Prediction of speed limit on the railway track using track quality index and multibody dynamics simulation
Hera Widyastuti, Amisani Fatah Sedayu, Wahyu Satyaning Budhi, Wing Kong Chiu, Istiardownload PDF
Abstract. The performance of track conditions must be thoroughly assessed to ensure the safe operation of the train that travels through the track. The Track Quality Index (TQI) is used to determine the condition of the railway track. The TQI value is a statistical summary of track geometry parameters measured over a specified track length. There are several methods used to analyze TQI including the Indonesian Railway standard (PT. KAI). The KAI’s analysis method of the TQI is a sum up of four parameters which are alignment, longitudinal level, cross-level, and track gauge. Moreover, TQI is used to determine the speed limit allowed for the train to pass through the track. A multibody dynamic system simulation was recently performed as a reference to compare track quality assessments based on driving safety and vertical loads on rails, in which one of the outputs is the speed limit. This result shows that the speed limit based on the multibody system is slightly lower at certain segments compared to the TQI.
Railway Track, Track Quality Index, Multibody Dynamic System Simulation, The Speed Limit
Published online 3/30/2023, 8 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: Hera Widyastuti, Amisani Fatah Sedayu, Wahyu Satyaning Budhi, Wing Kong Chiu, Istiar, Prediction of speed limit on the railway track using track quality index and multibody dynamics simulation, Materials Research Proceedings, Vol. 27, pp 59-66, 2023
The article was published as article 8 of the book Structural Health Monitoring
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