A robustness information and visualization model for time and space assembly line balancing under uncertain demand

Manuel Chica, Óscar Cordón, Sergio Damas and Joaquín Bautista

International Journal of Production Economics, 2013, vol. 145, issue 2, 761-772

Abstract: The time and space assembly line balancing problem (TSALBP) is a realistic multiobjective version of assembly line balancing industrial problems involving the joint optimization of conflicting criteria such as the cycle time, the number of stations, and the area of these stations. However, the existing problem formulation does not consider the industrial scenario where the demand of a set of mixed products is variable and uncertain. In this work we propose to introduce novel robustness functions to measure how robust the line configuration is when the production plans demand changes. These functions are based on the stations overload under future demand conditions and are used as additional a posteriori information for the non-dominated solutions found by any multiobjective optimization method. The values of the robustness functions are put together with a novel graphical representation to form a generic model that aims to offer a better picture of the robustness of the set of Pareto-optimal solutions.

Keywords: Robust optimization; Visualization; Time and space assembly line balancing; Mixed products; Uncertain demand; Problem instance generator (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:proeco:v:145:y:2013:i:2:p:761-772

DOI: 10.1016/j.ijpe.2013.05.030

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