Speed Control of Single Phase Induction Motor Using Fuzzy Logic Controller

Ali H. Ahmad, Farazdaq R.yasien, Ahmed S. Abdullah


The Proportional Integral (PI) controller of A.C drives are commonly employed  in industries and many other applications, because of its simplicity, but it does not give high degree of speed control of single phase induction motor. The intelligent control systems become a powerful tool for control nonlinear system in present time. This paper proposes the Proportional Integral (PI) controller designed based on fuzzy logic system as an intelligent speed controller of single phase induction motor. In addition, The mathematical modeling and simulation single phase induction motor capacitor run type as asymmetrical two phase induction motor is represented too Also, two phase four leg voltage source PWM inverter with Sinusoidal Pulse Width Modulation (SPWM) switching technique  is demonstrated and simulated. The overall system for the proportional-integral (PI) controller designed based on fuzzy logic system is simulated using MATLAB/Simulink environment. The results shows high response of the controller to the change of load which make a wide range of speed variation and make the speed return to its reference value.   


Speed control of single phase induction motor; Sinusoidal PWM; the proportional integral (PI) controller; fuzzy logic controller; voltage source PWM inverter.

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