Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alan J. Hugo0
Date of Patent
October 30, 2007
Patent Application Number
11497441
Date Filed
August 2, 2006
Patent Primary Examiner
Patent abstract
A method for evaluating an alarm system for continuous or semi-continuous processes that gives an indication of the actual loading on the operator. A transformations is applied to a data set consisting of alarms and associated times, resulting in the data being much more amenable to common techniques of statistical quality control. The technique requires only a history of alarm events, and the transformation has a strong intuitive appeal.
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