Computer system for realtime and non-realtime programs

Details Computer system for realtime and non-realtime programs Computer system for realtime and non-realtime programs

2006-02-14

2006-02-14

Paladini, Albert W. (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S110000, C713S400000

Reexamination Certificate

active

06999833

ABSTRACT:
The invention provides a computer system for realtime control of machines. The computer system continually switches between a realtime programs EP providing control of peripheral devices A1, An, including control and/or regulation, and other programs within the realtime clock periods. The computer system has communications system KS and a a control system SS connected to the peripheral devices A1, An, particularly motor driver devices, over the communications system KS. A realtime clock signal T is generated from an independent cyclic communications clock T2of the communications system KS, which has a communications processor KP that operates in realtime. When the control processor SP is remote from the communications processor KP, the realtime clock T may be regenerated an incoming bus clock signal B by a counter Z having upper and lower thresholds K2and K1.

REFERENCES:
patent: 6185477 (2001-02-01), Palm et al.
patent: 6219626 (2001-04-01), Steinmetz et al.
patent: 6779174 (2004-08-01), Amrhein et al.
patent: 2004/0252052 (2004-12-01), Kitatani
patent: 2004/0252668 (2004-12-01), Ozukturk et al.
patent: 1 067 448 (2001-01-01), None

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