Results 151 to 160 of about 1,461,299 (208)

Study on Laser Drilling of Micro-Holes Using a Breakthrough Detection Method. [PDF]

Materials (Basel)
Wang L, Rong Y, Xu L, Wu C, Xia K.
europepmc   +1 more source

Preliminary insight into the potential role of Leptin Receptor Polymorphisms in Type 2 Diabetes Risk: case-control study and bioinformatics analysis. [PDF]

J Diabetes Metab Disord
Sabeti Akbar-Abad M, Majidpour M, Keykha F, Maleki M, Piroozan Y, Saravani R, Zandhaghighi M, Shahriari H, Sargazi S.   +8 more
europepmc   +1 more source

Study on the effect of semi-active control for equivalent conicity

2007 IEEE International Conference on Robotics and Biomimetics (ROBIO), 2007
To improve ride comfort on train journeys, it is important to reduce the amplitude of lateral vibration acceleration. As a method for such a purpose, semi-active suspension has been proposed and substantially used. On the other hand, the longer distance of the train runs, the more severe wears are evident on wheel treads; an equivalent conicity becomes
Takayuki Shimomura
exaly   +4 more sources

Research and Verification on the Nonlinear Characteristics of Wheel/Rail Equivalent Conicity

Lecture Notes in Mechanical Engineering, 2020
This paper aims at the influence of nonlinear equivalent conicity with the same nominal equivalent conicity on EMU (Electric Multiple Units) motion attitude based on the wheel/rail nonlinear contact theory. Four worn wheels were considered in this paper, it was found that wheels with same normal equivalent conicity had significant differences on wheel ...
Ziqiang Xu, Xiaoqing Dong
exaly   +4 more sources

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Study on relationship between tread equivalent conicity and vibration of bogie for EMU

International Conference on Mechanical Design and Simulation (MDS 2022), 2022
As an important parameter of the vehicle, the relationship between the tread equivalent conicity and the vibration of bogie for EMU is very valuable and significant for research.
X. Liu
exaly   +3 more sources

The Comparative Analysis of Calculating the Equivalent Conicity Methods in Vehicles of Mechanical Engineering

Advanced Materials Research, 2013
The equivalent conicity is the key indicators in the vehicles and multi-body dynamics simulation, and also in the vehicle's performance evaluation or acceptance testing. But it does not take into account the nonlinear contact influence, different reduction algorithms cause that technological exchanges and the vehicle's performance evaluation results ...
Feng Tao Lin, Yue Ming Wang, Xiao Qing Dong   +2 more
exaly   +3 more sources

Estimation of the railway equivalent conicity under different contact adhesion levels and with no wheelset sensorization

Vehicle System Dynamics, 2022
The running stability of a railway vehicle, which is highly relevant for operational safety, strongly depends on the shapes of the profiles of wheel and rail, which change during the progress of wear.
I. Kaiser, S. Strano, M. Terzo, C. Tordela   +3 more
semanticscholar   +2 more sources

Optimisation of turnout rail profiles based on equivalent conicity

Vehicle System Dynamics, 2021
This paper presents a method for the optimisation of wheel–rail profiles, and this is based on the relationships between the equivalent conicity, RRD curve and rail profile slope.
Rong Chen, Zheng Gong, Yan Luo, Yao Qian, Jingmang Xu, Ping Wang, Chenyang Hu   +6 more
openaire   +2 more sources

Research on wheel–rail equivalent conicity prediction method based on random forest algorithm

JVC/Journal of Vibration and Control
The equivalent conicity, a core parameter for assessing wheel–rail interaction, plays a pivotal role in determining the stability and vibration characteristics of an EMU (Electric Multiple Unit).
Jing Zeng
exaly   +2 more sources

Equivalent conicity and its influence on rolling-stock operation

Proceedings of Petersburg Transport University, 2017
Objective: To identify the rolling-stock stability, force reduction, emerging in the process of wheel-rail interaction, the reduction of wheel thread and wheel flange wear, horizontal wear during high-speed running. To consider issues of wheel-rail interaction, that is the influence of a wheel pair equivalent conicity on rolling stock operation ...
Artem Kyselev, Lyudmila Blazhko, Andrey Romanov   +2 more
openaire   +2 more sources