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Implementation of Low Computational Cost Nonlinear Formulation for Multibody Railroad Vehicle Systems

[+] Author Affiliations
Graham G. Sanborn, Ahmed A. Shabana

University of Illinois at Chicago, Chicago, IL

Jason R. Heineman

Ensco, Inc., Springfield, VA

Paper No. DETC2007-34525, pp. 1857-1866; 10 pages
  • ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5: 6th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B, and C
  • Las Vegas, Nevada, USA, September 4–7, 2007
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4806-X | eISBN: 0-7918-3806-4
  • Copyright © 2007 by ASME


In a companion paper [1], a low computational cost nonlinear formulation was presented to for the analysis of the forces of long trains. The formulation allows systematically changing the number of degrees of freedom of each rail car and includes the force inputs that are typically found in railroad applications. In this paper, the implementation of this nonlinear formulation is described. A computer interface is also developed in order to allow the user to operate a virtual train model in real time and also change the model parameters and car connectivity conditions. Numerical results are presented in order to demonstrate the use of the formulation proposed and its computer implementation.

Copyright © 2007 by ASME
Topics: Vehicles , Railroads



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