Implementation of sensorless indirect vector control of induction motor with closed-loop current control

Crăciunaş Gabriela () and Viorel Alina Cristina ()
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Crăciunaş Gabriela: Computer Science and Electrical Engineering Department, “Lucian Blaga” University of Sibiu, Romania
Viorel Alina Cristina: Computer Science and Electrical Engineering Department, “Lucian Blaga” University of Sibiu, Romania

International Journal of Advanced Statistics and IT&C for Economics and Life Sciences, 2024, vol. 14, issue 1, 147-155

Abstract: The paper focuses on the development and testing of an advanced induction motor control method. This method, known as indirect rotor flux-oriented vector control, allows independent control of motor torque and flux, providing high dynamic performance similar to that of a DC motor. Additionally, the implemented system is sensorless, eliminating physical rotor position sensors, which reduces complexity and cost while increasing system reliability. The proposed system uses a rotor flux estimation algorithm, based on mathematical models, which provides the necessary information for vector orientation in the absence of a sensor. Additionally, closed-loop current control improves stability and accuracy of the control by correcting output current deviations from reference values. Thus, the system provides fast and accurate response in the presence of load variations and external disturbances. Simulations and experimental tests were carried out in the Simulink environment, where the proposed model was evaluated under various operating conditions. The results demonstrate the efficiency of the system and the validity of the method for industrial applications where precise and robust induction motor control is required.

Keywords: three-phase induction machine; vector-control; rotor flux estimator (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:ijsiel:v:14:y:2024:i:1:p:147-155:n:1015

DOI: 10.2478/ijasitels-2024-0015

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