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Reliability evaluation of an HVAC ventilation system with FTA and RBD analysis
Dept of Information Engineering, University of Florence, via di S. Marta 3, 50139, Florence, Italy.
Dept of Information Engineering, University of Florence, via di S. Marta 3, 50139, Florence, Italy.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Drift, underhåll och akustik. Industry and Transport Division, Tecnalia Research and Innovation, Miñano (Araba), 01510, Spain.ORCID-id: 0000-0002-4107-0991
2020 (engelsk)Inngår i: 2020 International Symposium on Systems Engineering (ISSE) Proceedings, IEEE, 2020Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Rail industry is rapidly developing, and rail becomes ever more viable in a wide range of regions. Therefore, the passenger experience and comfort has become a major concern for operators in the world. Heating, ventilation and air conditioning systems are used in railways to provide passengers thermal comfort and proper air motion. The ventilation system is one of the main elements of the system. Its components include both mechanical and electronic devices. All components are subjected to stress, and this tends to reduce their life cycle; the reliability of the ventilation system must be evaluated to plan and schedule appropriate maintenance activities. The paper evaluates reliability of the ventilation system using fault tree analysis and a reliability block diagram. Both techniques analyse data qualitatively; moreover, with specific algorithms they also provide quantitative results in term of reliability and probability of system failure. The paper compares the two reliability evaluation methods to verify their accuracy.

sted, utgiver, år, opplag, sider
IEEE, 2020.
Serie
IEEE International Symposium on Systems Engineering (ISSE), E-ISSN 2687-8828
Emneord [en]
Failure analysis, Fault diagnosis, Railway engineering, Redundancy, Reliability
HSV kategori
Forskningsprogram
Drift och underhållsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-85238DOI: 10.1109/ISSE49799.2020.9272024ISI: 000649731200011Scopus ID: 2-s2.0-85098736346OAI: oai:DiVA.org:ltu-85238DiVA, id: diva2:1564117
Konferanse
6th International Symposium on Systems Engineering (IEEE ISSE 2020), Virtual, October 12-November 12, 2020
Merknad

ISBN för värdpublikation: 978-1-7281-8602-3

Tilgjengelig fra: 2021-06-11 Laget: 2021-06-11 Sist oppdatert: 2021-06-11bibliografisk kontrollert

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