Study on Key Technology of Railway Freight Car Body Fatigue Test
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Failure Analysis and Prevention"
DOI: 10.1007/s11668-020-00828-7
Abstract: Car body fatigue reliability is a key technology for the development of railway heavy axle load freight cars. Therefore, a comprehensive test rig capable for carrying out car body fatigue test and complete car vibration… read more here.
Keywords: test rig; car; car body; test ... See more keywords
Multidisciplinary design optimization for front structure of an electric car body-in-white based on improved Collaborative Optimization method
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Automotive Technology"
DOI: 10.1007/s12239-017-0098-1
Abstract: In this investigation, an Improved Collaborative Optimization (ICO) method based Multidisciplinary Design Optimization (MDO) framework for front structure of an electric car body-in-white (BIW) is presented. ICO method based on 1-norm and dynamic flabby coefficient,… read more here.
Keywords: method; electric car; optimization; structure ... See more keywords
Detecting dings and dents on specular car body surfaces based on optical flow
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Manufacturing Systems"
DOI: 10.1016/j.jmsy.2017.07.006
Abstract: Abstract This paper introduces a new approach to detect defects cataloged as dings and dents on car body surfaces, which is currently one of the most important issues facing quality control in the automotive industry.… read more here.
Keywords: image; optical flow; dings dents; body ... See more keywords
Modelling rubber dynamic stiffness for numerical predictions of the effects of temperature and speed on the vibration of a railway vehicle car body
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.02.037
Abstract: Abstract Using a viscoelastic model containing a temperature spectrum and a friction model, a nonlinear model of rubber elements has been developed and verified. It takes into account the correlation between temperature, vibration frequency, and… read more here.
Keywords: vibration; car body; rubber elements; dynamic stiffness ... See more keywords
Probability Distribution of Joint Point Loadings in Car Body Structures under Global Bending and Torsion
Sign Up to like & getrecommendations! Published in 2020 at "Procedia Manufacturing"
DOI: 10.1016/j.promfg.2020.04.324
Abstract: Abstract More than 6000 cylindrical joining points connect the individual sheet metal components of a current car body. Due to multi-material design, a large number of these points are currently realized by bulk-sheet metal-forming processes,… read more here.
Keywords: tensile shear; joining points; joint point; probability distribution ... See more keywords
Correlation of car-body vibration and train overturning under strong wind conditions
Sign Up to like & getrecommendations! Published in 2020 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2020.106743
Abstract: Abstract A transient large-amplitude car-body vibration could seriously affect train operational safety and riding comfort when a high-speed train passes through a complex terrain under strong wind conditions. In this study, according to the car-body… read more here.
Keywords: body vibration; strong wind; body; car body ... See more keywords
Research on the Influence of Under-Chassis Equipment Parameters and Distribution on Car Body Vibration of High-Speed Railway Vehicle
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DOI: 10.1109/access.2021.3133287
Abstract: Under-chassis equipment for a high-speed railway vehicle contributes significantly to the vibration response characteristics of the car body. To study the influence pattern of the under-chassis equipment parameters and position distributions on the vibration response… read more here.
Keywords: vehicle; body; car body; vibration ... See more keywords
A Novel Prediction Model for Car Body Vibration Acceleration Based on Correlation Analysis and Neural Networks
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Advanced Transportation"
DOI: 10.1155/2018/1752070
Abstract: This paper aims to create a prediction model for car body vibration acceleration that is reliable, effective, and close to real-world conditions. Therefore, a huge amount of data on railway parameters were collected by multiple… read more here.
Keywords: body vibration; vibration acceleration; car body;
STRENGTH OF THE ADHESIVE JOINTS AT THE CAR-BODY PARTS FROM THE AHSS WITH AL-SI COATING
Sign Up to like & getrecommendations! Published in 2017 at "MM Science Journal"
DOI: 10.17973/mmsj.2017_11_201750
Abstract: The paper deals with the monitoring the utility properties of the Al-Si coating which is applied by means of the hot dip coating on the ultra-high strength sheet 22MnB5 (martensite steel alloyed by boron). These… read more here.
Keywords: adhesive joints; strength; strength adhesive; car body ... See more keywords
Analysis of Tool Geometry for the Stamping Process of Large-Size Car Body Components Using a 3D Optical Measurement System
Sign Up to like & getrecommendations! Published in 2021 at "Materials"
DOI: 10.3390/ma14247608
Abstract: The paper presents a method for checking the geometry of stamped car body parts using a 3D optical measurement system. The analysis focuses on the first forming operation due to the deformation and material flow… read more here.
Keywords: using optical; analysis; geometry; car body ... See more keywords
Key Technologies of Physical and Virtual Test Rig for Railway Freight Car body
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15155439
Abstract: On the one hand, considering that the traditional fatigue method of railway freight cars is based on damage as a parameter, the influence of stress waveform cannot be considered. On the other hand, physical experiments… read more here.
Keywords: car body; freight; test; car ... See more keywords