Volume 2 Number 3 (Jun. 2010)
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IJCEE 2010 Vol.2 (3): 475-480 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2010.V2.180

Position Sensorless Control for an Interior Permanent Magnet Synchronous Motor SVM Drive with ANN Based Stator Flux Estimator

Kalyan Kumar Halder, Naruttam Kumar Roy, and B. C. Ghosh

Abstract—An Interior Permanent Magnet Synchronous Motor (IPMSM) drive fed by Space Vector Modulated (SVM) inverter without rotor position sensor is proposed in this paper. The control system estimates the motor stator flux and its position through a Real Time Recurrent Neural Network (RTRNN). The RTRNN is trained off-line to estimate stator flux from the speed error and stationary α- and β- axis current components obtained through Park’s transformation. Vector control of the motor is achieved through command torque and magnetizing current components generation and necessary transformations. The estimated flux and rotor angle are found to match accurately with their corresponding actual values. A Proportional plus Integral (PI) controller is used to control the motor variables in closed loop. The effectiveness of the drive system is tested for different operating conditions. The proposed system is found to work satisfactorily under these conditions and perturbations of parameters.

Index Terms—PI controller, Park’s transformation, real time recurrent neural network, space vector modulation, and sensorless control.

Kalyan Kumar Halder is with the department of Electrical and Electronic Engineering of the Khulna University of Engineering and Technology,Khulna, Bangladesh (corresponding author to provide phone:+880-1710752236; e-mail: kalyan_kuet@ yahoo.com).
Naruttam Kumar Roy and B.C. Ghosh are with the department of Electrical and Electronic Engineering of the Khulna University of Engineering and Technology, Khulna, Bangladesh (e-mail: nkroy@yahoo.com, bcg@eee.kuet.ac.bd).

Cite: Kalyan Kumar Halder, Naruttam Kumar Roy and B.C. Ghosh, "Position Sensorless Control for an Interior Permanent Magnet Synchronous Motor SVM Drive with ANN Based Stator Flux Estimator," International Journal
of Computer and Electrical Engineering
vol. 2, no. 3, pp. 475-480, 2010.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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