Attitude variometric approach using DGNSS/INS integration to detect deformation in railway track irregularity measuring
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Geodesy"
DOI: 10.1007/s00190-019-01270-w
Abstract: Track irregularity measuring is of crucial importance to ensure the dynamic driving safety of the train as well as riding comfort of passengers. Navigation-grade inertial navigation system (INS) is capable of providing highly precise attitude… read more here.
Keywords: track irregularity; track; irregularity; dgnss ins ... See more keywords
Multipoint chord reference system for track irregularity: Part I – Theory and methodology
Sign Up to like & getrecommendations! Published in 2019 at "Measurement"
DOI: 10.1016/j.measurement.2019.01.080
Abstract: Abstract This paper proposes a novel approach to measure track irregularity by using a multipoint chord reference (MCR) system. This paper is the first part presenting the theoretical proofs and methodology for analyzing the system… read more here.
Keywords: mcr system; system; methodology; track irregularity ... See more keywords
Extended applications of track irregularity probabilistic model and vehicle–slab track coupled model on dynamics of railway systems
Sign Up to like & getrecommendations! Published in 2017 at "Vehicle System Dynamics"
DOI: 10.1080/00423114.2017.1319961
Abstract: ABSTRACT Track irregularities are inevitably in a process of stochastic evolution due to the uncertainty and continuity of wheel–rail interactions. For depicting the dynamic behaviours of vehicle–track coupling system caused by track random irregularities thoroughly,… read more here.
Keywords: track irregularity; irregularity probabilistic; track; vehicle ... See more keywords
Onboard Train Localization Based on Railway Track Irregularity Matching
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3144207
Abstract: Train localization is a task of fundamental importance to provide reliable and accurate train positioning information for railway control and operation. Determining the train’s position using onboard sensors is a technical trend in this field.… read more here.
Keywords: train localization; train; track irregularity;
Experimental Study on the Potential of Vehicle’s Attitude Response to Railway Track Irregularity in Precise Train Localization
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Intelligent Transportation Systems"
DOI: 10.1109/tits.2022.3174884
Abstract: Railway track is never perfect, as rail distortions, namely, geometric irregularities, exist at all locations along the track. However, these distortions can be regarded as valuable indicators for train localization, since track irregularities present location-dependent… read more here.
Keywords: train localization; localization; track; railway track ... See more keywords
Track Irregularity Assessment in High-Speed Rail by Incorporating Carriage-Body Acceleration with Transfer Function
Sign Up to like & getrecommendations! Published in 2020 at "Mathematical Problems in Engineering"
DOI: 10.1155/2020/8414531
Abstract: The determination of the precise track irregularity with unfavorable wavelength, which shall induce vehicle’s violent vibration in terms of the vehicle’s speeds, still challenges the researchers. This study proposes a feasible study of assessing the… read more here.
Keywords: track irregularity; body acceleration; irregularity; carriage body ... See more keywords
Local Track Irregularity Identification Based on Multi-Sensor Time–Frequency Features of High-Speed Railway Bridge Accelerations
Sign Up to like & getrecommendations! Published in 2023 at "Sustainability"
DOI: 10.3390/su15108237
Abstract: Shortwave track diseases are generally reflected in the form of local track irregularity. Such diseases will greatly impact the train–track–bridge interaction (TTBI) dynamic system, seriously affecting train safety. Therefore, a method is proposed to detect… read more here.
Keywords: railway; local track; bridge; track ... See more keywords