Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation
Reexamination Certificate
2006-04-18
2006-04-18
Barlow, John (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Performance or efficiency evaluation
C702S183000, C702S184000, C701S100000, C701S029000
Reexamination Certificate
active
07031878
ABSTRACT:
Automated systems and methods for diagnosing the cause of a trend shift in performance data associated with a system including selecting a fuzzy model describing how the mean associated with a parameter shifts when a predetermined problem occurs and receiving performance data associated with the system. The diagnostic systems and methods also including applying a preferred set of piecewise regressions. The diagnostic systems and methods further including selecting a start date and selecting data sets near the start date and an end date that have a relatively large size without violating normal scatter. The diagnostic systems and methods still further including measuring the mean shift between a plurality of samples using one or more statistical tests and combining the results with the fuzzy model to achieve a diagnosis.
REFERENCES:
patent: 5951611 (1999-09-01), La Pierre
patent: 6591182 (2003-07-01), Cece et al.
patent: 2004/0088100 (2004-05-01), Volponi
Cleary Daniel J.
Cuddihy Paul E.
Yu LiJie
Barlow John
Clarke Penny A.
Patnode Patrick K.
Vo Hien
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