Recent Articles

Open access

ISSN: 2949-8678
CN: 10-1922/U2
p-ISSN: 2097-3446

Study on life prediction method for rail vehicle critical components based on deep learning models and track load spectra

Deep learning and fatigue life prediction remain focal research areas in rail vehicle engineering. This study addresses the vibration fatigue of wheelset lifting lug in Chengdu Metro Line 1 bogies,...

A generation-based defect detection system for rail transit infrastructure

The use of Unmanned Aerial Vehicles (UAVs) for defect detection on railway slopes is becoming increasingly widespread due to their ability to capture high-resolution images over large, inaccessible,...

Deep learning-based method for damage identification and localization of the maglev track stator surface

The stator of the maglev track plays a crucial role in the operation of the maglev system. Currently, the efficiency of maglev track inspection is limited by several factors, including the large span...

Digital twin-driven structural damage monitoring via multilevel Lamb wave enhancement and transfer learning

As structural damage patterns and service environments become more complex, digital twin-based structural health monitoring, with its unique advantages, can compensate for the limitations of data-driven...

Analysis of loading characteristics of windshield wiper structure on high-speed train

This paper studies the structural response of high-speed train wipers under the combined action of complex flow fields and scraping actions. The stress concentration areas are determined through simulation...

Estimated carrying capacity based on different signal types for Vietnam’s high-speed railway plan

Research on high-speed railways is a relatively new yet highly significant field in Vietnam. Among its key components, train control signaling plays a critical role, as it directly affects various interconnected...

Research on intelligent management of air compression refrigeration system in the environmental wind tunnel of high-speed railway trains

The environmental wind tunnel of high-speed railway trains serves as a crucial experimental facility for the research and development of high-speed railway technology. The refrigeration system within...

A knowledge modeling method for high-speed railway emergency faults based on structured logic diagrams and knowledge graphs

Knowledge graphs, which combine structured representation with semantic modeling, have shown great potential in knowledge expression, causal inference, and automated reasoning, and are widely used in...

Research on Quantitative Diagnosis Technology for Structural Cracks in Critical Welds of Rail Vehicles

Critical welded structures in rail vehicles are subjected to prolonged alternating loads, making structural fatigue failure a primary safety concern. This study develops a quantitative crack diagnosis...

Stress time series prediction for orthotropic-steel-bridge-decks welds using a TCN-LSTM neural network

The stress time-history at the rib-to-deck (RTD) connections of orthotropic steel bridge decks (OSBDs) is crucial for the near-real-time safety assessment and early warning of highway bridge structures....

Multi-Class Rail Defect Detection using Advanced Artificial Intelligence

Railway infrastructure demands continuous monitoring to ensure operational safety and prevent catastrophic failures. Conventional inspection approaches, including manual visual examination and non-destructive...

Research on the site selection of overseas railway engineering logistics bases from the perspective of supply chain resilience: Take the China-Laos Railway as an example

Aiming to jointly build the Belt and Road Initiative with high quality and to better advance the construction of overseas railway projects, this paper aims at the reality of overseas railway projects...

Effects of settlement in the subgrade-bridge transition section on slab track deformation and damage

Slab track is highly sensitive to subgrade deformation, particularly at subgrade-bridge transition section, where abrupt stiffness changes govern structural response and durability. In this study, a...

Research on stiffness and consistent mass matrices for the tapered three-dimensional beam using a force-based method

For variable-section high-speed railway bridges, such as continuous girders and rigid-frame bridges, tapered 3D beam elements are frequently utilized to model bridge components. However, current high-speed...

Optimization of Intercity Railway Line Planning with Fluctuated Demand and Constrained Carriage Resource

The tidal nature of intercity railway commuter passenger demand is crucial to developing line plans that are responsive to demand, especially for busy lines. However, the transport capacity of busy...

Sulfate attack resistance of cement-stabilized crushed gravel base

To address the transverse heaving hazard of asphalt pavement in desert and salinized soil regions in China, an indoor method is proposed for the measurement of the sulfate resistance of cement-stabilized...

A comparative headway analysis of hybrid Level 3 with TTD-backup and hybrid Level 3 (VSSs) in ETCS-Level 3 for Vietnam’s high-speed rail

Research on signaling technology for the feasibility study and preliminary design of High-Speed Rail (HSR) in Vietnam is an urgent priority during this period. At the same time, the study of modern...

Development of next-generation high-speed railways: Current status, trends, and suggestions

In recent decades, High-Speed Railway (HSR) technology has seen rapid advancements, and the knowledge system in related fields has gradually matured. Providing the speed, safety, and comfort of HSR...

Preliminary Investigation of Railway Embankment Settlement Control for the Chabahar–Zahedan–Mashhad Line in the Seasonal Mohammadabad-e Alam Wetland

The passage of the Chabahar–Zahedan–Mashhad railway project through the seasonal Mohammadabad-e Alam wetland, located north of Qaen, may cause irreversible hazards due to saturation of the embankment...

Machine learning in railway catenary inspection: A review of data processing techniques

In electrified railways, the dynamic behavior of the catenary system is crucial for ensuring smooth and reliable current collection by electric trains. This process depends on the direct interaction...

Optimal integration location and sizing of renewable energy systems in AC railways for cost optimisation

This study presents a bi-level optimisation framework for the optimal integration of Photovoltaic (PV) systems and Energy Storage Systems (ESS) in AC railway traction power supply networks. The framework...

Multi-task multi-level alarm of long-span railway bridge monitoring systems via excitation-response indicators cross-cooperation

There are multiple types of risks involved in the service of long-span railway bridges. Classical methods are difficult to provide targeted alarm information according to different situations of load...

An estimating methodology for the load of train axle box bearings

Axle box bearings serve as crucial components within the transmission system of high-speed trains. Their failure can directly impact the operational safety of these trains. Accurately determining the...

Compact, gain-enhanced 5G mmWave antenna with metallic ground-backed reflector for high-speed railway communication systems

This research presents a compact, high-gain millimeter-wave antenna tailored for reliable 5 G communication in high-speed railway environments. The proposed antenna supports dual-band operation at 28 GHz...

A method for predicting random vibration response of train-track-bridge system based on GA-BP neural network

To enhance the efficiency of stochastic vibration analysis for the Train-Track-Bridge (TTB) coupled system, this paper proposes a prediction method based on a Genetic Algorithm-optimized Backpropagation...

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