Quality during Design Blog

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"Dianna Deeney has launched a podcast that focuses on both the need and the 'how to' include quality and reliability in your design. Both entertaining and thoughtful, the shows are well done and worth subscribing."  

Fred Schenkelberg, founder of Accendo Reliability 

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I like talking with people in product design and the manufacturing industry. Contact me if you're interested in being interviewed and being a guest on the show.

How Many Do We Need To Test?

In this episode we review sampling for design tests. We talk through a generic thought process for choosing a statistically relevant sample size and propose some basics that we can all learn about to better understand sampling. Our goal is for us to be able to better talk through a sampling scenario with our quality…

Life Cycle Costing for Product Design Choices

5 Aspects of Good Reliability Goals and Requirements

Using Failure Rate Functions to Drive Early Design Decisions

We have good requirements for the reliability of our design. We also have a preliminary design with ideas of how we’re going to manufacture it. Is our design idea good enough? Are there things we should do to improve its performance and reliability? For a physical product, there are three general stages in its life…

Types of Design Analyses possible with User Process Flowcharts

Quality and Cross-Functional Teams

I’m a fan of cross-functional teams. My main reason is that the different perspectives that each person brings from their respective areas of the business helps create a more complete vision of product and performance risk. Part of quality (and design!) means assessing and managing risk, and I’ve seen time and again the power of bringing people together: better understanding,…