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Analysis and Tuning for Active Disturbance Rejection Control

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  • Fan Wang
  • Ran-Jun Wang
  • En-Hai Liu

Abstract

The linear active disturbance rejection control (LADRC) method is investigated in this paper. Firstly, the integral effect of the ADRC is analyzed under the premise that ADRC was transformed into a new form. Then, ADRC is changed into an internal model control (IMC) framework, and an almost necessary and sufficient condition for stability and tracking performance of the ADRC system are proposed on this basis. In addition, some useful corollaries are proposed so that the traditional open-loop frequency-domain analysis method can be applied to ADRC system stability analysis. It also provides a theoretical principle and theoretical guidance for some parameter tuning. To improve the performance of ADRC, an approximate integral gain is treated as a separated adjustable parameter according to the new structure. Furthermore, tuning of some parameters is discussed to enhance system performance. Finally, simulations are used to verify the effectiveness of proposed methods.

Suggested Citation

  • Fan Wang & Ran-Jun Wang & En-Hai Liu, 2019. "Analysis and Tuning for Active Disturbance Rejection Control," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-11, August.
    • Handle: RePEc:hin:jnlmpe:9641723
    DOI: 10.1155/2019/9641723
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    Cited by:

    1. Susana Haydee Sainz-García & Guadalupe López López & Víctor M. Alvarado & Jesse Y. Rumbo Morales & Estela Sarmiento-Bustos & Omar Alí Zatarain Durán, 2022. "Adaptive Control for Narrow Bandwidth Input and Output Disturbance Rejection for a Non-Isothermal CSTR System," Mathematics, MDPI, vol. 10(18), pages 1-29, September.

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