Method and apparatus for interfacing a manager and a plant
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United States of America Patent
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Nov 5, 2002
Issued Date -
N/A
app pub date -
Dec 22, 1998
filing date -
Dec 22, 1998
priority date (Note) -
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Abstract
An interface between a plant manager and a plant utilises object oriented programming concepts to create objects representing resources of the plant. Objects representing physical resources in the plant have a state, and automatically report this state to their parent objects. Logical objects, which are parents to other objects, determine their states based upon the states of their children, and report these to their own parent objects. At the head or apex of this hierarchy of objects is an initial object, whose state is the state of the plant as a whole. Operations, such as software upgrades or sparing of resources, may be implemented by the manager sending a command to the appropriate object, which will implement the command through its descendant objects. The success or failure of this attempt is then reported to the manager.
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Cited Art Landscape
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