Journal of Shanghai Jiao Tong University

Journal of Shanghai Jiaotong University >

2023 , Vol. 57 >Issue 4: 495 - 504

DOI: https://doi.org/10.16183/j.cnki.jsjtu.2022.018

New Type Power System and the Integrated Energy

Energy-Saving Control of Central Air-Conditioning System Based on an Improved-SSA

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  • School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Received date: 2022-01-24

  Revised date: 2022-03-28

  Accepted date: 2022-05-05

  Online published: 2023-01-06

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Abstract

There are many terminals in the central air-conditioning system of which load demands vary frequently. Although conventional proportional integral derivative control or fixed parameter control can meet the load demand, there is a problem of energy waste caused by excess cooling. This paper proposes a central air-conditioning system energy-saving control method based on an improved sparrow search algorithm (ISSA) for the air-water system in the central air-conditioning system. The ISSA applies t-distribution to strengthening the search ability and enables the individual to learn from the best group based on the roulette wheel selection, which enhances the ability of the algorithm to jump out of the local optimum and improves the accuracy and stability of control parameters effectively. For the 12 test functions, most of the optimization accuracy and stability have been improved by more than 2 orders of magnitude. Compared with the original control strategy, the ISSA has shown a good energy-saving potential for energy optimization of air conditioning subsystems, reducing energy consumption by 25.13%. The feasibility of the ISSA in actual engineering problems has also been verified.

Key words： central air-conditioning system; optimal control; sparrow search algorithm (SSA); roulette wheel

Cite this article

XIONG Lei, MIAO Yurun, FAN Xinzhou, YAO Ye . Energy-Saving Control of Central Air-Conditioning System Based on an Improved-SSA[J]. Journal of Shanghai Jiaotong University, 2023 , 57(4) : 495 -504 . DOI: 10.16183/j.cnki.jsjtu.2022.018

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