Grey-box modeling and application for building energy simulations - A critical review
Journal Article
·
· Renewable and Sustainable Energy Reviews
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Texas A & M Univ., College Station, TX (United States)
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Univ. of Utah, Salt Lake City, UT (United States)
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. Additionally, 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.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1808373
- Alternate ID(s):
- OSTI ID: 1815265
OSTI ID: 1785340
- Journal Information:
- Renewable and Sustainable Energy Reviews, Journal Name: Renewable and Sustainable Energy Reviews Vol. 146; ISSN 1364-0321
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
Building control and optimization
Building energy model
Building-grid integration
District/urban energy modeling
Grey-box modeling
Heat dynamic analysis
Hybrid-model
RC model
Reduced-order model
Resistance-capacitance model
Simplified model
Thermal load estimation
Thermal-network model
Building control and optimization
Building energy model
Building-grid integration
District/urban energy modeling
Grey-box modeling
Heat dynamic analysis
Hybrid-model
RC model
Reduced-order model
Resistance-capacitance model
Simplified model
Thermal load estimation
Thermal-network model