Adaptive Neuro Fuzzy Inference System Based Vector Controlled Induction Motor Drive

In order to emulate a DC motor control, vector control strategy is employed to decouple flux and torque of an induction motor. The great advantage of this technique is that the induction motor can be controlled with the presentation of all of its properties such as high efficiency, robustness, low maintenance cost. The most widely employed controller is the conventional proportional integral (PI) controller. The limitation of PI controller can be overcome by introducing the concept of artificial intelligence. Literature survey indicates that the fixed gain controllers designed at nominal operation fail to provide best control performance over a wide rage of operating conditions [90-95]. The design of these controllers depends on exact machine model and accurate model parameters. However, the difficulties of obtaining the exact parameters of the Induction motor lead to cumbersome design approach for these controllers. Moreover, the fixed gain PI controller is