Abstract: A new approach to the
probabilistic vehicle dynamics is presented based on the
representation of road-surface roughness in terms of the
filtered Poisson process. The dynamic response of a vehicle
running on the rugged road is simulated by use of a finite
element frame model subjected the linear, decoupled equation of
motion through complex eigenvalue analysis. The numerical
example show that the simulation based on the filtered Poisson
process and fast Fourier transform enables us to evaluate the
power spectrum, time-history and number of occurrence of the
dynamic response, by passing the evaluation of the power
spectrum of the surface roughness itself.
Key words:
Vehicle Dynamic Simulation
Manuscript received on March
20, 1993
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