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A novel video-vibration monitoring system for walking pattern identification on floors
Qatar University, Qatar.ORCID iD: 0000-0003-0530-9552
Qatar University, Qatar.
Qatar University, Qatar.
University of Kentucky, USA.
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2020 (English)In: Advances in Engineering Software, ISSN 0965-9978, E-ISSN 1873-5339, Vol. 139, article id 102710Article in journal (Refereed) Published
Abstract [en]

Walking-induced loads on office floors can generate unwanted vibrations. The current multi-person loading models are limited since they do not take into account nondeterministic factors such as pacing rates, walking paths, obstacles in walking paths, busyness of floors, stride lengths, and interactions among the occupants. This study proposes a novel video-vibration monitoring system to investigate the complex human walking patterns on floors. The system is capable of capturing occupant movements on the floor with cameras, and extracting walking trajectories using image processing techniques. To demonstrate its capabilities, the system was installed on a real office floor and resulting trajectories were statistically analyzed to identify the actual walking patterns, paths, pacing rates, and busyness of the floor with respect to time. The correlation between the vibration levels measured by the wireless sensors and the trajectories extracted from the video recordings were also investigated. The results showed that the proposed video-vibration monitoring system has strong potential to be used in training data-driven crowd models, which can be used in future studies to generate realistic multi-person loading scenarios.

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 139, article id 102710
National Category
Building Technologies
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-90285DOI: 10.1016/j.advengsoft.2019.102710OAI: oai:DiVA.org:lnu-90285DiVA, id: diva2:1373396
Available from: 2019-11-27 Created: 2019-11-27 Last updated: 2019-12-18Bibliographically approved

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Abdeljaber, Osama

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