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      An analysis of cyclic scheduling problems in robot centered cells

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      Author
      Yıldız, Serdar
      Karasan, Oya Ekin
      Aktürk, M. Selim
      Date
      2012
      Source Title
      Computers & Operations Research
      Print ISSN
      0305-0548
      Publisher
      Elsevier
      Volume
      39
      Issue
      6
      Pages
      1290 - 1299
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      The focus of this study is a robot centered cell consisting of m computer numerical control (CNC) machines producing identical parts. Two pure cycles are singled out and further investigated as prominent cycles in minimizing the cycle time. It has been shown that these two cycles jointly dominate the rest of the pure cycles for a wide range of processing time values. For the remaining region, the worst case performances of these pure cycles are established. The special case of 3-machines is studied extensively in order to provide further insight for the more general case. The situation where the processing times are controllable is analyzed. The proposed pure cycles also dominate the rest when the cycle time and total manufacturing cost objectives are considered simultaneously from a bicriteria optimization point of view. Moreover, they also dominate all of the pure cycles in in-line robotic cells. Finally, the efficient frontier of the 3-machine case with controllable processing times is depicted as an example.
      Keywords
      CNC
      Controllable processing times
      Robot centered cell
      Scheduling
      Bicriteria optimization
      Permalink
      http://hdl.handle.net/11693/28215
      Published Version (Please cite this version)
      http://dx.doi.org/10.1016/j.cor.2010.09.005
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      • Department of Industrial Engineering 677
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