Artificial Neural Estimator and Controller for Field Oriented Control of Three-Phase I.M.

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Lina J. Rashad 1,* Fadhil A. Hassan 1

1. Department of Electrical Engineering, University of Technology, Baghdad, Iraq

* Corresponding author.


Received: 30 Oct. 2018 / Revised: 4 Dec. 2018 / Accepted: 5 Jan. 2019 / Published: 8 Jun. 2019

Index Terms

Field oriented control, neural control, intelligent estimator, vector control of I.M.


Speed control for an I.M is a few what complex strategies; the complexity is regularly increasing in line with the required system achievement. The main forms of control strategies are scalar, direct torque, adaptive, sensorless, and vector or Field Oriented Control (FOC). The FOC method is the most efficient technique in which machine parameters: Rotor flux, unit vector, and electromagnetic torque, usually are estimated by means of using Digital Signal Processing (DSP). The Artificial Neural Network (ANN) becomes an effective tool for controlling nonlinear device in present time. This paper proposes the using of ANN instead of DSP to estimate the machine parameters in order to reduce the hardware complexity and the Electromagnetic Interference (EMI) impact. Also, it presents the PI-NN controller which is based totally on ANN. The systems simulations for both DSP and ANN are depicted. The performance of the ANN-based system gives excellent results: overshot less than 0.5%, rise time 0.514 s, steady state error less than 0.2%, settling time 0.7 s. in conjunction with that of DSP-based performance: overshot about 2%, rise time 0.64 s, steady state error less than 0.4%, settling time 0.75 s.

Cite This Paper

Lina J. Rashad, Fadhil A. Hassan, "Artificial Neural Estimator and Controller for Field Oriented Control of Three-Phase I.M.", International Journal of Intelligent Systems and Applications(IJISA), Vol.11, No.6, pp.40-48, 2019. DOI:10.5815/ijisa.2019.06.04


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