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Modeling and Validation of a Roll Simulator for Recreational Off-Highway Vehicles

[+] Author Affiliations
Scott B. Zagorski, Dennis A. Guenther

The Ohio State University, Columbus, OH

Gary J. Heydinger, Anmol S. Sidhu, Dale A. Andreatta

SEA, Ltd., Columbus, OH

Paper No. IMECE2011-62603, pp. 579-591; 13 pages
doi:10.1115/IMECE2011-62603
From:
  • ASME 2011 International Mechanical Engineering Congress and Exposition
  • Volume 9: Transportation Systems; Safety Engineering, Risk Analysis and Reliability Methods; Applied Stochastic Optimization, Uncertainty and Probability
  • Denver, Colorado, USA, November 11–17, 2011
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5495-2
  • Copyright © 2011 by ASME

abstract

A model of a roll simulator for recreational off-highway vehicles (ROV) is presented. Models of each sub-system are described including the equations of motion, the braking, hydraulic and roll motor systems. Derivation of the equations of motion, obtained using Lagrange’s energy equation, demonstrates that they have three degrees-of-freedom (two dynamic, one static) and are coupled and highly non-linear. Results from the hydraulic sub-system illustrated that the amount of entrapped air in the system can significantly influence the response. Comparisons of the model with experimental data from the actual roll simulator showed close agreement. The greatest difference was with motor pressure. The acceleration levels and roll motions for both the model and experimental data showed excellent correlation.

Copyright © 2011 by ASME
Topics: Modeling , Vehicles , Highways

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