Journal
VEHICLE SYSTEM DYNAMICS
Volume 44, Issue 8, Pages 615-630Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00423110500373721
Keywords
flexible multibody dynamics; absolute nodal coordinates; sliding joint; dynamic stress; high-speed train; catenary; pantograph; overhead line
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The dynamic interaction between the catenary and the pantographs of high-speed trains is a very important factor that affects the stable electric power supply. In order to design a reliable current collection system, a multibody simulation model can provide an efficient and economical method to analyze the dynamic behavior of the catenary and pantograph. In this article, a dynamic analysis method for a pantograph-catenary system for a high-speed train is presented, employing absolute nodal coordinates and rigid body reference coordinates. The highly flexible catenary is modeled using a nonlinear continuous beam element, which is based on an absolute nodal coordinate formulation. The pantograph is modeled as a rigid multibody system. The analysis results are compared with experimental data obtained from a running high-speed train. In addition, using a derived system equation of motion, the calculation method for the dynamic stress in the catenary conductor is presented. This study may have significance in providing an example that a structural and multibody dynamics model can be unified into one numerical system.
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