Simple heuristics for the assembly line worker assignment and balancing problem

Simple heuristics for the assembly line worker assignment and balancing problem

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Article ID: iaor20123917
Volume: 18
Issue: 3
Start Page Number: 505
End Page Number: 524
Publication Date: Jun 2012
Journal: Journal of Heuristics
Authors: , , ,
Keywords: heuristics
Abstract:

We propose simple heuristics for the assembly line worker assignment and balancing problem. This problem typically occurs in assembly lines in sheltered work centers for the disabled. Different from the well‐known simple assembly line balancing problem, the task execution times vary according to the assigned worker. We develop a constructive heuristic framework based on task and worker priority rules defining the order in which the tasks and workers should be assigned to the workstations. We present a number of such rules and compare their performance across three possible uses: as a stand‐alone method, as an initial solution generator for meta‐heuristics, and as a decoder for a hybrid genetic algorithm. Our results show that the heuristics are fast, they obtain good results as a stand‐alone method and are efficient when used as a initial solution generator or as a solution decoder within more elaborate approaches.

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