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Fuzzy Fractional-Order PID Controller for Fractional Model of Pneumatic Pressure System

机译：气动系统分数模型的模糊分数阶PID控制器

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摘要

This article presents a fuzzy fractional-order PID (FFOPID) controller scheme for a pneumatic pressure regulating system. The industrial pneumatic pressure systems are having strong dynamic and nonlinearity characteristics; further, these systems come across frequent load variations and external disturbances. Hence, for the smooth and trouble-free operation of the industrial pressure system, an effective control mechanism could be adopted. The objective of this work is to design an intelligent fuzzy-based fractional-order PID control scheme to ensure a robust performance with respect to load variation and external disturbances. A novel model of a pilot pressure regulating system is developed to validate the effectiveness of the proposed control scheme. Simulation studies are carried out in a delayed nonlinear pressure regulating system under different operating conditions using fractional-order PID (FOPID) controller with fuzzy online gain tuning mechanism. The results demonstrate the usefulness of the proposed strategy and confirm the performance improvement for the pneumatic pressure system. To highlight the advantages of the proposed scheme a comparative study with conventional PID and FOPID control schemes is made.
机译：本文提出了一种用于气动压力调节系统的模糊分数阶PID（FFOPID）控制器方案。工业气压系统具有很强的动态和非线性特性。此外，这些系统会遇到频繁的负载变化和外部干扰。因此，为了使工业压力系统平稳且无故障地运行，可以采用有效的控制机制。这项工作的目的是设计一种基于模糊的智能分数阶PID控制方案，以确保在负载变化和外部干扰方面具有强大的性能。开发了一种先导压力调节系统的新型模型，以验证所提出的控制方案的有效性。使用带有模糊在线增益调节机制的分数阶PID（FOPID）控制器，在不同工作条件下的延迟非线性压力调节系统中进行了仿真研究。结果证明了所提出策略的有用性，并证实了气压系统的性能改进。为了突出所提出方案的优点，进行了与传统PID和FOPID控制方案的比较研究。

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  • 来源
    《Mathematical Problems in Engineering》 |2018年第3期|5478781.1-5478781.9|共9页
  • 作者

    Al-Dhaifallah M.; Kanagaraj N.; Nisar K. S.;

  • 作者单位

    Prince Sattam Bin Abdulaziz Univ, Coll Engn Wadi Addawasir, Elect Engn Dept, Wadi Addawasir, Saudi Arabia;

    Prince Sattam Bin Abdulaziz Univ, Coll Engn Wadi Addawasir, Elect Engn Dept, Wadi Addawasir, Saudi Arabia;

    Prince Sattam Bin Abdulaziz Univ, Coll Arts & Sci Wadi Addawasir, Dept Math, Alkharj, Saudi Arabia;

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