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Direct flux and current vector control for induction motor drives using model predictive control theory

Lookup NU author(s): Dr Shafiq OdhanoORCiD

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Abstract

© The Institution of Engineering and Technology. The study presents the direct flux and current vector control of an induction motor (IM) drive, which is a relatively newer and promising control strategy, through the use of model predictive control (MPC) techniques. The results highlight that the fast flux control nature of direct flux control strategy is further enhanced by MPC. Predictive control is applied in two of its variants, namely the finite control set and modulated MPC, and the advantages and limitations of the two are underlined. This work also highlights, through experimental results, the importance of prioritising the flux part of the cost function which is particularly significant in the case of an IM drive. The performance of the MPC-based approach is compared with the proportional-integral controller, which also prioritises the flux control loop, under various operating regions of the drive such as in the flux-weakening regime. Simulations show the performance expected with different control strategies which is then verified through experiments.

Publication metadata

Author(s): Odhano S, Bojoi R, Formentini A, Zanchetta P, Tenconi A

Publication type: Article

Publication status: Published

Journal: IET Electric Power Applications

Year: 2017

Volume: 11

Issue: 8

Pages: 1483-1491

Online publication date: 19/07/2017

Acceptance date: 19/06/2017

ISSN (print): 1751-8660

ISSN (electronic): 1751-8679

Publisher: IET

URL: https://doi.org/10.1049/iet-epa.2016.0872

DOI: 10.1049/iet-epa.2016.0872

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