Data processing: measuring – calibrating – or testing – Measurement system – Statistical measurement
Reexamination Certificate
2007-03-20
2010-12-14
Wachsman, Hal D (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system
Statistical measurement
C702S180000, C702S181000, C702S182000
Reexamination Certificate
active
07853431
ABSTRACT:
A system and method of monitoring and diagnosing on-line multivariate process variable data in a process plant, where the multivariate process data comprises a plurality of process variables each having a plurality of observations, includes collecting on-line process data from a process control system within the process plant when the process is on-line, where the collected on-line process data comprises a plurality of observations of a plurality of process variables and where the plurality of observations of the set of collected process data comprises a first data space having a plurality of dimensions, performing a multivariate statistical analysis to represent the operation of the process based on a set of collected on-line process data comprising a measure of the operation of the process when the process is on-line within a second data space having fewer dimensions than the first data space, performing a univariate analysis to represent the operation of the process as a multivariate projection of the on-line process data by a univariate variable for each of the process variables, where the univariate variable unifies the process variables, and generating a visualization comprising a first plot of a result generated by the multivariate statistical representation of the operation of the process and a second plot of a result generated by the univariate representation of the operation of the process.
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Miller John Philip
Samardzija Nikola
Fisher-Rosemount Systems Inc.
Huynh Phuong
Marshall & Gerstein & Borun LLP
Wachsman Hal D
LandOfFree
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