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Research and design of an expert diagnosis system for rail vehicle driven by data mechanism models

railway Sciences 2024年第4期3卷 480-502页

作者： Lin Li Jiushan Wang Shilu Xiao Zhuzhou Guochuang rail Technology Company Limited ZhuzhouChina Zhuzhou Guochuang rail Technology Company Limited Industrial Intelligence Research InstituteZhuzhouChina

Purpose-The aim of this work is to research and design an expert diagnosis system for rail vehicle driven by data mechanism ***/methodology/approach-The expert diagnosis system utilizes statistical and deep learning methods to model the real-time status and historical data features of rail *** on data mechanism models,it predicts the lifespan of key components,evaluates the health status of the vehicle and achieves intelligent monitoring and diagnosis of rail ***-The actual operation effect of this system shows that it has improved the intelligent level of the rail vehicle monitoring system,which helps operators to monitor the operation of vehicle online,predict potential risks and faults of vehicle and ensure the smooth and safe operation of ***/value-This system improves the efficiency of rail vehicle operation,scheduling and maintenance through intelligent monitoring and diagnosis of rail vehicle.

关键词： rail transit rail vehicle Expert diagnosis Intelligent operation and maintenance Deep learning Lifespan prediction Reliability analysis

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Design of Experimental Platform for Urban rail vehicle Braking System

Design of Experimental Platform for Urban Rail Vehicle Braki...

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2010 Chinese Control and Decision Conference

作者： Qingsheng Feng~1,Jisheng Hu~2,Hong Li~3 1.School of Electrical & Information,Dalian Jiaotong University,Dalian,116028 2.School of Traffic & Transportation,Dalian Jiaotong University,Dalian,116028 3.Software Institute,Dalian Jiaotong University,Dalian,116028

＜正＞A good design for urban rail vehicle braking process can meet the demand of transportation better and do well to the management of urban mass transit *** it is very important for analyzing the train braking process and estimating the result that how to calculate the state of the train braking in different moments accurately and *** paper described the design of urban rail vehicle braking system and analyzed the simulation of the braking process.

关键词： Computer control rail vehicle Braking Process Experimental Platform

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Correlation study between the square-coneenergy-absorbing structure and the frontal collisionbehaviour of leading vehicles

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Transportation Safety and Environment 2023年第3期5卷 60-77页

作者： Ping Xu Ying Gao Chong Huang Chengxing Yang Shuguang Yao Quanwei Che Key Laboratory of Traffic Safety on Track of Ministry of Education Centr al South UniversityChangsha 410075HunanChina CRRC Qingdao Sifang Co. LtdQingdao 266111ShandongChina

In order to study the influence of square-cone energy-absorbing structures on the mechanical behaviour of the ollision performance of the leading vehicle,a parameterization method for rapidly changing the performance of energy-absorbing structures was ***,a finite element simulation model of the collision of the leading vehicle with a square-cone energy-absorbing structure was ***,the platform force,the slope of the platform force and the initial peak force of the force-displacement curve derived from the energy-absorbing structure were studied for the collision performance of the leading ***,the correlation model of the square-cone energy-absorbing structure and the mechanical behaviour of the collision performance of the leading vehicle was established by the response surface *** results showed that the increase of the platform force of the energy-absorbing structure can effectively buffer the longitudinal impact of the train and reduce the nodding attitude of the *** increase of the platform force slope can not only effectively buffer the longitudinal impact and vertical nodding of the train,but also reduce the lateral swing of the *** increase in the initial peak force to a certain extent may lead to a change in the deformation mode,thereby reducing the energy-absorption *** correlation model can guide the design of the square-cone energy-absorbing structure and predict the deformation attitude of the leading vehicle.

关键词： square-cone energy-absorbing structure parametric method correlation model collision performance rail vehicle

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