The Random Decrement technique which takes a time history and develops from it a step response function was presented at a previous IAVSD Conference. In practice it has been found that non-stationary behaviour, particularly conicity changes, mean that the results obtained are virtually useless unless the railway vehicle on test has very special properties. To overcome this a technique of partitioning the data has been developed. The technique then draws together consistent responses in order that high quality results can be produced. In this way the measured kinematic behaviour of the railway vehicle with profiled wheels can be described in terms of frequency and damping. This enables comparison with theoretical predictions. The paper describes the theoretical method, the theoretical validation and experimental results which have been produced using this technique.
MEASUREMENT OF RAILWAY VEHICLE KINEMATIC BEHAVIOUR USING THE RANDOM DECREMENT TECHNIQUE
Vehicle System Dynamics ; 15 , sup1 ; 537-550
01.01.1986
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
Measurement of Railway Vehicle Kinematic Behaviour Using the Random Decrement Technique
Taylor & Francis Verlag | 1985
|Statistical theory of the Vector Random Decrement technique
Online Contents | 1999
|Some Aspects of Using the Random Decrement Technique for Nonlinear Systems
British Library Conference Proceedings | 2020
|