Abstract
The principal excitation to a vehicle's chassis system is the road profile. Simulating a vehicle traversing long roads is impractical and a method to produce short roads with given characteristics must be developed. An autoregressive model of non-stationary road profile data has been developed previously. This work examines the residual process of such an ARIMA model. Statistical techniques are developed and used to examine the distribution of the residual process and the preliminary results are demonstrated. Implications of this work to characterizing road profiles and future studies are discussed.
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