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A deterministic simulation of logging truck performance

University of British Columbia

A deterministic simulation model is developed and programmed for a digital computer to represent the movement of logging trucks for specified alignment (actual or proposed) and truck-parameters. The force accelerating the vehicle is taken as the difference between transmission output wheel force and the resistance force at steady-state conditions at the instantaneous vehicle speed. The accelerating force is taken as constant over a small incremented distance and results in a vehicle speed with new loading conditions. The process is repeated through each gear, and time-distance and time-speed data are obtained. ' The technique described can be used to build up a distance travelled-time consumption history for a vehicle on a defined route. Such prediction enables a meaningful evaluation to be made of the time of a specified trip. Such an approach produces results acceptably close to observed data.

Text

2010-01-30

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http://hdl.handle.net/2429/19455

Forestry

University of British Columbia

Graduate