A new Speed Control Approach of Linear Induction Motor Based on Robust RST Controller and MRAS Estimator

Document Type : Original Article

Authors

1 Departement of Electrical Engineering, Faculty of Applied Sciences, ,university of ouargla. Algeria

2 Faculty of Engineering, Departement of Electrical Engineering,university of batna2, algeria.

Abstract

In this paper, a new model of linear induction motor including the impact of the end-effect on the motor performances is proposed. Moreover, a new strategy of control approach based on the Field-Oriented Control (FOC) technique is suggested and investigated. The proposed approach can provide a robust control strategy and overcome the limitations imposed by FOC technique, which suffers with some drawbacks in linear induction motor (LIM) such as sensitivity to parameter variations and imperfect dynamic tracking performance. In this context, the developed technique combines the benefits provided by the both approaches polynomial RST regulator and Model Reference Adaptive System (MRAS) observer in order to achieve a robust controller by minimizing the external disturbances effects and reducing the influence of parameter variations. The accuracy and control performance of the proposed technique is checked and validated using Matlab/Simulink environment software tool. Simulation results show the effectiveness of the proposed estimator with improved better robustness for RST controller in reference tracking and disturbance rejection. These significant results make the proposed approach a promising technique dedicated to the design of high-performance controller, which is highly suitable for industrial and electrical applications.

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International Journal of Engineering
Volume 36, Issue 4
TRANSACTIONS A: Basics
April 2023

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