Invention Grant
US08233494B2 Hierarchical and incremental multivariate analysis for process control 有权
过程控制的分层和增量多变量分析

Hierarchical and incremental multivariate analysis for process control
Abstract:
A technique for analyzing two or more data streams respectively generated from two or more components of a controllable process includes the following steps. In a first step, a statistical analysis is performed on each of the two or more data streams to generate first analysis results in the form of respective statistical results for the two or more data streams. In a second step, at least a portion of the statistical results from at least one of the two or more data streams is combined with at least a portion of the statistical results from at least another one of the two or more data streams to yield second analysis results. The controllable process is adjustable based on at least one of the first analysis results and the second analysis results.
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