Opportunities and challenges for decision support systems in log truck scheduling and dispatching Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/zs25xc371

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  • The transportation of logs from the forest to the mill accounts for 25-50% of the delivered cost of wood, depending mostly on haul distance. Decision support systems (DSS) for log truck scheduling and dispatching have the potential to reduce transportation costs by optimally constructing routes, also known as schedules for each truck in the fleet. The benefits that are typically achieved from DSS for log truck scheduling and dispatching include increases in capacity through reductions in the total vehicle miles traveled and the number of trucks needed to service all customer loads. Research has shown that the cost reductions expected from implementation could be five percent or more depending on the efficiency of the existing transportation system and the spatial arrangement of log sources and destinations. There have been implementations of DSS for log truck scheduling and dispatching in the United States and elsewhere in the past, but the adoption of these systems has been slow. Most of the research involving DSS for log truck scheduling and dispatching focuses on the development of better solution methods for the log truck scheduling problem (LTSP); however, less attention has been paid to identifying the challenges that are slowing the adoption of DSS. This project aims to identify the unique characteristics of the forest industry related to log transportation and management, evaluate the existing technologies for log truck scheduling and dispatching, assess the availability of DSS for log truck scheduling and dispatching, and determine the challenges and opportunities of implementing DSS for log truck scheduling and dispatching in the Pacific Northwest.
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