The validation of mathematical models of rail vehicle dynamics using test data poses a number of difficult problems, which are addressed in this report. Previous attempts to validate rail vehicle models are reviewed critically, and experience gained in validating dynamic models of aircraft and marine vehicles using systems identification methods is then applied to the formulation of a general procedure for validating rail vehicle dynamic models. The procedure is outlined, step by step, for application with existing test data and for use as part of a new model validation test program. An example of the application of the initial stages of the procedure is demonstrated using data from the Perturbed Track Test (PTT) at Pueblo to validate a simple linear model of the forced vertical dynamics of a six-axle locomotive. Recommendations are offered for the conduct of future model validation efforts. (Jensen)
Rail vehicle dynamics model validation
Gueltigkeit dynamischer Modelle fuer das Verhalten von Schienenfahrzeugen
US Government Reports ; Aug ; 1-42
1981
42 Seiten
Report
Englisch
Rail Vehicle Dynamics Model Validation
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