Robust Fuzzy Logic Controller for Indirect Vector Control of Induction Motor Under Variable Stator and Rotor Resistance

This paper proposes a novel speed control scheme of the Induction Motor (IM) using Fuzzy-Logic Controller (FLC). The Fuzzy-Logic Controller is applied through indirect vector control technique on induction motor. The complete indirect vector control scheme incorporating the FLC is simulated using MATLAB for 5-hp three phase squirrel-cage IM. The performances of the proposed FLC-based IM drive are investigated and compared to those obtained from the conventional Proportional-Integral (PI) controller-based drive at different dynamic operating conditions such as change in speed, load, and variable stator and rotor resistance. The comparative results show that the FLC is more robust and hence, more suitable for replacing the conventional PI controller under any operating conditions.