WiFi performance analysis in high-speed railway communication
Available online 20 December 2024
In High-Speed Railways (HSRs), the Train Control and Management System (TCMS) plays a crucial role. However, as the demand for train networks grows, the limitations of traditional wired connections...
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Overview of China high-speed railway earthquake early-warning system
Available online 19 December 2024
Amidst China's aggressive expansion of its high-speed rail network, the intersection of these lines with seismic fault zones has elevated the risk profile for high-speed rail travel. To counteract the...
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Local and global sensitivity analysis for railway upgrading between hydrogen fuel cell and electrification
Available online 12 December 2024
In the field of rail transit, the UK Department of Transport stated that it will realize a comprehensive transformation of UK railways by 2050, abandoning traditional diesel trains and upgrading them...
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Topology optimization of a ratchet compensation structure subject to periodic constraints
Available online 10 December 2024
The railway pantograph-catenary system employs a ratchet compensation device to sustain the tension of the contact wire. However, the excessive weight associated with the ratchet structure adversely...
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A miniaturized wideband high-gain end-fire antenna for 5G-R communication applications
Available online 9 December 2024
This paper presents a miniaturized wideband high-gain microstrip end-fire antenna specifically designed for 5G-R communication applications. The antenna structure comprises a microstrip folded dipole...
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Dynamic squeezing behavior of tamping machine in railway maintenance
Available online 30 November 2024
Tamping squeeze is essential for maintaining ballasted tracks. Previous studies have simulated squeezing behavior as a linear motion with a constant squeezing distance, which is unsuitable for various...
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Advanced 6G Wireless Communication Technologies for Intelligent High-Speed Railways
Available online 30 November 2024
The rapid expansion of railways, especially high-speed railways (HSRs), has drawn considerable interest from both academic and industrial sectors. To meet the future vision of smart rail communications,...
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High-precision urban rail map construction based on multi-sensor fusion
Available online 29 November 2024
The construction of high-precision urban rail maps is crucial for the safe and efficient operation of railway transportation systems. However, the repetitive features and sparse textures in urban rail...
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Artificial-intelligent-powered safety and efficiency improvement for controlling and scheduling in integrated railway systems
September 2024
The multi-mode integrated railway system, anchored by the high-speed railway, caters to the diverse travel requirements both within and between cities, offering safe, comfortable, punctual, and eco-friendly...
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Generalized autoencoder-based fault detection method for traction systems with performance degradation
September 2024
Fault diagnosis of traction systems is important for the safety operation of high-speed trains. Long-term operation of the trains will degrade the performance of systems, which decreases the fault detection...
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Research on fault time prediction method for high speed rail BTM unit based on multi method interactive validation
September 2024
The Balise Transmission Module (BTM) unit of the on-board train control system is a crucial component. Due to its unique installation position and complex environment, this unit has a higher fault rate...
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Study on the dynamic contact relationship between layers under temperature gradients in CRTSⅢ ballastless track
September 2024
In areas with large temperature differences, the uneven distribution of temperatures in the CRTS III ballastless track slab due to daytime sunlight can cause warpage deformation, leading to periodic...
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JR East aims for driverless Shinkansen operation
September 2024
East Japan Railway Company (JR East) is aiming to “realize driverless train operation” as one of the key measures to respond to rapid changes in the business environment. Currently, Automatic Train...
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A time-space network-based model for transportation service optimization of China Railway Express
September 2024
This paper describes the development and optimization plans for the China Railway Express (CR Express). As a new type of international land transport organization, CR Express has emerged with the continuous...
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Virtually coupled train set control subject to space-time separation: A distributed economic MPC approach with emergency braking configuration
September 2024
The emerging virtual coupling technology aims to operate multiple train units in a Virtually Coupled Train Set (VCTS) at a minimal but safe distance. To guarantee collision avoidance, the safety distance...
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High-speed railway and safety: Insights from a bibliometric approach
September 2024
High-Speed Rail (HSR) systems represent a significant advancement in modern transportation. They offer rapid, efficient, and environmentally friendly alternatives to traditional rail, air travel and...
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Dynamic response of high-speed railway vehicle and welded turnout on large-span bridges based on rigid-flexible coupling system
Available online 16 September 2024
Welded Turnout on Large-span Bridge (WTLB) is a complex multi-layer heterogeneous system and can significantly influence the service performance of High-Speed Railway (HSR). Understanding the coupling...
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Bearing fault diagnosis based on a multiple-constraint modal-invariant graph convolutional fusion network
June 2024
Multisensor data fusion method can improve the accuracy of bearing fault diagnosis, in order to address the problems of single-sensor data types and the insufficient exploration of redundancy and complementarity...
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A related degree-based frequent pattern mining algorithm for railway fault data
June 2024
It is of great significance to improve the efficiency of railway production and operation by realizing the fault knowledge association through the efficient data mining algorithm. However, high utility...
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Temperature field calculation of rail flash welding
June 2024
The forging stage of rail flash welding has a decisive influence on joint strength, and the study of the temperature distribution in the process has an important role in further improving joint strength....
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Effects of plasma spraying process on microstructure and mechanical properties of Cr2AlC/410 composite coatings
June 2024
To investigate the influences of Cr2AlC mass fraction and supersonic plasma spraying process on the microstructure and mechanical properties of Cr2AlC reinforced 410 stainless steel composite coatings,...
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Thermal stress simulation analysis of aerospace optical fibers and connectors and related extensions to high-speed railway area
June 2024
Aerospace optical cables and fiber-optic connectors have numerous advantages (e.g., low loss, wide transmission frequency band, large capacity, light weight, and excellent resistance to electromagnetic...
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An improved YOLOv7 for the state identification of sliding chairs in railway turnout
June 2024
The sliding chairs are important components that support the switch rail conversion in the railway turnout. Due to the harsh environmental erosion and the attack from the wheel vibration, the failure...
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Optimal allocation method of electric/air braking force of high-speed train considering axle load transfer
June 2024
Reasonable distribution of braking force is a factor for a smooth, safe, and comfortable braking of trains. A dynamic optimal allocation strategy of electric-air braking force is proposed in this paper...
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Train wheel-rail force collaborative calibration based on GNN-LSTM
June 2024
Accurate wheel-rail force data serves as the cornerstone for analyzing the wheel-rail relationship. However, achieving continuous and precise measurement of this force remains a significant challenge...
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