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Energy-Efficient Optimal Guaranteed Cost Intermittent-Switch Control of a Direct Expansion Air Conditioning System
Jun Mei; Zhenyu Lu; Junhao Hu; Yuling Fan
发表期刊IEEE/CAA Journal of Automatica Sinica
ISSN2329-9266
2021
卷号8期号:11页码:1852-1866
摘要To improve the energy efficiency of a direct expansion air conditioning (DX A/C) system while guaranteeing occupancy comfort, a hierarchical controller for a DX A/C system with uncertain parameters is proposed. The control strategy consists of an open loop optimization controller and a closed-loop guaranteed cost periodically intermittent-switch controller (GCPISC). The error dynamics system of the closed-loop control is modelled based on the GCPISC principle. The difference, compared to the previous DX A/C system control methods, is that the controller designed in this paper performs control at discrete times. For the ease of designing the controller, a series of matrix inequalities are derived to be the sufficient conditions of the lower-layer closed-loop GCPISC controller. In this way, the DX A/C system output is derived to follow the optimal references obtained through the upper-layer open loop controller in exponential time, and the energy efficiency of the system is improved. Moreover, a static optimization problem is addressed for obtaining an optimal GCPISC law to ensure a minimum upper bound on the DX A/C system performance considering energy efficiency and output tracking error. The advantages of the designed hierarchical controller for a DX A/C system with uncertain parameters are demonstrated through some simulation results.
关键词Energy efficiency hierarchical control open loop optimal control optimal guaranteed cost periodically intermittent-switch control
DOI10.1109/JAS.2020.1003447
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/45396
专题学术期刊_IEEE/CAA Journal of Automatica Sinica
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Jun Mei,Zhenyu Lu,Junhao Hu,et al. Energy-Efficient Optimal Guaranteed Cost Intermittent-Switch Control of a Direct Expansion Air Conditioning System[J]. IEEE/CAA Journal of Automatica Sinica,2021,8(11):1852-1866.
APA Jun Mei,Zhenyu Lu,Junhao Hu,&Yuling Fan.(2021).Energy-Efficient Optimal Guaranteed Cost Intermittent-Switch Control of a Direct Expansion Air Conditioning System.IEEE/CAA Journal of Automatica Sinica,8(11),1852-1866.
MLA Jun Mei,et al."Energy-Efficient Optimal Guaranteed Cost Intermittent-Switch Control of a Direct Expansion Air Conditioning System".IEEE/CAA Journal of Automatica Sinica 8.11(2021):1852-1866.
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