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Applied Sciences
Volume 11
Issue 7
10.3390/app11073108
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Article

Towards an Occupancy-Oriented Digital Twin for Facility Management: Test Campaign and Sensors Assessment

by
Elena Seghezzi
1,*,
Mirko Locatelli
1,
Laura Pellegrini
1,
Giulia Pattini
1,
Giuseppe Martino Di Giuda
2,
Lavinia Chiara Tagliabue
3 and
Guido Boella
3
1
Department of Architecture, Built Environment and Construction Engineering, Politecnico di Milano, via Ponzio 31, 20133 Milan, Italy
2
Department of Management, Università Degli Studi di Torino, Via Verdi 8, 10124 Turin, Italy
3
Department of Computer Science, Università Degli Studi di Torino, Corso Svizzera 185, 10124 Turin, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Jorge de Brito
Appl. Sci. 2021, 11(7), 3108; https://doi.org/10.3390/app11073108
Received: 28 February 2021 / Revised: 15 March 2021 / Accepted: 23 March 2021 / Published: 31 March 2021
(This article belongs to the Special Issue Cognitive Buildings)
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Abstract

This study focuses on calibration and test campaigns of an IoT camera-based sensor system to monitor occupancy, as part of an ongoing research project aiming at defining a Building Management System (BMS) for facility management based on an occupancy-oriented Digital Twin (DT). The research project aims to facilitate the optimization of building operational stage through advanced monitoring techniques and data analytics. The quality of collected data, which are the input for analyses and simulations on the DT virtual entity, is critical to ensure the quality of the results. Therefore, calibration and test campaigns are essential to ensure data quality and efficiency of the IoT sensor system. The paper describes the general methodology for the BMS definition, and method and results of first stages of the research. The preliminary analyses included Indicative Post-Occupancy Evaluations (POEs) supported by Building Information Modelling (BIM) to optimize sensor system planning. Test campaign are then performed to evaluate collected data quality and system efficiency. The method was applied on a Department of Politecnico di Milano. The period of the year in which tests are performed was critical for lighting conditions. In addition, spaces’ geometric features and user behavior caused major issues and faults in the system.Incorrect boundary definition: areas that are not covered by boundaries; thus, they are not monitored View Full-Text
Keywords: Building Management System; Digital Twin; Post-Occupancy Evaluations; facility management; asset management Building Management System; Digital Twin; Post-Occupancy Evaluations; facility management; asset management
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MDPI and ACS Style

Seghezzi, E.; Locatelli, M.; Pellegrini, L.; Pattini, G.; Di Giuda, G.M.; Tagliabue, L.C.; Boella, G. Towards an Occupancy-Oriented Digital Twin for Facility Management: Test Campaign and Sensors Assessment. Appl. Sci. 2021, 11, 3108. https://doi.org/10.3390/app11073108

AMA Style

Seghezzi E, Locatelli M, Pellegrini L, Pattini G, Di Giuda GM, Tagliabue LC, Boella G. Towards an Occupancy-Oriented Digital Twin for Facility Management: Test Campaign and Sensors Assessment. Applied Sciences. 2021; 11(7):3108. https://doi.org/10.3390/app11073108

Chicago/Turabian Style

Seghezzi, Elena, Mirko Locatelli, Laura Pellegrini, Giulia Pattini, Giuseppe Martino Di Giuda, Lavinia Chiara Tagliabue, and Guido Boella. 2021. "Towards an Occupancy-Oriented Digital Twin for Facility Management: Test Campaign and Sensors Assessment" Applied Sciences 11, no. 7: 3108. https://doi.org/10.3390/app11073108

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