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[5, 2007] 

Journal of Electrical Engineering, Vol 58, 5 (2007) 285-290

A FUZZY LOGIC CONTROLLER FOR SYNCHRONOUS MACHINE

Abdel Ghani Aissaoui - Mohamed Abid - Hamza Abid - Ahmed Tahour - Abdel Kader Zeblah

   Fuzzy logic or fuzzy set theory is recently getting increasing emphasis in process control applications. This paper presents an application of fuzzy logic to control the speed of a synchronous machine (SM). Based on the analysis of the SM transient response and fuzzy logic, a fuzzy controller is developed. The fuzzy controller generates the variations of the reference current vector of the SM speed control based on the speed error and its change. Digital simulation results shows that the designed fuzzy speed controller realises a good dynamic behaviour of the motor, a perfect speed tracking with no overshoot and a good rejection of impact loads disturbance. The results of applying the fuzzy logic controller to a SM give best performances and high robustness than those obtained by the application of a conventional controller (PI).

Keywords: synchronous motor, fuzzy logic, speed control


[full-paper]


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