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Integrated Pulp and Paper Mill Planning and Scheduling
Maristela Oliveira dos Santos; B. Almada-LoboThis article describes a real-world production planning and scheduling problem occurring at an integrated pulp and paper mill (P&P) which manufactures paper for cardboard out of produced pulp. During the cooking of wood chips in the digester, two by-products are produced: the pulp itself (virgin fibers) and the waste stream known as black liquor. The former is then mixed with recycled fibers and processed in a ...
Infeasibility handling in genetic algorithm using nested domains for production...
Maristela Oliveira dos Santos; Sadao Massago; Bernardo Almada-LoboIn this paper we present a genetic algorithm with new components to tackle capacitated lot sizing and scheduling problems with sequence dependent setups that appear in a wide range of industries, from soft drink bottling to food manufacturing. Finding a feasible solution to highly constrained problems is often a very difficult task. Various strategies have been applied to deal with infeasible solutions througho...
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