A Variable Gain PI Controller Used for Speed Control of a Direct Torque Neuro Fuzzy Controlled Induction Machine Drive

Authors : A. MILOUDI, Eid A. AL-RADADI, A. D. DRAOU

Pages : 37-49

View : 9 | Download : 5

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :This paper presents an original variable gain PI insert ignore into journalissuearticles values(VGPI); controller for speed control of a direct torque neuro fuzzy controlled insert ignore into journalissuearticles values(DTNFC); induction motor drive. First, a VGPI speed controller is designed to replace the classical PI controller in a conventional direct torque controlled induction motor drive. Its simulated performances are then compared to those of a classical PI controller. Then, a direct torque neuro fuzzy control insert ignore into journalissuearticles values(DTNFC); for a voltage source PWM inverter fed induction motor drive is presented. This control scheme uses the stator flux amplitude and the electromagnetic torque errors through an adaptive NF inference system insert ignore into journalissuearticles values(ANFIS); to generate a voltage space vector insert ignore into journalissuearticles values(reference voltage); which is used by a space vector modulator to generate the inverter switching states. In this paper a modified ANFIS structure is proposed. This structure generates the desired reference voltage by acting on both the amplitude and the angle of its components. Simulation of the DTNFC induction motor drive using VGPI for speed control shows promising results. The motor reaches the reference speed rapidly and without overshoot, load disturbances are rapidly rejected and variations of some of the motor parameters are fairly well dealt with.
Keywords : Induction motor, direct torque control DTC, , direct torque neuro fuzzy control DTNFC, , adaptive NF inference system insert ignore into journalissuearticles val