Designing a mixed-model, open-station assembly line using mixed-integer programming

B R Sarker () and H Pan
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B R Sarker: Louisiana State University
H Pan: A-Plus Manufacturing Corporation

Journal of the Operational Research Society, 2001, vol. 52, issue 5, 545-558

Abstract: Abstract An open-station assembly line that manufactures mixed models of sheet metal cabinets is considered in this research. The problem minimizes the total cost of the idle and utility times incurred in an assembly line with different line parameters (such as launch interval, station length, starting point of work, upstream walk, locus of the operator's movement, etc.) and operation sequences of the mixed models. An open-station system plays a significant controlling role in determining the optimal line parameters that minimize the total cost of idle and utility times in a mixed-model assembly line. Thus, a mixed-integer programming model for an open-station system is developed here to determine line parameters optimally. The model is tested on a three-station mixed-model line, which is a partial representation of a complete long assembly line. This research obtained a set of line parameters that minimize the total cost of idle and utility times optimally. Results indicate that the minimum total cost of idle and utility times in an open-station system decreases with line length. Other results pertinent to the line design are also demonstrated.

Keywords: assembly line; mixed-model; open-station system; idle and utility times (search for similar items in EconPapers)
Date: 2001
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DOI: 10.1057/palgrave.jors.2601118

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