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IEICE TRANSACTIONS on Fundamentals

A Consideration on a Sliding Palette Problem in a Two-Dimensional Automatic Warehouse

Kenji SHIMIZU, Akio SAKAMOTO, Shuji TSUKIYAMA, Mitsuru NUMATA, Takashi KAWABATA

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Summary :

In this paper, we consider an automatic warehouse, in which rc-k palettes are arranged two-dimensionally on a grid with r rows c columns. The palettes in the warehouse can slide independently and simultaneously with the use of k spaces, unless they come into collision. Then, we show the minimum number of sliding operations required to move a specified palette to a specified position, where one sliding operation is a set of slides of palettes which are executed simultaneously in a unit time withouto any collision.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E74-A No.4 pp.644-652
Publication Date
1991/04/25
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Type of Manuscript
Special Section INVITED PAPER (Special Issue on Discrete Mathematics and Its Applications)
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