industrial Electronics & Applications, 2009
Period1/01/09 → …

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