Method of controlling liquid production utilizing an expert system controller
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United States of America Patent
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Jul 31, 2007
Grant Date -
Oct 12, 2006
app pub date -
Apr 7, 2005
filing date -
Apr 7, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method for controlling the production of one or more liquid products produced by one or more plants, that can be an air separation plant, that has a liquid storage capacity and that consumes electrical power. Linguistic values related to current liquid inventory, a rate of change of liquid inventory, projected demand requirements and projected unit power costs are inputted into a expert system controller having one or more rule sets that apply such input linguistic values to produce output linguistic values that are converted back to an output numerical value of a forecasted differential production rate to be applied during a forecast period. The output numerical value of differential production is added to the current production rate of the plants to obtain a new production rate which is applied during the forecast period.
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