CPC G01R 31/2601 (2013.01) | 20 Claims |
1. A method of dynamic parts average testing, the method comprising:
determining testing limits based on historic testing result data;
testing a plurality of portions of a material according to the testing limits to obtain test results;
computing multivariate statistics using the test results;
computing mean or median values of the multivariate statistics;
computing differences between the multivariate statistics and the mean or median values;
updating the testing limits based on the mean or median values to produce updated testing limits;
identifying a trend indicating an out of control material drift of the material based on the mean or median values and the updated testing limits; and
halting testing of the plurality of portions of the material responsive to the identifying the trend.
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