RAIL

作品数：401被引量：534H指数：10
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相关领域：交通运输工程机械工程更多>>
相关作者：杨银堂朱樟明刘福松王晓飞周峰更多>>
相关机构：同济大学西南交通大学常州千红生化制药股份有限公司国防科学技术大学更多>>
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相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家科技重大专项更多>>
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Evaluation of On-Vehicle Bone-Conduct Acoustic Emission Detection for Rail Defects
《Journal of Transportation Technologies》2025年第1期95-121,共27页Lei Jia Jee Woong Park Ming Zhu Yingtao Jiang Hualiang Teng 
Rail defects can pose significant safety risks in railway operations, raising the need for effective detection methods. Acoustic Emission (AE) technology has shown promise for identifying and monitoring these defects,...
关键词：Railroad Infrastructure Rail Defect Detection Rail Health Monitoring Wavelet Analysis Acoustic Emission Detection 
Intelligent human-computer interactive training assistant system for rail systems
《High-Speed Railway》2025年第1期64-77,共14页Yuexuan Li Junhua Chen Xiangyong Luo Han Zheng 
the Talent Fund of Beijing Jiaotong University(Grant No.2024XKRC055).
In recent years,railway construction in China has developed vigorously.With continuous improvements in the highspeed railway network,the focus is gradually shifting from large-scale construction to large-scale operati...
关键词：High-speed railway Dispatch training assistance Large language model Human-computer interactive training assistant system Reinforcement learning 
Carbody sway behaviour of railway vehicles due to track irregularity from rail alternate side wear
《Railway Engineering Science》2025年第1期27-42,共16页Lai Wei Jing Zeng Ren Luo Feng Gan Jijun Gong Jun Jiang 
supported by the National Natural Science Foundation of China(Grant Nos.52002344,U2034210,and 61960206010);the Development Project of State Key Laboratory of Rail Transit Vehicle System(Grant No.2022TPL_T09)。
Track irregularity from rail alternate side wear is manifested as uneven rail wear waveforms alternating in the left and right rails with equal intervals,which will cause carbody sway behaviour of railway vehicles and...
关键词：Carbody sway Track irregularity Rail wear Creep force Carbody mode 
Fantasy Transportation:New Rail-Powered Flying Coach
《Journal of Electronic Research and Application》2025年第1期88-93,共6页Shuangyue Zhao Tianyu Wu Rongjin Wang Peiyin Wen Zilong Fan Zhongyu Jing Yongming He 
College Student Innovation Training Program Project(S202410225147)。
To address the challenges of long commuting times,traffic congestion,high energy consumption,and emissions in inter-city travel,a new type of flying coach has been developed.This innovation aims to significantly short...
关键词：Public transportation Rail power Flying coach Carbon emission reduction New energy supply methods 
Parameter influence analysis and optimization of wheel–rail creepage characteristics in high-speed railway curves
《Railway Sciences》2025年第1期37-51,共15页Bolun An Jiapeng Liu Guang Yang Feng shou Liu Tong Shi Ming Zhai 
sponsored by the National Natural Science Foundation of China(Grant No.52405443);the Technology Research and Development Plan of China Railway(Grant No.N2023G063);the Fund of China Academy of Railway Sciences Corporation Limited(Grant No.2023YJ054).
Purpose–To investigate the influence of vehicle operation speed,curve geometry parameters and rail profile parameters on wheel–rail creepage in high-speed railway curves and propose a multi-parameter coordinated opt...
关键词：High-speed railway Curve track Wheel-rail creepage Parameter analysis Response surface methodology Optimization design 
A Novel Model for Describing Rail Weld Irregularities and Predicting Wheel-Rail Forces Using a Machine Learning Approach
《Computer Modeling in Engineering & Sciences》2025年第1期555-577,共23页Linlin Sun Zihui Wang Shukun Cui Ziquan Yan Weiping Hu Qingchun Meng 
supported by Natural Science Foundation of China(52178441);the Scientific Research Projects of the China Academy of Railway Sciences Co.,Ltd.(Grant No.2022YJ043).
Rail weld irregularities are one of the primary excitation sources for vehicle-track interaction dynamics in modern high-speed railways.They can cause significant wheel-rail dynamic interactions,leading to wheel-rail ...
关键词：Rail weld irregularity high-speed railway vehicle-track coupled dynamics wheel/rail dynamic vertical force artificial neural networks 
Experimental study on the acoustic roughness spectrum of high-speed railway rails
《Railway Sciences》2024年第6期704-716,共13页Li Han Xiangyang Wu Qing Yu Lanhua Liu Chenge Wang 
supported by multiple funding sources,including the China State Railway Group Co.,Ltd.’s Science and Technology Development Plan(Project Code:P2022Z003).
Purpose–This study aims to investigate the acoustic roughness of rails on China’s high-speed railways,with a focus on short-wavelength irregularities(less than 80 cm),which are known to significantly contribute to n...
关键词：High-speed railway RAIL Acoustic roughness Short-wavelength irregularity 
Running safety assessment method of trains under seismic conditions based on the derailment risk domain
《Railway Engineering Science》2024年第4期499-517,共19页Zhihui Zhu Gaoyang Zhou Weiqi Zheng Wei Gong Yongjiu Tang 
supported by the National Key R&D Program“Transportation Infrastructure”“Reveal The List and Take Command”project(2022YFB2603301);National Natural Science Foundation of China(No.52078498);Natural Science Foundation of Hunan Province of China(No.2022JJ30745);Frontier cross research project of Central South University(No.2023QYJC006);Hunan Provincial Science and Technology Promotion Talent Project(No.2020TJ-Q19);Science and Technology Research and Development Program Project of China railway group limited(Major Special Project,No.2021-Special-04-2)。
The accurate assessment of running safety during earthquakes is of significant importance for ensuring the safety of railway lines.Currently,assessment methods based on a single index suffer from issues such as misjud...
关键词：Earthquake High-speed train Running safety Wheel–rail contact Derailment risk domain 
Dynamic Train Vertical Sperling Index Evaluation Model Considering Wheel-Rail Contact Loss
《Journal of Shanghai Jiaotong university(Science)》2024年第6期1103-1115,共13页LIU Yiling ZHANG Jingwei LIU Xuewen WANG Yansong ZHOU Yueting 
the National Natural Science Foundation of China(Nos.51675324,11972257 and 11832014);the Project of the Science and Technology Commission of Shanghai Municipality(No.19030501100);the Technical Service Platform for Vibration and Noise Testing and Control of New Energy Vehicles(No.18DZ2295900)。
In this study,a half-space 13-degree-of-freedom vehicle model,a double track model,and a train-bridge interaction model were integrated to form a combined people-train-rail-bridge interaction model to analyze the vert...
关键词：equivalent mechanical model people-train-rail-bridge interaction Sperling index analysis massspring-damping theory 
Measured dynamic load distribution within the in situ axlebox bearing of high-speed trains under polygonal wheel–rail excitation
《Railway Engineering Science》2024年第4期444-460,共17页Yu Hou Xi Wang Jiaqi Wei Menghua Zhao Wei Zhao Huailong Shi Chengyu Sha 
supported by the National Natural Science Foundation of China (Grant No. 12302238);the National Key Research and Development Program of China (Grant Nos. 2021YFB3400701, 2022YFB3402904)。
The dynamic load distribution within in-service axlebox bearings of high-speed trains is crucial for the fatigue reliability assessment and forward design of axlebox bearings. This paper presents an in situ measuremen...
关键词：High-speed train Axlebox bearing Dynamic load distribution In situ measurement Polygonal wheel–rail excitation 
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