Optimum PID controller tuning for AVR system using adaptive tabu search

In this paper contend with the determination of offline, optimal proportional-integral-derivative (PID) controller parameters of an automatic voltage regulator (AVR) system using Adaptive Tabu Search (ATS) algorithm is presented. Parameter of this PID controller is obtained by minimizing the performance index such as integrated absolute error (IAE), the integral of squared error (ISE), and the integral time absolute error (ITAE) employed ATS method. For results, the classical tuning proposed by Ziegler and Nichols is using compared with the propose method. By choosing the appropriated performance index, the performance of the proposed tuning mechanism has been demonstrated and analyzed in efficient and robust in improving the step response of an AVR system with application to control of synchronous generator excitation system.

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