fleet sizing

Adjustable robust optimization for fleet sizing problem in closed-loop supply chains with simultaneous delivery and pickup

  • Ali Borumand
  • Ali Nookabadi
    • Categories (Mixed) Integer Linear Programming, Meta Heuristics, Robust Optimization Tags , , , ,

    The Fleet Sizing Problem (FSP) stands as a critical challenge within the realm of logistics and supply chain management, particularly in the context of Closed-Loop Supply Chains (CLSC). The significance of addressing the FSP lies in its direct impact on operational costs, resource utilization, and environmental sustainability. By effectively optimizing fleet size, organizations can streamline … Read more

    Stochastic Programming Models for a Fleet Sizing and Appointment Scheduling Problem with Random Service and Travel Times

  • Shutian Li
  • Karmel S. Shehadeh
  • Man Yiu Tsang
    • Categories Applications - OR and Management Sciences, Scheduling, Stochastic Programming Tags , , , ,

    We propose a new stochastic mixed-integer linear programming model for a home service fleet sizing and appointment scheduling problem (HFASP) with random service and travel times. Specifically, given a set of providers and a set of geographically distributed customers within a service region, our model solves the following decision problems simultaneously: (i) a fleet sizing … Read more

    Fleet Sizing and Service Region Partitioning for Same-Day Delivery Systems

  • Dipayan Banerjee
  • Alan L. Erera
  • Alejandro Toriello
    • Categories Applications - OR and Management Sciences, Transportation Tags , , ,

    We study the linked tactical design problems of fleet sizing and partitioning a service region into vehicle routing zones for same-day delivery (SDD) systems. Existing SDD studies focus primarily on operational dispatch problems and do not consider system design questions. Prior work on SDD system design has not considered the fleet sizing decision when a … Read more

    Fleet Sizing and Empty Freight Car Allocation

  • Philipp Hungerländer
  • Sebastian Steininger
    • Categories (Mixed) Integer Linear Programming, Applications - OR and Management Sciences, Production and Logistics Tags , , ,

    Empty freight car allocation problems as well as eet sizing problems depict highly important topics in the eld of railway cargo optimization. Fleet sizing is mainly used in order to nd the minimal number of freight cars ( xed costs) needed to operate the transportation network successfully (e.g. satisfy customer demands). After a consignment is transported … Read more