Method and system for the statistical control of industrial...

Details Method and system for the statistical control of industrial... Method and system for the statistical control of industrial...

2007-07-24

2007-07-24

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

Reexamination Certificate

active

11146132

ABSTRACT:
A method for controlling an industrial process including: producing a pilot sample including n exemplars of the product, acquiring measured data (X1, . . . , Xn) for an observed variable relating to that sample having a distribution Fnapproximating to the unknown F distribution for the observed variable, determining a minimum sample size on which the test is performed such that the lower bound ({circumflex over (π)}Fα1n,,1(m)) for a confidence interval of predetermined level (1−αl) associated with the bootstrap distribution for the pointwise estimate of the power of the test performed on a sample of that size extracted from the pilot sample of distribution Fn, is equal to or greater than a predetermined desired power value, and producing a sample of products to be subjected to that Φ test including m exemplars equal to the sample size determined.

REFERENCES:
patent: 6550700 (2003-04-01), Griebat et al.
patent: 0 508 386 (1992-10-01), None

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