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The role of HVAC controls in building Digital Twins: lessons learned from demonstration buildings with an application to air handling units
University of Wuppertal, Wuppertal, Germany.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.ORCID iD: 0000-0002-2300-2581
University of Wuppertal, Wuppertal, Germany.
2023 (English)In: BS 2023 - Proceedings of Building Simulation 2023: 18th Conference of IBPSA, International Building Performance Simulation Association , 2023, p. 2005-2012Conference paper, Published paper (Refereed)
Abstract [en]

This study investigates how information about the controls of heating, ventilation and air-conditioning (HVAC) systems can be gathered from building automation systems for the creation of Digital Twins in Building Performance Simulation (BPS). The concept of Digital Twins in BPS environments is commonly used for Fault Detection and Diagnosis or performance gap analysis during operation. In the creation, often emphasis is put on building physics or user behavior. In modern buildings, automation systems play an important role to guarantee user comfort requirements as well as an energy efficient operation. To replicate the behavior of real HVAC systems in Building Performance Simulations, the underlying control logic has to be known. To gather this information in operation we have investigated three sources: firstly, documentation from the design phase including already existing simulation models, secondly, the control code on automation systems and thirdly, reverse engineering from measured data. The study focuses on air handling units and is based on experiences in state-of-the-art building demonstrators from research projects in Sweden and Germany.

Place, publisher, year, edition, pages
International Building Performance Simulation Association , 2023. p. 2005-2012
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:kth:diva-341623DOI: 10.26868/25222708.2023.1434Scopus ID: 2-s2.0-85179512694OAI: oai:DiVA.org:kth-341623DiVA, id: diva2:1822827
Conference
18th IBPSA Conference on Building Simulation, BS 2023, Shanghai, China, Sep 4 2023 - Sep 6 2023
Note

QC 20231228

Available from: 2023-12-28 Created: 2023-12-28 Last updated: 2024-03-11Bibliographically approved

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Publisher's full textScopushttps://publications.ibpsa.org/proceedings/bs/2023/papers/bs2023_1434.pdf

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Molinari, Marco

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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