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Research on Improved Auto-Tuning of a PID Controller Based on Phase Angle Margin

Author

Listed:
  • Deliang Zeng

    (School of Control and Computer Engineering, North China Electric Power, Beijing 102206, China)

  • Yanqiu Zheng

    (School of Control and Computer Engineering, North China Electric Power, Beijing 102206, China)

  • Wei Luo

    (School of Control and Computer Engineering, North China Electric Power, Beijing 102206, China)

  • Yong Hu

    (School of Control and Computer Engineering, North China Electric Power, Beijing 102206, China)

  • Qingru Cui

    (China Energy Investment, North China Electric Power, Beijing 102206, China)

  • Qing Li

    (School of Control and Computer Engineering, North China Electric Power, Beijing 102206, China)

  • Chen Peng

    (School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200072, China)

Abstract

In order to realize fast and efficient tuning of the proportional-integral-derivative (PID) controller parameters in thermal power plants, this paper thoroughly analyzes the problems existing in the relay characteristic method based on the phase angle margin auto-tuning method (PM method), and proposes an improved PM auto-tuning method for the most common first order plus dead time (FOPDT) model in practical engineering applications. The improved algorithm proposes the design of the target phase angle margin and the method of plant identification. Then, the optimization algorithm is used to calculate the correction coefficient of the setting formula to obtain the PID controller parameters that minimize the integrated time absolute error (ITAE) index of the control system. Finally, through the auto-tuning experiment on the generalized control model of the main steam temperature system in thermal power plants, it is verified that the improved algorithm is superior to the traditional PM method and Ziegler–Nichols method (Z-N method), and can obtain a fast and stable control performance.

Suggested Citation

  • Deliang Zeng & Yanqiu Zheng & Wei Luo & Yong Hu & Qingru Cui & Qing Li & Chen Peng, 2019. "Research on Improved Auto-Tuning of a PID Controller Based on Phase Angle Margin," Energies, MDPI, vol. 12(9), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:9:p:1704-:d:228496
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    Citations

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    Cited by:

    1. Pengcheng Geng & Xiangsong Kong & Changqing Shi & Hang Liu & Jiabin Liu, 2022. "IK-SPSA-Based Performance Optimization Strategy for Steam Generator Level Control System of Nuclear Power Plant," Energies, MDPI, vol. 15(19), pages 1-22, October.
    2. Goran S. Kvascev & Zeljko M. Djurovic, 2022. "Water Level Control in the Thermal Power Plant Steam Separator Based on New PID Tuning Method for Integrating Processes," Energies, MDPI, vol. 15(17), pages 1-17, August.
    3. Geethu Chacko & Lakshmi Syamala & Nithin James & Bos Mathew Jos & Mathew Kallarackal, 2023. "Switching Frequency Limited Hysteresis Based Voltage Mode Control of Single-Phase Voltage Source Inverters," Energies, MDPI, vol. 16(2), pages 1-19, January.

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