Abstract

DC motors are important components of most of the process control industries. PID controllers are extensively used in DC motors for speed as well as position control. Tuning of PID controller parameters is an iterative process and needs an optimization to achieve the desired performance. In this paper a modified form of Interactive Evolutionary Computing (IEC) is used as the tool for achieving optimization of PID controller parameters for the speed control of DC motor. Different error models are used for optimization and a comparison with Genetic Algorithm based approach is presented.

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