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Water cycle algorithm-based PID controller for AVR
COMPEL ( IF 1.0 ) Pub Date : 2020-04-13 , DOI: 10.1108/compel-01-2020-0057
Nikhil Pachauri

Purpose

In a power system, the purpose of automatic voltage regulator (AVR) is the voltage control of synchronous generator. Power system stability and security depends on the AVR.

Design/methodology/approach

The present work is concentrated on the precise terminal voltage control of AVR system and simultaneously maintaining the stability of the system. Therefore, an optimal proportional–integral–derivative (PID) controller is proposed. An optimization technique inspired from Mother Nature, i.e. water cycle algorithm (WCA) is used to evaluate the optimum parameter values of PID controller leading to WCA-tuned PID (WCA-PID). The performance of WCA-PID is compared with other controller reported in the literature.

Findings

Simulation results show that WCA-PID regulates the terminal voltage more preciously and accurately in comparison to other controller. Further, it is more robust toward parametric uncertainty, set-point tracking and disturbance rejection in comparison to other controller reported in the literature.

Originality/value

The work is not published anywhere else.



中文翻译:

基于水循环算法的AVR PID控制器

目的

在电力系统中,自动电压调节器(AVR)的目的是控制同步发电机的电压。电力系统的稳定性和安全性取决于AVR。

设计/方法/方法

目前的工作集中在AVR系统的精确端子电压控制上,同时保持系统的稳定性。因此,提出了一种最优的比例积分微分(PID)控制器。从大自然中汲取灵感的优化技术,即水循环算法(WCA)用于评估导致WCA调整的PID(WCA-PID)的PID控制器的最佳参数值。WCA-PID的性能与文献中报道的其他控制器进行了比较。

发现

仿真结果表明,与其他控制器相比,WCA-PID可以更精确,更精确地调节端子电压。此外,与文献中报道的其他控制器相比,它在参数不确定性,设定点跟踪和干扰抑制方面更强大。

创意/价值

该作品未在其他任何地方出版。

更新日期:2020-04-13
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