Multivariable active disturbance rejection control for compression liquid chiller system

Zhenlong Wu, Yanhong Liu, Donghai Li and YangQuan Chen

Energy, 2023, vol. 262, issue PA

Abstract: The compression liquid chiller system is a strongly nonlinear and multivariable system. How design a suitable control strategy still is a challenging task. This paper proposes a multivariable active disturbance rejection control (ADRC) for a compression liquid chiller system, where the loop coupling is estimated and compensated in real-time by enhanced reduced-order extended state observer (ESO) and static decoupling. Based on the nonlinearity and coupling analyses of the compression liquid chiller system, the reduced-order ESO-based ADRC is developed. Then the stability region of the proposed ADRC is deduced and a practical parameter tuning procedure is summarized in detail. With the application of the proposed ADRC for the compression liquid chiller system, the simulation results illustrate that the proposed control strategy can guarantee satisfactory tracking performance and estimate the loop coupling completely under different operating conditions. The performance of the loop coupling rejection and the fluctuation of the control signal have improved by at least 57.05% and 58.76% under all operating conditions, respectively, compared with the decentralized regular ADRC. The simulation results also show the proposed multivariable ADRC has a promising future for practical systems.

Keywords: Compression liquid chiller system; Reduced-order extended state observer; Active disturbance rejection control; Tuning procedure (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0360544222022265
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:262:y:2023:i:pa:s0360544222022265

DOI: 10.1016/j.energy.2022.125344

Access Statistics for this article

Energy is currently edited by Henrik Lund and Mark J. Kaiser

More articles in Energy from Elsevier
Bibliographic data for series maintained by Catherine Liu ().