Blog

Tips, insights, and best practices for Design of Experiments, Measurement System Analysis, and statistical methods from the Objective Experiments team.

What on Earth is a Weibull?

2012-05-23•By William D. Kappele
ReliabilityWeibullStatistics

Reliability analysis is essential to developing and manufacturing quality products. The Weibull Distribution is a powerful tool for measuring variations in production reliability and predicting product life, so you can make more informed decisions.

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Is Your Product Reliable?

2012-05-22•By William D. Kappele
ReliabilityProduct DevelopmentCase Studies

Engineers can now measure product reliability and life, to design more reliable products. This article features three industry examples of Reliability Analysis.

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What's Wrong With One-Factor-at-a-Time?

2012-04-05•By William D. Kappele
DOEOFATBest Practices

One-Factor-at-a-Time is the most common experimental methodology, but it has significant weaknesses: it's subjective, restricted and ignores factor interactions. Using a model corrects these shortcomings.

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Effective Innovation Using DOE

2012 March 10•By William D. Kappele
DOECase StudiesInnovation

Design of Experiments gives you the most information at the lowest cost with the least amount of work. This article presents three industry examples, from Hewlett Packard, Lexmark International and Monsanto.

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Can You Trust Your Measurement System?

2011 November 18•By William D. Kappele
MSAMeasurement SystemsCase Studies

If your data is important, then you should perform a Measurement System Analysis (MSA) to ensure its accuracy. Three real-world examples describe measuring surface tension for inks, copper thickness for printed circuit boards and diamond cutter wear.

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Gage R&R for Destructive Measurement Systems

2010 May 08•By William D. Kappele and John Raffaldi
MSAGage R&RDestructive Testing

Typical Gage R&R studies rely on the assumption that a part can be measured without changing the characteristics of that part. This post tells you how to perform a Measurement System Analysis for a Destructive Measurement System.

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Effective Innovation

2010 January 15•By William D. Kappele
InnovationDOEBest Practices

Invention and innovation are different. Using invention methods to innovate is ineffective. Learning Effective Innovation has been difficult in the past, but Objective Experiments makes it easy.

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