Optimization of PI Controller Parameters by GWO Algorithm for Five-Phase Asynchronous Motor

Malika Fodil, Ali Djerioui (), Mohamed Ladjal, Abdelhakim Saim (), Fouad Berrabah, Hemza Mekki, Samir Zeghlache, Azeddine Houari and Mohamed Fouad Benkhoris
Additional contact information
Malika Fodil: LASS, Laboratoire d’Analyse des and nd Gnaux et Systemes, University Mohamed Boudiaf of M’Sila, M’Sila 28000, Algeria
Ali Djerioui: LGE, Laboratoire de Genie Electrique, University Mohamed Boudiaf of M’Sila, M’Sila 28000, Algeria
Mohamed Ladjal: LASS, Laboratoire d’Analyse des and nd Gnaux et Systemes, University Mohamed Boudiaf of M’Sila, M’Sila 28000, Algeria
Abdelhakim Saim: IREENA Laboratory, University of Nantes, 44600 Saint-Nazaire, France
Fouad Berrabah: LGE, Laboratoire de Genie Electrique, University Mohamed Boudiaf of M’Sila, M’Sila 28000, Algeria
Hemza Mekki: LGE, Laboratoire de Genie Electrique, University Mohamed Boudiaf of M’Sila, M’Sila 28000, Algeria
Samir Zeghlache: LASS, Laboratoire d’Analyse des and nd Gnaux et Systemes, University Mohamed Boudiaf of M’Sila, M’Sila 28000, Algeria
Azeddine Houari: IREENA Laboratory, University of Nantes, 44600 Saint-Nazaire, France
Mohamed Fouad Benkhoris: IREENA Laboratory, University of Nantes, 44600 Saint-Nazaire, France

Energies, 2023, vol. 16, issue 10, 1-14

Abstract: Operation at low speed and high torque can lead to the generation of strong ripples in the speed, which can deteriorate the system. To reduce the speed oscillations when operating a five-phase asynchronous motor at low speed, in this article, we propose a control method based on Gray Wolf optimization (GWO) algorithms to adjust the parameters of proportional–integral (PI) controllers. Proportional–integral controllers are commonly used in control systems to regulate the speed and current of a motor. The controller parameters, such as the integral gain and proportional gain, can be adjusted to improve the control performance. Specifically, reducing the integral gain can help reduce the oscillations at low speeds. The proportional–integral controller is insensitive to parametric variations; however, when we employ a GWO optimization strategy based on PI controller parameters, and when we choose gains wisely, the system becomes more reliable. The obtained results show that the hybrid control of the five-phase induction motor (IM) offers high performance in the permanent and transient states. In addition, with this proposed strategy controller, disturbances do not affect motor performance.

Keywords: PI-controller; five-phase asynchronous motor; Gray Wolf optimization; speed oscillations (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: 2023
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