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A Comparative Study of Conventional and Advanced PI Controllers for Induction Motor Speed Regulation Under Parameter Variations Cover

A Comparative Study of Conventional and Advanced PI Controllers for Induction Motor Speed Regulation Under Parameter Variations

Open Access
|Jul 2026

Abstract

This paper presents a comparative study of various Proportional-Integral (PI) controller strategies applied to the speed regulation of a squirrel-cage induction motor under Indirect Field-Oriented Control (IFOC). The classical PI controller is benchmarked against three enhanced versions: the Hyperbolic PI (HPI), the Variable Gain PI (VGPI), and the Anti-Windup PI. Each controller is evaluated in terms of dynamic response, steady-state error, robustness to parameter variations and disturbance rejection. In addition, various numerical simulations under MATLAB/Simulink are carried out to evaluate the motor’s performance through different operating conditions, including load disturbances and reference speed changes. The obtained numerical results conclude that, among the modified PI variants, the VGPI and Anti-Windup PI demonstrate superior performance in terms of robustness, adaptability, and transient behaviour. The obtained numerical results highlight the advantages and limitations of the control strategy, providing valuable insights for selecting an appropriate speed regulator in industrial applications.

DOI: https://doi.org/10.65731/ama-2026-0023 | Journal eISSN: 2300-5319 | Journal ISSN: 1898-4088
Language: English
Page range: 227 - 234
Submitted on: Oct 7, 2025
Accepted on: Jan 30, 2026
Published on: Jul 16, 2026
In partnership with: Paradigm Publishing Services

© 2026 Yesma Bendaha, Kadda Boumediene, Bachir Daaou, published by Bialystok University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.