MULTIBODY SIMULATIONS OF TROLLEYBUS VERTICAL DYNAMICS AND INFLUENCE OF TIRE INFLATION

Abstract eng:
Vertical dynamic properties of the ŠKODA 21 Tr low-floor trolleybus were investigated on an artificial test track when driving with a real vehicle and when simulating driving with a multibody model along a virtual test track. Driving along the artificial test track was aimed at determining vertical dynamic properties of the real trolleybus and on the basis of them at verifying computer trolleybus models. Time histories and extreme values of the air springs relative deflections are the monitored quantities. The influences of the determined tire radial characteristics at varied tire inflation are evaluated.

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