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COA based robust output feedback UPFC controller design

机译：基于COA的鲁棒输出反馈UPFC控制器设计

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摘要

In this paper, a novel method for the design of output feedback controller for unified power flow controller (UPFC) using chaotic optimization algorithm (COA) is developed. Chaotic optimization algorithms, which have the features of easy implementation, short execution time and robust mechanisms of escaping from the local optimum, is a promising tool for the engineering applications. The selection of the output feedback gains for the UPFC controllers is converted to an optimization problem with the time domain-based objective function which is solved by a COA based on Lozi map. Since chaotic mapping enjoys certainty, ergodicity and the stochastic property, the proposed chaotic optimization problem introduces chaos mapping using Lozi map chaotic sequences which increases its convergence rate and resulting precision. To ensure the robustness of the proposed stabilizers, the design process takes into account a wide range of operating conditions and system configurations. The effectiveness of the proposed controller for damping low frequency oscillations is tested and demonstrated through non-linear time-domain simulation and some performance indices studies. The results analysis reveals that the designed COA based output feedback UPFC damping controller has an excellent capability in damping power system low frequency oscillations and enhance greatly the dynamic stability of the power systems.
机译：本文提出了一种基于混沌优化算法（COA）的统一潮流控制器（UPFC）输出反馈控制器设计的新方法。混沌优化算法具有易于实现，执行时间短和从局部最优值逃逸的强大机制等特点，是工程应用的有前途的工具。 UPFC控制器的输出反馈增益的选择被转换为基于时域目标函数的优化问题，该问题由基于Lozi映射的COA解决。由于混沌映射具有确定性，遍历性和随机性，因此提出的混沌优化问题引入了利用Lozi映射混沌序列的混沌映射，从而提高了其收敛速度和精度。为了确保所提出的稳定器的坚固性，设计过程考虑了广泛的运行条件和系统配置。通过非线性时域仿真和一些性能指标研究，测试并证明了所提出的控制器对低频振荡的阻尼效果。结果分析表明，所设计的基于COA的输出反馈UPFC阻尼控制器具有出色的阻尼电力系统低频振荡的能力，并大大提高了电力系统的动态稳定性。

著录项

  • 来源
    《Energy Conversion & Management》 |2010年第12期|P.2678-2684|共7页
  • 作者

    H. Shayeghi; H.A. Shayanfar; S. Jalilzadeh; A. Safari;

  • 作者单位

    Technical Engineering Department, University of Mohaghegh Ardabili, Ardabil, Iran;

    rnCenter of Excellence for Power System Automation and Operation, Electrical Engineering Department, Iran University of Science and Technology, Tehran, Iran;

    rnTechnical Engineering Department, Zanjan University, Zanjan, Iran;

    rnTechnical Engineering Department, Zanjan University, Zanjan, Iran;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    UPFC; output feedback; chaotic optimization algorithm; power system oscillations;

    机译：UPFC;输出反馈;混沌优化算法电力系统振荡;

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