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 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...

Microstructure change rule during the consolidation process of peat soil from Yunnan province

Peat soil is a loose, moisture-rich organic matter accumulation formed by the deposition of plants in swamps and lakes after their death. It is characterized by high moisture content, large void ratio,...

Study on noise control and safety assessment of an EMU motor

During the trial operation of a certain electric multiple unit, it was found that although the noise amplitude in the passenger compartment above the traction motor met the limit standard requirements...

An online diagnosis method for voltage sensor intermittent fault in railway traction drive systems based on NARX-ELM predictor

In the field of railway traction drive systems, voltage sensor intermittent faults can significantly impact the reliability and safety of the entire system. This paper proposes an online diagnosis method...

Reactivation of the railway line from Surabaya to Madura: Enhancing regional connectivity and transportation infrastructure

Indonesia is facing severe congestion and high accident rates as motor vehicle growth continues to outpace road capacity, underscoring the urgent need for alternative mass transportation. A promising...

Study on Lateral vibrations of overpasses under different pedestrian walking patterns

Current pedestrian overpasses tend to be lightweight and slender. Their dynamic response under pedestrian loads has elicited increasing attention given the effects of such a response on the safety of...

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