Richard J. Linn

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Healthcare facilities, especially hospitals, are under financial pressure to control cost. One element that affects cost significantly is staff. We have developed a tool that integrates a simulation model and an integer linear program (ILP). The simulation model establishes the staffing requirements for each period, and the ILP produces an optimal calendar(More)
Healthcare facilities, especially hospitals, are under financial pressure to control cost. One element that affects cost significantly is staff. We have developed a tool that integrates a simulation model and an integer linear program (ILP). The simulation model establishes the staffing requirements for each period, and the ILP produces an optimal calendar(More)
Transporter is a critical part of Supply Chain integration. An international transporter process involves multiple ground pickup and delivery operations, package sorting and palletizing, airport operations and air transport. This paper describes a successful two-machine implementation of a distributed simulation model for an international transportation(More)
Automated Storage/Retrieval Systems (AS/RS's) automatically perform storage and retrieval functions in a manufacturing facility. They have assured themselves a place of value in the factory of the present, as well as in the factory of the future. This paper presents an evaluation of different control algorithms of a single-aisle single-stacker AS/RS, using(More)
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