Process control system responsive to device events

Details Process control system responsive to device events Process control system responsive to device events

1995-10-05

1997-03-04

Sheikh, Ayaz R.

395500, 395 76, 395704, 395680, G06F 1130, G06F 1520

Patent

active

056089082

ABSTRACT:
Techniques for controlling a process which is performed at least in part by a device such as a computer operating system. The techniques involve a process server which controls the process in response to indications that steps of the process have taken place, an envelope which encloses the device and generates event messages when the device performs operations, and a translator which translates steps of the process into sequences of events and monitors the event messages. When the translator determines that a sequence of events which constitute a process step has occurred, it provides an indication that the step has occurred to the process server. In a preferred embodiment, the device is an operating system, the envelope is a dynamically-linked library of file system commands, the translator includes the Yeast event-action system, and the process server is a process control system which models entities involved in the process as objects and makes state transitions by firing rules which modify the objects.

REFERENCES:
patent: 5155842 (1992-10-01), Rubin
patent: 5355484 (1994-10-01), Record et al.
patent: 5384720 (1995-01-01), Ku et al.
patent: 5426768 (1995-06-01), Kanazawa

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