Examinando por Materia "AXIOMAS"
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Ítem A Set Theory Formalization(2017) Calle-Saldarriaga, Alejandro; acalles@eafit.edu.coÍtem Allocation of intermediate buffer storage capacities in a production line(2013-07-24) Vélez Gallego, Mario César; Jaramillo Jiménez, Jhull B.; Universidad EAFIT. Departamento de Ingeniería de Producción; marvelez@eafit.edu.co; jjaram61@eafit.edu.co; Gestión de Producción y LogísticaIn this research proposal we consider a production line with random demand and subject to random failures at each workstation -- Every time a workstation fails, a corrective maintenance activity is triggered to repair the workstation -- In order to palliate the effect of the random failures in the performance of the system, intermediate buffers are placed in-between workstations -- An inventory holding cost that increases with the stage of the process is associated to each buffer -- The research objective in this work is to allocate capacity to each intermediate buffer in the line so that the average cost per time unit is minimized while the average service level is kept above a minimum value -- In this paper we assume that unsatisfied demand is lost and the service level is defined as the long term proportion of satisfied demand -- A greedy simulation–based heuristic is presented to find a feasible solution to the problem in a reasonable computational timeÍtem Una formalización del sistema de los números reales(Universidad EAFIT, 2017) Acevedo Acosta, Jorge Ohel; Echeverri Jurado, José Luis; Sicard Ramírez, Andrés