Residual stress in laser cladded heavy-haul rails investigated by neutron diffraction
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Processing Technology"
DOI: 10.1016/j.jmatprotec.2019.116511
Abstract: Abstract Residual stress is one of the critical parameters affecting the fatigue behaviour of tribological components, which can be introduced by a thermo-mechanical process such as laser cladding. In this study, the residual stress distribution… read more here.
Keywords: heavy haul; laser cladded; residual stress; stress ... See more keywords
Study on monitoring broken rails of heavy haul railway based on ultrasonic guided wave
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-59328-5
Abstract: Real-time monitoring of broken rails in heavy haul railways is crucial for ensuring the safe operation of railway lines. U78CrV steel is a common material used for heavy haul line rails in China. In this… read more here.
Keywords: mode; heavy haul; broken rails; monitoring broken ... See more keywords
Design of Distributed Cooperative Observer for Heavy-Haul Train with Unknown Displacement
Sign Up to like & getrecommendations! Published in 2017 at "Iet Intelligent Transport Systems"
DOI: 10.1049/iet-its.2016.0154
Abstract: Acquiring the relative displacement of adjacent vehicles when designing a distributed controller for a heavy-haul train is a critical issue. As heavy-haul trains run in complex, varying environments, the relative displacement of adjacent vehicles may… read more here.
Keywords: haul train; heavy haul; distributed cooperative; displacement ... See more keywords
Bolster spring fault detection strategy for heavy haul wagons
Sign Up to like & getrecommendations! Published in 2018 at "Vehicle System Dynamics"
DOI: 10.1080/00423114.2017.1423090
Abstract: ABSTRACT An on-board health monitoring system is proposed for heavy haul wagons in this paper including a signal-based fault detection and isolation (FDI) method and an on-line fault diagnose strategy. Such a system, to be… read more here.
Keywords: fault; system; heavy haul; bolster spring ... See more keywords
A new model for the dynamic analysis of heavy-haul locomotives with cylindrical pin coupler and buffer systems
Sign Up to like & getrecommendations! Published in 2021 at "Vehicle System Dynamics"
DOI: 10.1080/00423114.2021.1969025
Abstract: This paper proposes a new model of the cylindrical pin coupler and buffer system and then a more accurate train dynamic model to investigate the heavy-haul locomotive dynamic performance and runnin... read more here.
Keywords: new model; heavy haul; pin coupler; cylindrical pin ... See more keywords
A heavy-haul train longitudinal-vertical coupled dynamics model and its dynamic behaviour under emergency braking
Sign Up to like & getrecommendations! Published in 2024 at "Vehicle System Dynamics"
DOI: 10.1080/00423114.2024.2353705
Abstract: The heavy-haul train dynamic performance under emergency braking is complex and directly affects the reliability and running safety. To reveal the heavy-haul train dynamic behaviour in emergency braking process on the long downhill segments, a… read more here.
Keywords: dynamic behaviour; heavy haul; haul train; emergency braking ... See more keywords
Space–time collision avoidance and train dynamics constraints-driven optimal control for heterogeneous heavy-haul trains platoon operation considering air brake delay
Sign Up to like & getrecommendations! Published in 2024 at "Vehicle System Dynamics"
DOI: 10.1080/00423114.2024.2393354
Abstract: The potential of heavy-haul train platoon operation technology in improving railway freight capacity is increasingly recognised, with extensive trial research currently underway. This study firstly utilising longitudinal train dynamics devised a space–time collaborative collision avoidance… read more here.
Keywords: collision avoidance; train; heavy haul;
A fast simulation approach to assess draft gear loads for heavy haul trains during braking
Sign Up to like & getrecommendations! Published in 2021 at "Mechanics Based Design of Structures and Machines"
DOI: 10.1080/15397734.2021.1875233
Abstract: Train traction and brake dynamics simulations can be used to improve the safety and efficiency of heavy haul transportation. Virtual models can be used to analyze many operational conditions that a... read more here.
Keywords: heavy haul; assess draft; approach assess; fast simulation ... See more keywords
Fracture failure analysis of heavy-haul train couplers using convolutional neural network along with multilayer perceptron
Sign Up to like & getrecommendations! Published in 2024 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ad6894
Abstract: Metal couplers are susceptible to unpredictable failure and fracture under long-term high-load conditions in heavy-haul railway transportation. The current mainstream manual inspection method has the disadvantages of high subjectivity and high a priori knowledge requirements,… read more here.
Keywords: fracture; analysis; heavy haul; network ... See more keywords
Dynamic identification of longitudinal impulse of heavy-haul locomotive: an effective intelligent method for comprehensive index
Sign Up to like & getrecommendations! Published in 2025 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/addc03
Abstract: Longitudinal impulse could seriously threaten the heavy-haul train operational safety and stability. Traditional longitudinal impulse level assessment could be achieved through coupler force, coupler yaw angle (CYA) and longitudinal acceleration of carbody (LAC). However, the… read more here.
Keywords: longitudinal impulse; level; heavy haul; identification ... See more keywords
Research on emergency rescue technology and equipment for train operation accidents on a heavy-haul railway network
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Software Engineering"
DOI: 10.1093/tse/tdaa014
Abstract: Bridges, tunnels, cuttings and high subgrade account for a relatively large proportion in China's heavy-haul railway system, where 10 000 t of unit trains and 20 000 t of combined trains are in operation. When… read more here.
Keywords: rescue; operation; haul railway; heavy haul ... See more keywords