Continuous Casting Scheduling with Constraint Programming

Gay, Steven;Schaus, Pierre;De Smedt, Vivian
(2014) International Conference on Principles and Practice of Constraint Programming (CP2014) — Location: Lyon, France

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Authors
  • Gay, StevenUCLouvain
    Author
  • Schaus, Pierreorcid-logoUCLouvain
    Author
  • De Smedt, VivianPSI Metals
    Collaborator
Abstract
Although the Steel Mill Slab problem (prob 38 of CSPLib) has already been studied by the CP community, this approach is unfor- tunately not used anymore by steel producers since last century. Contin- uous casting is preferred instead, allowing higher throughput and better steel quality. This paper presents a CP model related to scheduling of op- erations for steel making with continuous casting. Activities considered range from the extraction of iron in the furnace to its casting in con- tinuous casters. We describe the problem, detail a CP scheduling model that is finally used to solve real-life instances of some of the PSI Metals’ customers.
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Gay, S., & Schaus, P. (2014). Continuous Casting Scheduling with Constraint Programming. International Conference on Principles and Practice of Constraint Programming (CP2014), Lyon, France. https://hdl.handle.net/2078.5/230135