This manuscript presents the details about the novel controller using wavelet transform and fuzzy logic tuning for speed control of an induction motor drive. The conventional proportional-integral (PI) speed controller in an indirect vector control of induction motor drive has been replaced by the proposed controller for an improved transient and steady state performances. The discrete wavelet transform has been used to decompose the error speed into different frequency components and the fuzzy logic is used to generate the scaling gains of the wavelet controller. The complete model of the proposed controller along with an induction motor drive incorporating the proposed controller has been developed in numerical simulation software using Matlab/Simulink environment and a set of results are provided within this paper in comparison to the conventional controller scheme. © 2015 IEEE.

Febin Daya J L

Electrical

School of Electrical Engineering

Chennai Campus

Sanjeevikumar P

Wheeler P

Blaabjerg F

FedÃ¡k V

Ojo J.O.

Vellore Institute of Technology (VIT) is a private university located in&nbsp;Tamil Nadu, India. Founded in 1984, as Vellore Engineering College, the institution offers 20 undergraduate, 34 postgraduate, four integrated and four research programs. It has campuses in Vellore, Amravati, Bhopal and Chennai.

VIT is one of the top ranked private universities in India according to NIRF, THE and QS Rankings.&nbsp;Govt. of India has recognized&nbsp;VIT, Vellore as an&nbsp;Institution of Eminence. This has allowed VIT to take independent quality initiatives and move up in world ranking.

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VIT University

Wavelet transform with fuzzy tuning based indirect field oriented speed control of three-phase induction motor drive

2015 International Conference on Electrical Drives and Power Electronics (EDPE)

The purpose of this work is to present an adaptive sliding mode Luenberger state observer with improved disturbance rejection capability and better tracking performance under dynamic conditions. The sliding hyperplane is altered by incorporating the estimated disturbance torque with the stator currents. In addition, the effects of parameter detuning on the speed convergence are observed and compared with the conventional disturbance rejection mechanism. The entire drive system is first built in the Simulink environment. Then, the Simulink model is integrated with real-time (RT)-Lab blocksets and implemented in a relatively new real-time environment using OP4500 real-time simulator. Real-time simulation and testing platforms have succeeded offline simulation and testing tools due to their reduced development time. The real-time results validate the improvement in the proposed state observer and also correspond to the performance of the actual physical model. © 2017 by the authors. Licensee MDPI.

Fulltext

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This paper presents a hybrid wavelet-fuzzy-based multi-resolution (MR) controller for robust speed control of induction motor. In the proposed wavelet-fuzzy-based MR controller, the discrete wavelet transform (DWT) is used to decompose the error between the actual speed and set speed in to different frequency components. A self-tuning fuzzy logic is used for online tuning of the controller parameters. The proposed controller has the ability of meeting the speed tracking requirements in the closed loop system. The complete field oriented control scheme incorporating the proposed wavelet-fuzzy-based MR controller is investigated theoretically and simulated under various dynamic operating conditions. Simulation results are compared with that of standard proportional-integral controller, proportional-integral-derivative controller, fuzzy controller and neuro-wavelet controller. Simulation results validates that the proposed hybrid wavelet-fuzzy-based MR controller is robust and is more suitable for high performance applications. © Institution of Engineers Australia 2012.

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A novel wavelet-fuzzy-based controller for robust speed control induction motor drives

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Online gain scheduling of multi-resolution Wavelet-based controller for acoustic noise and vibration reduction in sensorless control of PM-synchronous motor at low speed

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Analysis and Real-Time Testing of a Controlled Single-Phase Wavelet-Modulated Inverter for Capacitor-Run Induction Motors

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