Fuzzy Logic Controller for Improvement of Dynamic Performance of Induction Motor Drives

K. Vaisakh*, K. Naga Sujatha**
* Associate Professor, Department of Electrical Engineering, AU College of Engineering, Andhra University, India.
**Professor, Department of Electrical Engineering, AU College of Engineering, Andhra University, India.
Periodicity:July - September'2009
DOI : https://doi.org/10.26634/jee.3.1.997

Abstract

This paper presents a speed control scheme using a new and simple structure of fuzzy logic controller (FLC) for a closed-loop, variable speed induction motor (IM) drive. The drive makes use of thyristor on the secondary side as phase-controlled ac switches operating at slip frequency. Such phase-controlled thyristor allows the torque of the machine to be varied from zero to values bounded by the normal torque/speed characteristic of the basic motor. The various functional blocks of the system which govern the system behavior for small variations about the operating pointing point are derived, and the transient responses are presented. The proposed FLC is developed to have less computational burden, which improves the dynamic behavior of the induction motor drive.

Keywords

Fuzzy logic controller, induction motor drive, SCR controllers.

How to Cite this Article?

K. Naga Sujatha and K. Vaisakh (2009). Fuzzy Logic Controller for Improvement of Dynamic Performance of Induction Motor Drives. i-manager’s Journal on Electrical Engineering, 3(1), Jul-Sep 2009, Print ISSN 0973-8835, E-ISSN 2230-7176, pp. 20-26. https://doi.org/10.26634/jee.3.1.997

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