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http://dx.doi.org/10.5050/KSNVN.2006.16.6.634

Dynamic Analysis of the Pantograph of a High-speed Electrical Train Considering Contact and Separation  

Lee, Ki-Su (전북대학교 기계공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.16, no.6, 2006 , pp. 634-642 More about this Journal
Abstract
For the analysis of dynamic contact between a catenary and a pantograph of high-speed electrical train, the numerical solution of the equations of motion of the vehicle pantograph and the catenary system subjected to the contact condition is obtained. The whole equations of motion of the catenary and the pantograph are simultaneously time integrated with the strict application of the contact condition. For the stability of the numerical solution, with the cubic spline interpolation of the catenary displacement, the velocity and acceleration constraints as well as the displacement constraint are imposed on the contact point. Especially it is shown that the Coriolis and centripetal accelerations are critical for the accuracy and stability of the computation.
Keywords
Contact; Pantograph; Cable; High-speed Electrical Train; Differential Algebraic Equation; Numerical Analysis; Multibody Dynamics;
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