Yixiao Huang

Planning the City Operations of a Parcel Express Company

  • Yixiao Huang
  • Martin Savelsbergh
  • Haotian Wu
    • Categories Applications - OR and Management Sciences, Scheduling, Transportation Tags , , , , ,

    We introduce an interesting and challenging routing and scheduling problem arising in the city operations of SF Express, a large package express carrier in China. Vehicles execute multiple trips during a planning horizon spanning multiple shifts, where a trip can involve deliveries only, pickups only, or deliveries followed by pickups. Complicating factors include split deliveries … Read more

    Service Network Design for Same-Day Delivery with Hub Capacity Constraints

  • Haotian Wu
  • Ian Herszterg
  • Martin Savelsbergh
  • Yixiao Huang
    • Categories Applications - OR and Management Sciences, Transportation Tags , , ,

    We study a new service network design problem for an urban same-day delivery system in which the number of vehicles that can simultaneously load or unload at a hub is limited. Due to the presence of both time constraints for the commodities and capacity constraints at the hubs, it is no longer guaranteed that a … Read more