Volume 22, Number 2 (1-2004)                   jame 2004, 22(2): 21-34 | Back to browse issues page

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J. Soltani and N. R. Abjadi. Adaptive Speed Control of Three-Phase Induction Servo-drives Based on Feedback Linearization Theory. jame. 2004; 22 (2) :21-34
URL: http://jame.iut.ac.ir/article-1-285-en.html

Abstract:   (1147 Views)
In this paper, based on feedback linearization control method and using a special PI (propotational integrator) regulator (IP) in combination with a feed-forward controller, a three-phase induction servo-drive is speed controlled. First, an observer is employed to estimate the rotor d and q axis flux components. Then, two input-output state variables are introduced to control the dynamics of torque and the magnitude of the rotor flux independently. In addition, based on the model refrence adaptive system (MRAS) and the recursive least square (RLC) error techniques, the rotor time constant and the mechnical parameters (J, R) are simultaneously estimated. Finally, the efficiency of the proposed method is confirmed against results from computer simulation. Keywords: Adaptive speed ontrol, Inducation servo-drive, Feedback linearization, IP controller, Model reference, Adaptive system, Recursive least square.
Full-Text [PDF 301 kb]   (359 Downloads)    
Type of Study: Research | Subject: General
Received: 2014/10/25

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