Sensorless indirect field-oriented control of induction motor using intelligent PI controller

PID controllers are very common in industrial systems applications. Tuning of parameters of the controllers is governed by system nonlinearities and continuous parameter variations. In this paper, a complete and rigorous comparison is made between two tuning algorithms. PI controller was used in a speed control loop through a field oriented Control (FOC) of an induction motor. AC machine was primarily controlled via classical PI, whereas an intelligent fuzzy PI controller provides a satisfactory outcome. The latter will be in use when a sudden change in the load torque is applied. The simulation result shows the performance of the proposed controller in terms of the speed and the parameter variations.