Developing Induction Motor State Observers with Increased Robustness

Tadeusz Białoń, Marian Pasko and Roman Niestrój
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Tadeusz Białoń: Faculty of Electrical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Marian Pasko: Faculty of Electrical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Roman Niestrój: Faculty of Electrical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland

Energies, 2020, vol. 13, issue 20, 1-24

Abstract: This paper presents the results of recently conducted research on Luenberger observers with non-proportional feedbacks. The observers are applied for the reconstruction of magnetic fluxes of an induction motor. Structures of the observers known from the control theory are presented. These are a proportional observer, a proportional-integral observer, a modified integral observer, and an observer with additional integrators. The practical application of some of these observers requires modifications to their structures. In the paper, the simulation results for all mentioned types of observers are presented. The simulations are performed with a Scilab-Xcos model which is attached to this paper. The problem of gains selection of the observers is discussed. Gains are selected with the described optimization method based on a genetic algorithm. A Scilab file launching the genetic algorithm also is attached to this paper.

Keywords: Luenberger observer; induction motor; pole placement (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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