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      • Department of Industrial Engineering
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      Cyclic scheduling of a 2-machine robotic cell with tooling constraints

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      Author(s)
      Gultekin, H.
      Akturk, M. S.
      Karasan, O. E.
      Date
      2006
      Source Title
      European Journal of Operational Research
      Print ISSN
      0377-2217
      Electronic ISSN
      1872-6860
      Publisher
      Elsevier
      Volume
      174
      Issue
      2
      Pages
      777 - 796
      Language
      English
      Type
      Article
      Item Usage Stats
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      267
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      Abstract
      In this study, we deal with the robotic cell scheduling problem with two machines and identical parts. In an ideal FMS, CNC machines are capable of performing all the required operations as long as the required tools are stored in their tool magazines. However, this assumption may be unrealistic at times since the tool magazines have limited capacity and in many practical instances the required number of tools exceeds this capacity. In this respect, our study assumes that some operations can only be processed on the first machine while some others can only be processed on the second machine due to tooling constraints. Remaining operations can be processed on either machine. The problem is to find the allocation of the remaining operations to the machines and the optimal robot move cycle that jointly minimize the cycle time. We prove that the optimal solution is either a 1-unit or a 2-unit robot move cycle and we present the regions of optimality. Finally, a sensitivity analysis on the results is conducted.
      Keywords
      Automated systems
      Production scheduling
      Robotic cell
      Permalink
      http://hdl.handle.net/11693/23692
      Published Version (Please cite this version)
      http://dx.doi.org/10.1016/j.ejor.2005.03.021
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