Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/42347
標題: Design and storage cycle time analysis for the automated storage system with a conveyor and a rotary rack
作者: Hsieh, Y.J.
張樹之
Chang, S.E.
Chang, S.C.
關鍵字: conveyor systems
rotary racks
storage systems
queuing
closed-loop conveyors
carousel system
performance
models
期刊/報告no:: International Journal of Production Research, Volume 45, Issue 22, Page(s) 5383-5395.
摘要: In this paper, we analyse the performance of an automated Work-In-Process (WIP) storage system consisting of a conveyor and a rotary rack. The stability condition and the expected storage cycle time are derived to analyse the performance of the WIP storage system. As part of the storage cycle time analysis, the derived expected waiting times at the conveyor and the rotary rack are important performance measures that can be used for buffer-sizing purpose in such systems. Given the fixed storage space of the rotary rack, we also develop a heuristic approach to determine the near optimum 'shape' of the rotary rack so that the expected storage cycle time is minimized. Numerical results are presented to examine the storage cycle time model and the proposed shape design. The analytical model introduces a simple approach over simulation with acceptable accuracy; it is useful when designing such WIP storage systems. Moreover, it can be expanded to model more complex systems. The derived model also provides insightful information on the design parameters that a typical simulation tool can hardly provide.
URI: http://hdl.handle.net/11455/42347
ISSN: 0020-7543
文章連結: http://dx.doi.org/10.1080/00207540600891390
Appears in Collections:科技管理研究所

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