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Información tecnológica

On-line version ISSN 0718-0764

Abstract

COCA, Germán A; CASTRILLON, Omar D  and  RUIZ, Santiago. MULTIOBJECTIVE PROGRAMMING IN A MANUFACTURING SYSTEM OF THE JOB SHOP TYPE. Inf. tecnol. [online]. 2013, vol.24, n.6, pp.79-92. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642013000600011.

In this paper, the performance of the variables: makespan time, defective fraction due to operator fatigue and direct labor cost, in a job shop manufacturing system is presented. Two methods are compared; the first one blends elements from VEGA and MOGA algorithms (V & M), while the second one corresponds to a weighted sums method (WSM). Applying these methodologies, it was found that the method V & M has a better performance than the WSM. Comparing he variable makespan time (in hours) the first is better by 7.0 %; comparing the variable makespan time (in weeks) by 6.7 %; and comparing the variable defective fraction by 1.4 %. Regarding the variable labor costs, both methods have the same performance.

Keywords : multiobjective; genetic algorithms; moga; job shop; makespan time.

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