Method and apparatus for system state classification

A method for identifying a state of a manufacturing system includes defining at least one virtual sensor having a value. At least one state descriptor including a plurality of condition terms and a trigger probability is defined. Each condition term includes a function of the value of the virtual se...

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Bibliographische Detailangaben
1. Verfasser:	GREEN ERIC O
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COUNTING ELECTRIC DIGITAL DATA PROCESSING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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Beschreibung
Zusammenfassung:	A method for identifying a state of a manufacturing system includes defining at least one virtual sensor having a value. At least one state descriptor including a plurality of condition terms and a trigger probability is defined. Each condition term includes a function of the value of the virtual sensor. The condition terms are evaluated based on the value to determine a classification probability. The state is identified responsive to the classification probability being greater to or equal to the trigger probability. A manufacturing system including a plurality of tools, at least one virtual sensor, and a state classification unit is also provided.