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This paper presents the novel 1 + proportional derivative-proportional-integral derivative with filter controller for enhancing automatic voltage regulator (AVR) operation in a power system under external disturbances. The Grey wolf optimizer (GWO) is followed to determine the optimal settings of the proposed controller using integral-time-absolute error. The suggested GWO-based controller performance is validated in terms of steady-state and transient responses. Then, it is compared with recently developed controllers optimized by different optimizers. The results revealed that the suggested controller offers excellent performance in terms of minimum overshoot and settling time in AVR system response under unit step voltage. Finally, the recommended controller response is also examined in the presence of system’s parametric uncertainties to demonstrate it’s robustness.

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Grey Wolf Optimizer Based (1 + PD)-PIDn Controller Design for AVR System

  • 会议论文

  • 发表日期：

    2025年

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  • Pallavi Kumari,
  • Tejavath Veerendar,
  • Deepak Kumar

摘要

This paper presents the novel 1 + proportional derivative-proportional-integral derivative with filter controller for enhancing automatic voltage regulator (AVR) operation in a power system under external disturbances. The Grey wolf optimizer (GWO) is followed to determine the optimal settings of the proposed controller using integral-time-absolute error. The suggested GWO-based controller performance is validated in terms of steady-state and transient responses. Then, it is compared with recently developed controllers optimized by different optimizers. The results revealed that the suggested controller offers excellent performance in terms of minimum overshoot and settling time in AVR system response under unit step voltage. Finally, the recommended controller response is also examined in the presence of system’s parametric uncertainties to demonstrate it’s robustness.