Continuous Dynamic Models for Traffic Indicesby Neil W. Polhemus, Asst. Prof. of Civ. Engrg.; Princeton Univ., Princeton, N.J.,
Serial Information: Transportation Engineering Journal of ASCE, 1979, Vol. 105, Issue 6, Pg. 639-650
Document Type: Journal Paper
The dynamic behavior of traffic indices in continuous time is modeled by a linear differential equation with stochastic forcing function. The general model postulated is that of a continuous stationary autoregressive moving average process. Estimates of the parameters in the continuous model are obtained from their correspondence to parameters in a discrete time model fitted to uniformly sampled traffic data. The technique is demonstrated on a time series of aircraft concentration in a low altitude air traffic control sector.
Subject Headings: Traffic models | Dynamic models | Air traffic control | Data processing | Autoregressive models | Parameters (statistics) | Stationary processes | Differential equations
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