The Anatomy of Variations in Product Performance

By Bill Jewett

This article characterizes basic elements that contribute to variations in the performance of products. The functional model is a foundation for analytical and empirical methods that improve product reliability and durability. Also, it’s a useful way to understand the valuable role played by stressful conditions in the development of products. With a focus on performance variability, root causes can be determined, leading to the development of improved robustness, with stressful laboratory conditions enabling problems to be found faster and solutions proven to be superior.

Performance Variations in Product Development

An objective of product development is to control performance ...

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