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Title: Automated robotic assembly line design with unavailability periods and tool changes
Authors: Gültekin, Hakan
Tula, Adnan
Aktürk, M. Selim
Keywords: robotic assembly line
line balancing
automobile industry
mathematical programming
local search algorithm
Issue Date: 2016
Publisher: Inderscience Enterprises Ltd
Source: Gultekin, H., Tula, A., & Akturk, M. S. (2016). Automated robotic assembly line design with unavailability periods and tool changes. European Journal of Industrial Engineering, 10(4), 499-526.
Abstract: We focus on an assembly line design problem of a fully automated robotic spot-welding line. Different from existing studies, we take the prescheduled unavailability periods, such as lunch and tea breaks, into account in order to reflect a more realistic production environment. This problem includes allocating operations to the stations and satisfying the demand and cycle time within a desired interval for each model to be produced. We also ensure that assignability, precedence, and tool life constraints are met. Furthermore, the existing studies in the literature overlook the limited lives of the tools that are used for production. Tool replacement decisions not only affect the tooling cost, but also the production rate. Therefore, we determine the number of stations and allocate the operations into the stations in such a way that tool change periods coincide with the unavailability periods to eliminate tool change related line stoppages in a mixed model robotic assembly line. We provide a mathematical formulation, propose a two-stage local search algorithm and test the performances of these methods using different problem instances with varying parameters.
ISSN: 1751-5254
Appears in Collections:Endüstri Mühendisliği Bölümü / Department of Industrial Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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