Month: March 2012

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MILP model for solving the supply chain operations scheduling problem with alternative operations considering delay penalization: a case study of a mass customization company

21/03/2012 jpgarcia 0

http://www.usc.edu/dept/ise/caie/Checked%20Papers%20%5Bruhi%2012th%20sept%5D/word%20format%20papers/REGISTRATION%20PAID%20PAPERS%20FOR%20PROCEEDINGS/pdf/94%2012%20MILP%20MODEL%20FOR%20SOLVING%20THE%20SUPPLY%20CHAIN%20OPERATIONS%20SCHEDULING%20PROBLEM%20WITH%20ALTERNATIVE%20OPERATIONS%20CONSIDERING%20DEL.pdf This paper addresses a mixed integer linear programming model for operations lot-sizing and scheduling (assignment and sequencing) in the supply network of a European company which assembles customized machine tools through several geographically distributed factories and delivers them to the customers’ factory. The results from the model propose a schedule to purchase raw material […]

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An approach to the real circumstances of the Car Sequencing Problem

21/03/2012 jpgarcia 0

This paper addresses the problem of sequencing for the mixed-model assembly lines in the car industry. In the real car productive systems, the sequence is defined by the content and the extraction order of a subset of units, taken from a buffer at the beginning of the assembly line, which is dynamically refilled. The problem […]

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A computational tool for performing production and warehouse budgets in an environment with uncertainty and seasonality

20/03/2012 jpgarcia 0

http://samm.univ-paris1.fr/10th-INTERNATIONAL-CONFERENCE-ON In this work is it proposed a computational tool for performing production and warehouse budgets in an environment with uncertainty and seasonality. The problem is framed in a multi-product, multi-period and a limited production and storage capacity. It is intended that the generated budget is robust to fluctuations and seasonality of demand subject to […]

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La Matriz de Operaciones y Materiales y la Matriz de Operaciones y Recursos un nuevo enfoque para resolver el problema GMOP basado en el concepto de stroke.

07/03/2012 jpgarcia 0

LA MATRIZ DE OPERACIONES Y MATERIALES Y LA MATRIZ DE OPERACIONES Y RECURSOS, UN NUEVO ENFOQUE PARA RESOLVER EL PROBLEMA GMOP BASADO EN EL CONCEPTO DEL STROKE Julien Maheut, José P. García-Sabater (pdf) Publicado en DYO N0 45 RESUMEN La gestión de materiales de productos multi-nivel usa desde los años 1970 la metodología denominada MRP. La […]

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La sobrecapacidad instalada en el sector del automóvil.

01/03/2012 jpgarcia 0

Por pura lógica económica hay sectores económicos que siempre tienen que estar sobre saturados y otros deben tener capacidad sobrante. Por ejemplo al diseñar un almacén siempre es más lógico diseñarlo con al menos un 30% más de la capacidad requerida, puesto que las ampliaciones son más caras que el sobrecoste en el que incurres. […]