Pantograph-Catenary
Pantograph catenary dynamic optimisation based on advanced multibody and finite element co-simulation tools
... 1. INTRODUCTION The railway system performance was historically improved by inline tests. Considering the constant traffic increase and the need to cut costs, new assessment methods have to be found to propose higher ...
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Introduction of variability into pantograph-catenary dynamic simulations
... a catenary section Although the pantograph-catenary system is non-linear due to the one-sided contact laws and drop- per slackening, Semi-analytical models based on assumed sine motion of the wires ...
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Introduction of variability in pantograph-catenary dynamic simulations
... the pantograph catenary system, particularly since inline tests become conflicting with commercial traffic ...of pantograph/catenary interaction named OSCAR © [1] ...
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Introduction of variability into pantograph–catenary dynamic simulations
... Currently, pantograph-catenary dynamic simulations are mainly based on deterministic ...between catenary and pantograph depends on many key parameters that are not always quantified precisely ...
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Pantograph catenary dynamic optimisation based on advanced multibody and finite element co-simulation tools
... - Pantograph key components for multibody modelling Mechanical and structural parameters for dynamic representation and flexible bodies modelling were fitted from laboratory measurements and a full experimental ...
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Sensitivity analysis of catenary geometry on current collection quality
... 6 Conclusions All the variabilities of the catenary have been quantified and taken into account. The global sensitivity analysis was necessary because the combined effects of different parameters are non ...
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Damping characterization of a high speed train catenary
... ABSTRACT: Catenary damping has long been a tuning parameter in pantograph-catenary dynamic interaction ...real catenary and damping identification shows a very low level of damping for a large ...
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Statistical identification of geometric parameters for high speed train catenary
... 1 Introduction Development of numerical models is a main focus of current research in pantograph-catenary interaction. As shown in the benchmark led by S. Bruni [1], software modeling this interaction are ...
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Fatigue analysis of catenary contact wires for high speed trains
... the pantograph-catenary dynamic interaction simulation software developed at SNCF and based on Finite Elements (FE) method ...the catenary using 1D finite element and to deduce the zone of maximum ...
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Numerical solutions of generalized fractional pantograph equations with variable coefficients using shifted Chebyshev polynomials
... the pantograph equation or the gen- eralized pantograph equation can explaining various physical ...solving pantograph differential equations or generalized ...
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Design and Prototyping of New 4, 5 and 6 Degrees of Freedom Parallel Manipulators Based on the Copying Properties of the Pantograph Linkage
... distance to the vertical axis of the pantograph between 50 mm and 300 mm, - The angle between the links A i D i et D i C i of the pantograph linkage is defined from 30° to 150°. The workspace of the ...
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The catenary degree of Krull monoids I
... its catenary degree equals ...the catenary degree, and that the catenary degree depends only on the class group (under the assumption that every class contains a prime ...the catenary degree ...
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Dynamic stress prediction in catenary wires for fatigue analysis
... 1 INTRODUCTION Today, the main criterion used to determine the Contact Wire (CW) replacement is its wear. On high speed lines, due to their specific geometries, the wear ratio is very small compared to clas- sical lines ...
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