期刊
BUILDING AND ENVIRONMENT
卷 126, 期 -, 页码 304-317出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.buildenv.2017.10.004
关键词
Personalized thermal comfort; HVAC control; Human-building interaction; Natural ventilation
资金
- US National Science Foundation (NSF) [CBET 1407908, 1349921]
- Directorate For Engineering [1349921] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys [1349921] Funding Source: National Science Foundation
In practice, building heating, ventilation, and air conditioning (HVAC) systems are essentially set at nominal levels according to industry guidelines. However, several studies have demonstrated that this conventional practice is unlikely to meet the thermal requirements of occupants in a single or multi-occupancy space due to occupants' diverse preferences, activities and needs. To improve occupants' thermal comfort, this study develops and tests a smartphone application framework which is capable of dynamically determining the optimum room conditioning mode (mechanical conditioning or natural ventilation) and HVAC settings (thermostat setpoint) in single and multi-occupancy spaces. The personalized HVAC control framework integrates environment data (obtained from sensors) with human physiological and behavioral data (obtained from wearable devices, polling apps) in a smartphone application we developed for human-building interaction. In the operation phase, occupants' thermal preferences are continuously predicted using the personalized comfort models, developed from the training data through the Random Forest classifier, when determining the optimum HVAC control strategies. Two case studies are conducted to demonstrate the capabilities of the developed framework to improve thermal comfort in single and multi-occupancy spaces.
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