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  • Impact of asset usage preferences on parallel replacement decisions

    Creator:
    Wagner, Tristan John
    Abstract:
    Data from a state department of transportation fleet shows that the usage of a typical asset decreases as it ages. One possible explanation for decreasing asset usage with age is operator preference for using the newest available asset. In this research the long-term cost and replacement implications of such a...
    Resource Type:
    Masters Thesis
    Full Text:
    equipment that was either too costly to retain or superseded by new technology. The area of replacement

  • A methodology to solve large-scale group fleet replacement problems

    Creator:
    Somboonwiwat, Tuanjai
    Abstract:
    This research addresses the large-scale group fleet replacement problem with multiple vehicle types of multiple units, under budget and demand constraints. Past research in group fleet replacement is limited and has focused on one vehicle type, with multiples units and constraints. Many studies in fleet replacement have also dealt with...
    Resource Type:
    Dissertation
    Full Text:
    literature generally presents the single replacement problem with one defender (one piece of equipment

  • Equipment replacement prioritization measures : simulation and testing for a vehicle fleet

    Creator:
    Kriett, Phillip Oliver
    Abstract:
    Oregon Department of Transportation (ODOT) Fleet Services manages a fleet that in 2008 included approximately 5,000 pieces of active equipment worth $340–$390 million. Every biennium, a fixed budget is available to replace a certain amount of this equipment. This research evaluated various measures for establishing equipment replacement priorities. A model...
    Resource Type:
    Masters Thesis
    Full Text:
    developed to simulate the operation of a single equipment class over time, including equipment replacement