Data processing: structural design – modeling – simulation – and em – Modeling by mathematical expression
Patent
1996-08-23
2000-08-29
Teska, Kevin J.
Data processing: structural design, modeling, simulation, and em
Modeling by mathematical expression
700 30, 700 31, G06F 1900
Patent
active
061102148
ABSTRACT:
A first model or first analyzer having a series of filters is provided to represent time-varying effects of maintenance events. The first model or analyzer further enhances the selection of derived variables which are used as inputs to the first analyzer. Additionally, a combination of fuzzy logic and statistical regression analyzers are provided to better model the equipment and the maintenance process. An optimizer with a bi-modal optimization process which integrates discrete maintenance events with continuous process variables is also provided. The optimizer determines the time and the type of maintenance activities which are to be executed, as well as the extent to which the maintenance activities can be postponed by changing other process variables. Thus, potential modifications to process variables are determined to improve the current performance of the processing equipment as it drifts out of tolerance.
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Aspen Technology Inc.
Frejd Russell W.
Teska Kevin J.
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