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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 110
PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo
Paper 301
Repeatability of Vibroacoustic Processes for Tram Diagnostics in Normal Operating Conditions B. Czechyra, F. Tomaszewski, T. Nowakowski and M. Orczyk
Rail Vehicle Division, Institute of Combustion Engines and Transport, Poznan University of Technology, Poland B. Czechyra, F. Tomaszewski, T. Nowakowski, M. Orczyk, "Repeatability of Vibroacoustic Processes for Tram Diagnostics in Normal Operating Conditions", in J. Pombo, (Editor), "Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 301, 2016. doi:10.4203/ccp.110.301
Keywords: tram diagnostics, automation of diagnostic process, inertance of tramway.
Summary
The paper presents the basic results of research on the possibility of diagnostics and monitoring of trams remaining in normal operation. The study is based on recorded vibroacoustic signals associated with the transit of a tram. These studies were undertaken on different tramway sections of the tram infrastructure in Poznan. Signal recording was conducted by the research team, but in the future this procedure will be an autonomous stand-allow system. Automation of the diagnostic process requires conducting extensive analysis in the aspect of repeatability of the observed phenomenon, parameterization and qualification of processes. The paper presents the chosen characteristics of vibroacoustic processes in terms of opportunities for proper follow-up diagnostics taking into account the impact test of the track. In conducting analyses the inertance characteristics of tram tracks was prepared and used for optimization of the signal acquisition process.
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