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Thermal-Comfort Aware Online Co-Scheduling Framework for HVAC, Battery Systems, and Appliances in Smart Buildings

Daichi WATARI, Ittetsu TANIGUCHI, Francky CATTHOOR, Charalampos MARANTOS, Kostas SIOZIOS, Elham SHIRAZI, Dimitrios SOUDRIS, Takao ONOYE

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Summary :

Energy management in buildings is vital for reducing electricity costs and maximizing the comfort of occupants. Excess solar generation can be used by combining a battery storage system and a heating, ventilation, and air-conditioning (HVAC) system so that occupants feel comfortable. Despite several studies on the scheduling of appliances, batteries, and HVAC, comprehensive and time scalable approaches are required that integrate such predictive information as renewable generation and thermal comfort. In this paper, we propose an thermal-comfort aware online co-scheduling framework that incorporates optimal energy scheduling and a prediction model of PV generation and thermal comfort with the model predictive control (MPC) approach. We introduce a photovoltaic (PV) energy nowcasting and thermal-comfort-estimation model that provides useful information for optimization. The energy management problem is formulated as three coordinated optimization problems that cover fast and slow time-scales by considering predicted information. This approach reduces the time complexity without a significant negative impact on the result's global nature and its quality. Experimental results show that our proposed framework achieves optimal energy management that takes into account the trade-off between electricity expenses and thermal comfort. Our sensitivity analysis indicates that introducing a battery significantly improves the trade-off relationship.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E106-A No.5 pp.698-706
Publication Date
2023/05/01
Publicized
2022/10/24
Online ISSN
1745-1337
DOI
10.1587/transfun.2022MAI0001
Type of Manuscript
Special Section INVITED PAPER (Special Section on Mathematical Systems Science and its Applications)
Category

Authors

Daichi WATARI
  Osaka University
Ittetsu TANIGUCHI
  Osaka University
Francky CATTHOOR
  Katholieke Universiteit Leuven,IMEC
Charalampos MARANTOS
  National Technical University of Athens
Kostas SIOZIOS
  Aristotle University of Thessaloniki
Elham SHIRAZI
  Katholieke Universiteit Leuven,IMEC
Dimitrios SOUDRIS
  National Technical University of Athens
Takao ONOYE
  Osaka University

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