Generación de opciones de juegos de cilindros en talleres de laminación de perfiles // Options generation of rolling devices complexes in lamination workshops
Abstract
A partir del análisis sistémico de la función de planeación de la producción en fábricas siderúrgicas, se formuló el modelo matemático conceptual de la tarea de secuenciación de producción de los talleres de laminación de perfiles ligeros, en la industria siderúrgica. La muy conocida tarea del agente viajero el modelo obtenido constituye un caso particular de la tarea formulada. Se elaboró esquema de descomposición basado en el método Aproximante-Combinatorio en sub-modelos de generación de opciones de selección de juegos de cilindros de laminación para su utilización en la construcción de gráficos de intercambio de cilindros, asociados a la secuenciación de perfiles, y en la construcción misma de estos gráficos. Se solucionó la primera parte del esquema de descomposición mediante el método de Selección de Propuestas. Se describen brevemente los métodos utilizados y se brindan resultados de la solución experimental de la tarea enfrentada.
Palabras claves: toma de decisiones, sistemas de ingeniería, descomposición de tareas de optimización, planeación de la producción.
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Abstract
Starting from the systemic analysis of the production planning function in steel factories, the conceptual mathematical model is formulated of the scheduling of lamination workshops in the Steel making industry. From the obtained model, the known Travelling Salesman Problem constitute a particular case. Based on the Approximation-Combinatorial method, this model breaks down into sub-models of selection of rolling device complexes for being used during the lamination and the sequencing of complexes interchange in the production process and the order of sequencing of these complexes. The first part of the decomposed problem has been solved using the Selection of Proposals method. Both used methods are being shortly described and experimental results obtained are exposed.
Key words: decisions making, engineering systems, decomposition of optimization tasks, planning of the steel making production.
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