Statistical signatures used with multivariate analysis for...

Details Statistical signatures used with multivariate analysis for... Statistical signatures used with multivariate analysis for...

2007-09-28

2010-12-14

Patel, Ramesh B (Department: 2121)

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Optimization or adaptive control

C700S028000, C700S050000, C700S052000, C700S053000, C700S054000, C702S179000, C702S180000, C702S181000

Reexamination Certificate

active

07853339

ABSTRACT:
Methods and systems to detect steady-state operations in a process of a process plant include collecting process data. The collected process data is generated from a plurality of process variables of the process. A multivariate statistical model of the operation of the process is generated using the process data. The multivariate statistical model may be generated from a principal component analysis. The model is executed to generate outputs corresponding to the most significant variations in the process. Statistical measures of the outputs are generated and used to determine whether a steady-state or unsteady-state is related to the process.

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