Control device and control method of library apparatus, and libr

Details Control device and control method of library apparatus, and libr Control device and control method of library apparatus, and libr

1998-01-30

2000-12-12

Ellis, Christopher P.

Data processing: generic control systems or specific application

Specific application, apparatus or process

Article handling

700255, G06F 1700

Patent

active

061610585

ABSTRACT:
A library apparatus of the present invention has directors which respectively determine operations of two carrying devices traveling along one traveling path. A servo control units move the carrying devices based on the determination of the directors. The serv control units obtain positional data of the carrying devices, and judge whether or not the carrying devices come into contact with each other by comparing these pieces of positional data. The servo control unit, when judging that the carrying devices come into contact with each other, stops a driving circuit of each carrying device. A drive of a motor for supplying each carrying device with power is thereby stopped, and the carrying device is stopped.

REFERENCES:
patent: 5060090 (1991-10-01), Kobayashi et al.
patent: 5227707 (1993-07-01), Mitomi et al.
patent: 5654839 (1997-08-01), Tanaka et al.
patent: 5768141 (1998-06-01), Hanaoka et al.
patent: 5867388 (1999-02-01), Okumura et al.

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