Stability and cross-wind response of an articulated vehicle with roll freedom.

Author(s)
Moncarz, H.T. Barlow, J.B. & Hawks, R.J.
Year
Abstract

A linearized mathematical model was developed to simulate the lateral dynamics of a simply-articulated vehicle in the five degrees-of-freedom of tractor lateral velocity and turn-rate. Aerodynamic forces due to cross-winds were also included in the model. Computer programs were developed to determine root loci for fifty-seven parameters in the model and to calculate the dynamic response of the vehicle to cross-winds. Using two sets of data car-trailer combinations as well as tractor-trailer combinations were studied. In the car-trailer case, the trailer roll parameters were found to have a significant effect on stability. In analysing the gust response, it was found that the response was larger with the roll freedom included.

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Publication

Library number
B 15113 fo / 91 /
Source

In Advances in road vehicle aerodynamics 1973, edited by H.S. Stephens, Cranfield, BHRA Fluid Engineering, 1973, p. 101-126, fig., graph., tab., ref.

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