Recent Submissions

  • A variable neighborhood search algorithm to minimize the total weighted tardiness on a batch processing machine 

    López Jiménez, Juan Diego; Vélez Gallego, Mario César; López Jiménez, Juan Diego; Vélez Gallego, Mario César (Revista Ingeniería Industrial; Revista Ingeniería Industrial, 2011-08-11)
    This paper presents the results of a research project conducted to solve a production scheduling problem observed in a system in which meeting customer due dates is the primary objective -- Each job to be scheduled is ...
  • Makespan minimization in a job shop with a BPM using simulated annealing 

    Rojas Santiago, Miguel; Vélez Gallego, Mario César; Damodaran, Purushothaman; Muthuswamy, Shanthi; Rojas Santiago, Miguel; Vélez Gallego, Mario César; Damodaran, Purushothaman; Muthuswamy, Shanthi (Springer London; Springer London, 2013-03-08)
    A scheduling problem commonly observed in the metal working industry has been studied in this research effort -- A job shop equipped with one batch processing machine (BPM) and several unit-capacity machines has been ...
  • The impact of supply chain decisions, using dynamic systems, of an aquatic garment manufacturing company 

    Peña Zapata, Gloria Elena; Pineda Toro, Mauricio; Escalante Ochoa, Daniel; Ramírez Echeverri, Sergio A.; Peña Zapata, Gloria Elena; Pineda Toro, Mauricio; Escalante Ochoa, Daniel; Ramírez Echeverri, Sergio A. (Revista Ingeniería Industrial; Revista Ingeniería Industrial, 2010-06)
    This article shows the supply chain model of the company Creaciones Nadar S.A. Thatmanufactures aquatic sports garments -- The chain links are the clients, the store, the warehousing, the internal and satellite plants and ...
  • Clasificación ABC Multicriterio: tipos de criterios y efectos en la asignación de pesos 

    Vélez Gallego, Mario César; Castro Urrego, Jaime Andrés; Castro Zuluaga, Carlos Alberto; Vélez Gallego, Mario César; Castro Urrego, Jaime Andrés; Castro Zuluaga, Carlos Alberto (2011-11-28)
    ABC classification is traditionally performed in companies in order to define and implement an inventory control policy for all the products within the same category -- The classification of products into categories is ...
  • Minimizing makespan in a two-machine no-wait flow shop with batch processing machines 

    Muthuswamy, Shanthi; Vélez Gallego, Mario César; Rojas Santiago, Miguel; Maya Toro, Jairo; Muthuswamy, Shanthi; Vélez Gallego, Mario César; Rojas Santiago, Miguel; Maya Toro, Jairo (Springer-Verlag; Springer-Verlag, 2012-11-01)
    Given a set of jobs and two batch processing machines (BPMs) arranged in a flow shop environment,the objective is to batch the jobs and sequence the batches such that the makespan is minimized. The job sizes, ready times, ...
  • Benchmarking about Lean Manufacturing in the textile sector in Medellin 

    Arrieta Posada, Juan Gregorio; Romano Martínez, María Jimena; Botero Herrera, Victoria Eugenia (Journal of Economics, Finance and Administrative Science; Journal of Economics, Finance and Administrative Science, 2010-06)
    This document shows the results of a benchmarking study among different firms from the clothing industry that seeks to evaluate their degree of implementation in Lean Manufacturing during their respective productive processes ...
  • Metaheurísticos: una alternativa para la solución de problemas combinatorios en Administración de Operaciones 

    Vélez, Mario César; Montoya, José Alejandro (Revista EIA; Revista EIA, 2007-12)
    The scarce diffusion given to the newest techniques for solving complex operations management problems has as a direct consequence that companies lose opportunities to operate at lower costs and higher efficiency -- The ...
  • Games and practical exercises as support to the interactive courses for the Operations and Logistics Management area in the Production Engineering Pregraduated Program of the EAFIT University 

    Rodríguez, Carlos A.; Ramírez, Sergio A. (Latin American and Caribbean Journal of Engineering Education; Latin American and Caribbean Journal of Engineering Education, 2010-11-16)
    The following paper introduces the way on how play different games played in the subjects studied in engineering -- These games are a complement to the theory learnt in class and also facilitate students’ learning process. ...
  • Analysis of chaotic behaviour in supply chain variables 

    Peña Zapata, Gloria Elena; Ramírez Echeverri, Sergio Augusto (Journal of Economics, Finance and Administrative Science; Journal of Economics, Finance and Administrative Science, 2011-12)
    In this article we develop a supply chain model of four levels through the utilization of system dynamics with Ithink® and Mathlab® softwares to analyze data -- The supply chain is studied from the chaos theory perspective, ...
  • Allocation of intermediate buffer storage capacities in a production line 

    Vélez Gallego, Mario César; Jaramillo Jiménez, Jhull B. (2013-07-24)
    In 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 ...
  • Optimización de parámetros y de valores de inicio para el modelo de Holt basado en señales de rastreo 

    Castro Zuluaga, Carlos Alberto; Uribe Cadavid, Diana Cecilia (Revista EIA; Revista EIA, 2010-12)
    Time series models are quantitative techniques commonly used to forecast the behavior of variables -- These models include the exponential smoothing with trend or Holt model that requires the definition of the smoothing ...
  • Heurístico de simulación-optimización para la configuración de un sistema de estantería selectiva simple 

    Vélez Gallego, Mario César; Castro Zuluaga, Carlos Alberto; Valencia Ramírez, Diego Andrés (Ingeniare. Revista chilena de ingeniería; Ingeniare. Revista chilena de ingeniería, 2012)
    A discrete event simulation-optimization heuristic is presented for configuring a selective pallet rack system -- To the rack system under study pallets arrive dynamically over time to be stored for a given period of time ...
  • Aspects to consider for high quality administration of Corporate Distribution Centers (Centros de Distribución, CEDIS) 

    Arrieta Posada, Juan Gregorio (Journal of Economics, Finance and Administrative Science; Journal of Economics, Finance and Administrative Science, 2011-06)
    In this document we present different aspects that are necessary to perform an excellent administration and control of distribution centers that corporations may have -- If these ideas are implemented correctly in an ...
  • Design of a didactic guide for learning in teh area of operations and logistics with the beer game in the software iThink® 

    Peña, Gloria Elena; Rodríguez, Carlos A; Ramírez, Sergio (Latin American and Caribbean Journal of Engineering Education; Latin American and Caribbean Journal of Engineering Education, 2011)
    The systems dynamics has charged significant importance as tool of support to the educational processes for the learning --An example is the the Beer Game, which, through the use of the software iThink®, simulates a chain ...

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