High-speed Railway最新文献_第2页

A generation-based defect detection system for rail transit infrastructure 基于生成的轨道交通基础设施缺陷检测系统

High-speed Railway Pub Date : 2026-03-01 Epub Date: 2025-09-25 DOI: 10.1016/j.hspr.2025.09.004

Xinyu Zheng , Lingfeng Zhang , Yuhao Luo , Tiange Wang

{"title":"A generation-based defect detection system for rail transit infrastructure","authors":"Xinyu Zheng , Lingfeng Zhang , Yuhao Luo , Tiange Wang","doi":"10.1016/j.hspr.2025.09.004","DOIUrl":"10.1016/j.hspr.2025.09.004","url":null,"abstract":"<div><div>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, and topographically complex areas. However, current UAV-based detection methods face several critical limitations, including constrained deployment frequency, limited availability of annotated defect data, and the lack of mature risk assessment frameworks. To address these challenges, this study introduces a novel approach that integrates diffusion models with Large Language Models (LLMs) to generate high-quality synthetic defect images tailored to railway slope scenarios. Furthermore, an improved transformer-based architecture is proposed, incorporating attention mechanisms and LLM-guided diffusion-generated imagery to enhance defect recognition performance under complex environmental conditions. Experimental evaluations conducted on a dataset of 300 field-collected images from high-risk railway slopes demonstrate that the proposed method significantly outperforms existing baselines in terms of precision, recall, and robustness, indicating strong applicability for real-world railway infrastructure monitoring and disaster prevention.</div></div>","PeriodicalId":100607,"journal":{"name":"High-speed Railway","volume":"4 1","pages":"Pages 1-9"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147386109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Research on intelligent management of air compression refrigeration system in the environmental wind tunnel of high-speed railway trains 高速铁路列车环境风洞空气压缩制冷系统智能管理研究

High-speed Railway Pub Date : 2026-03-01 Epub Date: 2025-10-14 DOI: 10.1016/j.hspr.2025.09.008

Junjun Zhuang , Meng Liu , Lingfeng Sun , Jun Wang

{"title":"Research on intelligent management of air compression refrigeration system in the environmental wind tunnel of high-speed railway trains","authors":"Junjun Zhuang , Meng Liu , Lingfeng Sun , Jun Wang","doi":"10.1016/j.hspr.2025.09.008","DOIUrl":"10.1016/j.hspr.2025.09.008","url":null,"abstract":"<div><div>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 the wind tunnel is an important subsystem. However, the design of the wind tunnel refrigeration system management program presents significant scientific challenges and limitations. Traditional management approaches in wind tunnel refrigeration systems suffer from prolonged decision-making times and reliance on experiential knowledge, necessitating the need for intelligent transformation. This paper aims to address these issues by exploring existing intelligent management methodologies and defining the concept of a wind tunnel intelligent laboratory along with its primary modules. Furthermore, we propose a water cooler failure prediction model based on the existing equipment model of the wind tunnel’s refrigeration system. This model effectively predicts the Remaining Useful Life (RUL) of the water cooler in the case of fouling failure, contributing to enhanced efficiency, cost reduction, and safety improvements in laboratories.</div></div>","PeriodicalId":100607,"journal":{"name":"High-speed Railway","volume":"4 1","pages":"Pages 48-58"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147386059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Digital twin-driven structural damage monitoring via multilevel Lamb wave enhancement and transfer learning 基于多级Lamb波增强和迁移学习的数字双驱动结构损伤监测

High-speed Railway Pub Date : 2026-03-01 Epub Date: 2025-10-03 DOI: 10.1016/j.hspr.2025.10.001

Yuan Huang, Xinlin Qing

{"title":"Digital twin-driven structural damage monitoring via multilevel Lamb wave enhancement and transfer learning","authors":"Yuan Huang, Xinlin Qing","doi":"10.1016/j.hspr.2025.10.001","DOIUrl":"10.1016/j.hspr.2025.10.001","url":null,"abstract":"<div><div>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 methods regarding data dependency and model interpretability. However, it still faces challenges in modeling complexity, simulation accuracy, and discrepancies between real and virtual features. This study proposes a balanced fidelity digital twin for structural damage monitoring based on Lamb wave multilevel feature enhancement and adaptive space interaction. Firstly, multilevel refined features are extracted from few-shot guided wave signals obtained in physical and digital space, and the adversarial synthetic balancing algorithm is proposed for feature enhancement. Additionally, the learning phase of the damage monitoring model based on the feature-mapping convolutional network is driven by virtual samples of readily accessible balanced fidelity in digital space. To reduce the feature distributional difference between the two spaces, an interactive transfer approach is introduced to establish a shared feature digital twin space. Overall, this study provides a feasible technique to enhance the accessibility and generalizability of digital twins for real engineering structures.</div></div>","PeriodicalId":100607,"journal":{"name":"High-speed Railway","volume":"4 1","pages":"Pages 27-32"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147386112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Estimated carrying capacity based on different signal types for Vietnam’s high-speed railway plan 根据越南高速铁路计划的不同信号类型估计的承载能力

High-speed Railway Pub Date : 2026-03-01 Epub Date: 2025-10-10 DOI: 10.1016/j.hspr.2025.10.002

Thai Nguyen, Hong Le Xuan, Dong Doan Van

{"title":"Estimated carrying capacity based on different signal types for Vietnam’s high-speed railway plan","authors":"Thai Nguyen, Hong Le Xuan, Dong Doan Van","doi":"10.1016/j.hspr.2025.10.002","DOIUrl":"10.1016/j.hspr.2025.10.002","url":null,"abstract":"<div><div>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 systems, including infrastructure, traction power supply, operational planning, and overall railway safety. This article focuses on evaluating the capacity of the line based on the types of signals suitable for high-speed railways that have been effectively implemented in several European countries and successfully adapted in China. The research and simulation are conducted using MATLAB software, a reliable and widely adopted tool in the scientific community. The findings demonstrate that under normal conditions, the European Railway Traffic Management System/European Train Control System (ERTMS/ETCS) Level 2 signaling can support up to 23.7485 trains/hour/direction. Meanwhile, ERTMS/ETCS Level 3 with full moving block can accommodate up to 30.8735 trains/hour/direction, and ERTMS/ETCS Level 3 with fixed virtual blocks up to 29.4694 trains/hour/direction. In emergency scenarios, ERTMS/ETCS Level 3 with full moving block reduces headway by 33.27 % compared to CTCS Level 3, while ERTMS/ETCS Level 3 with fixed virtual blocks achieves a 28.78 % reduction. Overall, the ERTMS/ETCS Level 3 emerges as a state-of-the-art signaling technology offering high capacity and operational efficiency, and is recommended as a forward-looking solution for future implementation in Vietnam.</div></div>","PeriodicalId":100607,"journal":{"name":"High-speed Railway","volume":"4 1","pages":"Pages 41-47"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147386058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analysis of loading characteristics of windshield wiper structure on high-speed train 高速列车风挡雨刷结构载荷特性分析

High-speed Railway Pub Date : 2026-03-01 Epub Date: 2025-10-06 DOI: 10.1016/j.hspr.2025.09.009

Honglei Yuan, Quanwei Che, Sicong Zhao

{"title":"Analysis of loading characteristics of windshield wiper structure on high-speed train","authors":"Honglei Yuan, Quanwei Che, Sicong Zhao","doi":"10.1016/j.hspr.2025.09.009","DOIUrl":"10.1016/j.hspr.2025.09.009","url":null,"abstract":"<div><div>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 analysis, and the stress and aerodynamic load measurement points are reasonably arranged accordingly. The actual measurement is carried out in combination with the operating conditions of the existing lines. The stress variations and spectral characteristics of the train under different speed levels (80 , 160 , 180 , 200 km/h), tunnel entry and exit, and scraper action conditions were compared and analyzed. The stress amplification factors under tunnel intersection and scraper action were obtained, providing boundary conditions for the design of wipers for high-speed s. The research results show that the maximum stress of the wiper structure obtained through simulation calculation is concentrated at the connection of the wiper arm. Structural stress increases with the rise of speed grade. The stress increases by 1.11 times when the tunnel meets. When the scraper operates, the stress on the scraper arm increases by 4.1–7.6 times. Due to the broadband excitation effect of the aerodynamic load, the spectral energy of the structure is relatively high at the natural frequency, which excites the natural mode of the wiper.</div></div>","PeriodicalId":100607,"journal":{"name":"High-speed Railway","volume":"4 1","pages":"Pages 33-40"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147386081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Study on life prediction method for rail vehicle critical components based on deep learning models and track load spectra 基于深度学习模型和轨道载荷谱的轨道车辆关键部件寿命预测方法研究

High-speed Railway Pub Date : 2026-03-01 Epub Date: 2025-09-25 DOI: 10.1016/j.hspr.2025.09.006

Haitao Hu, Quanwei Che, Weihua Wang, Xiaojun Wang, Ziming Wang

引用次数: 0

Reactivation of the railway line from Surabaya to Madura: Enhancing regional connectivity and transportation infrastructure 恢复从泗水到马杜拉的铁路线：加强区域连通性和交通基础设施

High-speed Railway Pub Date : 2025-12-01 Epub Date: 2025-09-20 DOI: 10.1016/j.hspr.2025.09.005

Gunawan Gunawan , Basil David Daniel , Slamet Budi Utomo , Jenny Caroline

{"title":"Reactivation of the railway line from Surabaya to Madura: Enhancing regional connectivity and transportation infrastructure","authors":"Gunawan Gunawan , Basil David Daniel , Slamet Budi Utomo , Jenny Caroline","doi":"10.1016/j.hspr.2025.09.005","DOIUrl":"10.1016/j.hspr.2025.09.005","url":null,"abstract":"<div><div>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 solution is the reactivation of the Surabaya–Madura railway, an abandoned infrastructure with significant potential to enhance regional connectivity and urban mobility. However, academic studies on railway reactivation remain limited, particularly in the Madura context where dependence on road-based transport persists. This research gap highlights the importance of examining reactivation not only as a transportation alternative but also as a catalyst for regional development. This study adopts a qualitative approach through descriptive surveys to evaluate infrastructure conditions, identify feasible routes, and analyze broader spatial implications. Findings reveal that railway reactivation could strengthen multimodal integration, reduce congestion, and support sustainable growth. This study provides the first empirical evidence of the strategic value of the Surabaya–Madura railway within Indonesia’s transport and regional development discourse.</div></div>","PeriodicalId":100607,"journal":{"name":"High-speed Railway","volume":"3 4","pages":"Pages 330-336"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145694819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A method for predicting random vibration response of train-track-bridge system based on GA-BP neural network 基于GA-BP神经网络的列车-轨道-桥梁系统随机振动响应预测方法

High-speed Railway Pub Date : 2025-12-01 Epub Date: 2025-09-02 DOI: 10.1016/j.hspr.2025.08.006

Jianfeng Mao , Yun Zhang , Li Zheng , Mansoor Khan , Zhiwu Yu

{"title":"A method for predicting random vibration response of train-track-bridge system based on GA-BP neural network","authors":"Jianfeng Mao , Yun Zhang , Li Zheng , Mansoor Khan , Zhiwu Yu","doi":"10.1016/j.hspr.2025.08.006","DOIUrl":"10.1016/j.hspr.2025.08.006","url":null,"abstract":"<div><div>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 (GA-BP) neural network. First, initial track irregularity samples and random parameter sets of the Vehicle–Bridge System (VBS) are generated using the stochastic harmonic function method. Then, the stochastic dynamic responses corresponding to the sample sets are calculated using a developed stochastic vibration analysis model of the TTB system. The track irregularity data and vehicle–bridge random parameters are used as input variables, while the corresponding stochastic responses serve as output variables for training the BP neural network to construct the prediction model. Subsequently, the Genetic Algorithm (GA) is applied to optimize the BP neural network by considering the randomness in excitation and parameters of the TTB system, improving model accuracy. After optimization, the trained GA-BP model enables rapid and accurate prediction of vehicle–bridge responses. To validate the proposed method, predictions of vehicle–bridge responses under varying train speeds are compared with numerical simulation results. The findings demonstrate that the proposed method offers notable advantages in predicting the stochastic vibration response of high-speed railway TTB coupled systems.</div></div>","PeriodicalId":100607,"journal":{"name":"High-speed Railway","volume":"3 4","pages":"Pages 305-317"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145694814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Multi-task multi-level alarm of long-span railway bridge monitoring systems via excitation-response indicators cross-cooperation 基于激励-响应指标交叉配合的大跨度铁路桥梁监测系统多任务多层次报警

High-speed Railway Pub Date : 2025-12-01 Epub Date: 2025-08-20 DOI: 10.1016/j.hspr.2025.08.001

Bin Chen , Jinlu Yang , Hanwei Zhao , Mancheng Lu

{"title":"Multi-task multi-level alarm of long-span railway bridge monitoring systems via excitation-response indicators cross-cooperation","authors":"Bin Chen , Jinlu Yang , Hanwei Zhao , Mancheng Lu","doi":"10.1016/j.hspr.2025.08.001","DOIUrl":"10.1016/j.hspr.2025.08.001","url":null,"abstract":"<div><div>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 anomalies and structural anomalies. To accurately alarm different risks of long-span railway bridges by structural health monitoring systems, this paper proposes a cross-cooperative alarm method using principal and secondary indicators during high-wind periods. It provides the prior criterion for monitoring systems under special conditions, defining the principal and secondary indicators, alarm levels, and thresholds based on the relationship between dynamic equilibrium equations and multiple linear regression analysis. Analysis of one-year monitoring data from a long-span railway cable-stayed bridge shows that the 10-min average cross-bridge wind speed (excitation indicator) can be selected as the principal indicator, while lateral displacement (response indicator) can serve as the secondary indicator. The threshold levels of the secondary indicator prioritize the safety of bridge operation (mainly aiming at the safety of trains traversing bridges), with values significantly lower than structural safety thresholds. This approach enhances alarm timeliness and effectively distinguishes between load anomalies, structural anomalies, and equipment failures. Consequently, it improves alarm accuracy and provides timely decision support for bridge maintenance, train traversing, and emergency treatment.</div></div>","PeriodicalId":100607,"journal":{"name":"High-speed Railway","volume":"3 4","pages":"Pages 261-266"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145694822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An online diagnosis method for voltage sensor intermittent fault in railway traction drive systems based on NARX-ELM predictor 基于NARX-ELM预测器的铁路牵引传动系统电压传感器间歇故障在线诊断方法

High-speed Railway Pub Date : 2025-12-01 Epub Date: 2025-09-20 DOI: 10.1016/j.hspr.2025.09.003

Haichuan Tang, Yifan Sun, Xiaoyu Shen, Qi Liu

引用次数: 0