Motion optimization for a tape storage system

Boots – shoes – and leggings

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360 92, 414273, 414277, G06F 1700, G11B 1568, B65G 100

Patent

active

055008038

ABSTRACT:
An automated cartridge system optimizes the time it takes to execute a series of cartridge requests. After cartridge requests are received, the library controller calculates the approximate time it will take to execute each possible sequence of pending cartridge requests. The library controller then executes the first request in the sequence of pending requests which will take the shortest elapsed time. This series of calculations and executions continues until all requests are completed. It is another object of the present invention to carry out the motion optimization in such a manner that assures that a particular cartridge request is not put off indefinitely. Each time a hand or arm is allocated to a request, all other requests waiting for these mechanisms have their calculated execution times reduced to increase the likelihood of execution.

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patent: 4864511 (1989-09-01), Moy et al.
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patent: 4932826 (1990-06-01), Moy et al.
patent: 4945429 (1990-07-01), Munro et al.
patent: 5121483 (1992-06-01), Monahan et al.
patent: 5175690 (1992-12-01), Berthier et al.
patent: 5287459 (1994-02-01), Gniewek

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