Abstract
This paper studies the single-hoist cyclic scheduling problem in electroplating systems with two extended features. One extension is that the products must visit some processing tanks more than once (multi-function tanks). Another is that more than one identical tank is used at some stages. These extensions are common in practical electroplating lines and can increase the lines' processing capacity. However, they make the hoist scheduling problem more complicated and little research has been done to optimize the hoist moves in such extended practical systems. In this paper, we develop a comprehensive mixed integer linear programming model to find optimal solutions to the single-hoist cyclic scheduling problem for electroplating lines with these extensions. Examples are given to demonstrate the effectiveness of the model in different types of problems.
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Liu, J., Jiang, Y. & Zhou, Z. Cyclic scheduling of a single hoist in extended electroplating lines: a comprehensive integer programming solution. IIE Transactions 34, 905–914 (2002). https://doi.org/10.1023/A:1015788912613
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DOI: https://doi.org/10.1023/A:1015788912613