Performance models in the logging truck transportation system design environment
by Robert A. Douglas, Robert McCormack
International Journal of Heavy Vehicle Systems (IJHVS), Vol. 1, No. 4, 1994

Abstract: The importance of the forest sector to Canada's economic health is pointed out, and it is shown that the transportation of raw forest products to mills is a vital aspect of industrial forestry. Given that a very high proportion of that transportation is accomplished by trucks, the modelling of truck performance is examined. The national logging truck ''fleet'' is very different from its conventional counterpart: vehicles are extremely heavy, mass/power ratios are extremely variable, and traffic volumes are very low. This unique design environment must be taken into account in any modelling of logging truck performance. Three levels of modelling are identified, ranging from the Level 1 models where robotic truck behaviour is predicted, to Level 3 models where whole fleet behaviour is predicted. Attention is fastened on the Level 1 models: their general functioning is laid out, and their operation criticised. It is concluded that Level 1 modelling has developed about as far as it can, and that attention should now shift to Level 2 modelling, where the influence of the vehicle operator is brought in.

Online publication date: Tue, 18-Jun-2013

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