Object-oriented programmable controller

Details Object-oriented programmable controller Object-oriented programmable controller

1997-11-05

1999-09-07

Hafiz, Tariq R.

G06F 945

Patent

active

059500069

ABSTRACT:
A controller for one or more pieces of industrial equipment is configured to perform a series of control functions each organized into one or more procedures for performing particular machine actions. The progress of an action, or some parameter of the action-taking machine (which may or may not be associated with an action), is represented by one or more "states." A database associates entries corresponding to the items of an object (including the action(s) and the state(s)), and contains storage locations where the associated procedural instructions and/or data are to be found. The action can be independent of state information, or can instead be executed in a manner responsive to a sensed state. The controller may also include diagnostic capability, as well as accumulation and processing of performance data for subsequent analysis.

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patent: 5453933 (1995-09-01), Wright et al.
patent: 5594858 (1997-01-01), Blevins
patent: 5611059 (1997-03-01), Benton et al.
patent: 5642467 (1997-06-01), Stover et al.
patent: 5812394 (1998-09-01), Lewis et al.

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