期刊
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
卷 146, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2021.111174
关键词
Grey-box modeling; Resistance-capacitance model; RC model; Thermal-network model; Simplified model; Reduced-order model; Hybrid-model; Building energy model; Heat dynamic analysis; Thermal load estimation; Building control and optimization; District; urban energy modeling; Building-grid integration
资金
- US Department of Energy (DOE) [DE-AC05-00OR22725]
- DOE Public Access Plan
Grey-box modeling, as a fundamental modeling technique for building energy models, has advantages over black-box and white-box modeling, but faces challenges such as unclear theoretical limitations and assumptions, confusing naming conventions and structures, and lack of unified software solutions. Thorough evaluation of grey-box modeling is lacking, and there are difficulties in the modeling process with various theoretical and practical challenges.
Grey-box modeling, as one of the three fundamental modeling techniques for building energy models, has many advantages compared with black-box modeling and white-box modeling. It has been widely applied to solve problems of building technologies, such as building load estimation, control and optimization, and building-grid integration. However, a thorough review of grey-box modeling is not available. This review study systematically investigated various aspects of grey-box modeling for buildings. First, the fundamental aspects of grey-box modeling are presented, including the theoretical background, modeling of building elements, modeling order, modeling diagram, and order reduction. Second, the detailed modeling approaches are discussed. Third, multiple applications of grey-box modeling are investigated for building energy domain, which are categorized into the following groups: heat dynamics analysis, thermal load estimation, building control and optimization, district/urban scale energy modeling, and building-grid integration. Finally, the available software packages for grey-box modeling are compared. Overall, the challenges of using grey-box modeling can be summarized as follows: (1) the theoretical limitations and assumptions of grey-box modeling are unclear; (2) grey-box model naming convention and structure are confusing; (3) grey-box model creation is vague; (4) suitable applications of grey-box models are unknown; and (5) grey-box models lack unified software solutions for wider adoption.
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