ARTÍCULOS An approach to industrial facility layout evaluation using a performance index RESUMENUna amplia literatura científica ha abordado el problema de la distribución espacial de plantas industriales completamente nuevas. Sin embargo, no se ha prestado suficiente atención al problema de la redistribución de instalaciones ya existentes. Las escasas investigaciones que evalúan el layout, en su mayoría, aplican métodos que solo tienen sentido si se comparan varias alternativas. En consecuencia, no son de utilidad para evaluar el desempeño del layout actual de una planta industrial y no permiten diagnosticar la necesidad de una redistribución. Frente a esto, este trabajo presenta un indicador que permite evaluar el desempeño de una distribución espacial existente, identificando su posicionamiento entre el escenario ideal y el anti-ideal. De tal forma, permite sustentar la pertinencia o irrelevancia de una redistribución. El indicador fue aplicado en el caso práctico de una empresa del sector metalmecánico de la ciudad de Guayaquil.PALABRAS CLAVE | Índice de desempeño del layout, distribución en planta, evaluación de la distribución en planta, redistribución, empresa metalmecánica. RESUMO Uma ampla literatura científica tem abordado o problema da distribuição espacial de plantas industriais totalmente novas. No entanto, não se tem prestado atenção suficiente ao problema da redistribuição de instalações já existentes. Em sua maioria, as poucas investigações que avaliam o layout aplicam métodos que só fazem sentido quando se comparam várias alternativas. Consequentemente, não são úteis para analisar o desempenho do layout atual de uma planta industrial e não permitem diagnosticar a necessidade de uma redistribuição. Levando isso em consideração, este trabalho apresenta um indicador que permite dimensionar o desempenho de uma distribuição espacial existente, identificando seu posicionamento entre o cenário ideal e o não ideal. Dessa maneira, permite sustentar a pertinência ou a irrelevância de uma redistribuição. O indicador foi aplicado ao caso prático de uma empresa do setor metal-mecânico da cidade de Guayaquil. PALAVRAS-CHAVE | Índice de desempenho do layout, distribuição em planta, avaliação da distribuição em planta, redistribuição, empresa metal-mecânica. ABSTRACT A good deal of literature dealing with the facility layout problem has focused on greenfield layout design. However, little attention has been paid to the facility re-layout problem. Generally, methods applied to plant layout evaluation research, only make sense if several different layout alternatives are compared. Consequently, these methods tend to have limited value in evaluating existing plant layouts or in supporting the need for a re-layout. With this in mind, this work suggests an indicator that allows one to evaluate an existing plant's layout performance by identifying where it stands in relation to the ideal and the non-ideal scenarios. The application of this particular indicator can help justify the pertinence or irrelevance of facili...
The facility layout design problem is significantly relevant within the business operations strategies framework and has emerged as an alternate strategy towards supply chain sustainability. However, its wide coverage in the scientific literature has focused mainly on the static planning approach and disregarded the dynamic approach, which is very useful in real-world applications. In this context, the present article offers a literature review of the dynamic facility layout problem (DFLP). First, a taxonomy of the reviewed papers is proposed based on the problem formulation current trends (related to the problem type, planning phase, planning approach, number of facilities, number of floors, number of departments, space consideration, department shape, department dimensions, department area, and materials handling configuration); the mathematical modeling approach (regarding the type of model, type of objective function, type of constraints, nature of market demand, type of data, and distance metric), and the considered solution approach. Then, the extent to which recent research into DFLP has contributed to supply chain sustainability by addressing its three performance dimensions (economic, environmental, social) is described. Finally, some future research guidelines are provided.
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