International Journal of Electronics and Electrical Engineering IJEEE
ISSN: 2231-5284
IJEEE
MODELING AND SIMULATION OF ROTOR FLUX OBSERVER BASED INDIRECT VECTOR CONTROL OF INDUCTION MOTOR DRIVE USING FUZZY LOGIC CONTROL
B. MOULI CHANDRA
Electrical and Electronics Department, KSRM College of Engineering, Kadapa, Andhra Pradesh, India
S.TARA KALYANI
Electrical and Electronics Department, Jawaharlal Nehru Technological University, Hyderabad, Andhra Pradesh, India
Abstract
The indirect vector controlled inductor motor (IM) drive involves decoupling of the stator current into torque and flux producing components. This paper proposes the implementation of fuzzy logic control scheme applied to a two d-q current components model of an induction motor. A Fuzzy logic Controller is developed with the help of knowledge rule base for efficient and robust control. The performance of Fuzzy Logic Controller is compared with that of the PI controller with rotor flux observer in terms of the settling time and dynamic response to sudden load changes. The harmonic pattern of the output current is evaluated for both fixed gain proportional integral controller and the Fuzzy Logic based controller. The performance of the IM drive has been analyzed under steady state and transient conditions. Simulation results of both the controllers are presented for comparison.
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