When defining design inputs and specifications, what does a design engineer need to consider about the test and measure capability? What are the typical ways that we assess the variability that a test or measurement introduces into our result?

Visit the website for additional links and a Venn diagram. https://www.qualityduringdesign.com/qdd/design-input--specs-vs-test--measure-capability

Watch this episode on YouTube. 

Explore More. Get a deeper dive of these topics through these other QDD episodes:

The Way We Test Matters

Statistical vs. Practical Significance

What is ‘Production Equivalent’ and Why Does it Matter?

Ready to apply this to your project?
→ Schedule a free discovery call: Dianna's calendar

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Learn the full framework:
→ Get the Book: Pierce the Design Fog

ABOUT DIANNA
Dianna Deeney is a quality advocate for product development with over 25 years of experience in manufacturing. She is president of Deeney Enterprises, LLC, which helps organizations and people improve engineering design.

 Reliability engineers may suggest environmental stress tests. There are many types of tests in an RE's toolbox. We compare two types of commonly known tests that are used for design: ALT vs. HALT. What are the important distinctions between these two methods? What value do they each bring to design engineering? And how do they fit into other reliability test methods?

Visit the website for additional links, downloads, and a venn diagram. Plus, I link to another fun video.  https://www.qualityduringdesign.com/qdd/ALT-vs-HALT/

View the video on YouTube

Further explore these topics from these other QDD episodes:

HALT! Watch out for that weakest link.

Results-Driven Decisions, Faster: Accelerated Stress Testing as a Reliability Life Test

Environmental Stress Testing for Robust Designs

Getting Comfortable with using Reliability Results

5 Aspects of Good Reliability Goals and Requirements

Ready to apply this to your project?
→ Schedule a free discovery call: Dianna's calendar

Want insights like this?
→ Subscribe to my newsletter: qualityduringdesign.substack.com

Learn the full framework:
→ Get the Book: Pierce the Design Fog

ABOUT DIANNA
Dianna Deeney is a quality advocate for product development with over 25 years of experience in manufacturing. She is president of Deeney Enterprises, LLC, which helps organizations and people improve engineering design.

Viewing Quality as a strategic asset to new product development can help us create those products that others love, for less. We talk about some challenges with new product development, the ideal state, and how we can use quality to get there. Use quality engineering and reliability engineering to P.R.U.N.E. the development process so we can develop the best products that we can.

Visit the blog for more information and citations. 

Need more help getting started? Try these episodes.

Using SIPOC to Get Started

Types of Design Analyses possible with User Process Flowcharts

Getting Started with FMEA – It All Begins with a Plan

Choosing Quality Tools (Mind Map vs. Flowchart vs. Spaghetti Diagram)

Ready to apply this to your project?
→ Schedule a free discovery call: Dianna's calendar

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Learn the full framework:
→ Get the Book: Pierce the Design Fog

ABOUT DIANNA
Dianna Deeney is a quality advocate for product development with over 25 years of experience in manufacturing. She is president of Deeney Enterprises, LLC, which helps organizations and people improve engineering design.

This fourth episode of the "QDD Versus" series focuses on concepts relating to Design for Manufacturability. Understand how design specs fit into process control, process capability, and SPC and where they typically don't fit at all.

We talk about things to think about when setting limits on design features.
And, when defining controls for potential failures, knowing how processes are controlled can help us decide if the controls we have are good enough or not.

Watch on YouTube.

Visit the blog for additional graphics. 

Ready to apply this to your project?
→ Schedule a free discovery call: Dianna's calendar

Want insights like this?
→ Subscribe to my newsletter: qualityduringdesign.substack.com

Learn the full framework:
→ Get the Book: Pierce the Design Fog

ABOUT DIANNA
Dianna Deeney is a quality advocate for product development with over 25 years of experience in manufacturing. She is president of Deeney Enterprises, LLC, which helps organizations and people improve engineering design.

 We talk about customers of design information. It takes many people to realize a product design into something that can be sold and used. Those people need design information to ensure that they're performing their tasks to produce a high-quality product, and to be able to use our product appropriately. We review who our customers are and what type of information they need from design engineers. 

Visit the blog for additional graphics, transcripts, and videos.

Ready to apply this to your project?
→ Schedule a free discovery call: Dianna's calendar

Want insights like this?
→ Subscribe to my newsletter: qualityduringdesign.substack.com

Learn the full framework:
→ Get the Book: Pierce the Design Fog

ABOUT DIANNA
Dianna Deeney is a quality advocate for product development with over 25 years of experience in manufacturing. She is president of Deeney Enterprises, LLC, which helps organizations and people improve engineering design.

Once we've decided to control something (think of our prevention and detection controls), we then need to decide how to measure it. Different controls may need different measuring requirements, which can give us discrete or continuous data. We treat these data types differently when collecting it, determining sample sizes, and analyzing it for results. Tune-in to learn more about how to take the next step in defining controls: figuring out how to measure it and considering the data.

Another QDD episode you might like:
Designing Specs for QA

New! Watch the video on YouTube

Visit this episode at https://www.qualityduringdesign.com/qdd/discrete-data-vs-continuous-data/ for additional graphics, transcripts, and links.

Ready to apply this to your project?
→ Schedule a free discovery call: Dianna's calendar

Want insights like this?
→ Subscribe to my newsletter: qualityduringdesign.substack.com

Learn the full framework:
→ Get the Book: Pierce the Design Fog

ABOUT DIANNA
Dianna Deeney is a quality advocate for product development with over 25 years of experience in manufacturing. She is president of Deeney Enterprises, LLC, which helps organizations and people improve engineering design.

Not all controls are equal, and we don't have to wait for something bad to happen to start designing with them. We compare different types of controls in product development and design engineering: Prevention Controls vs. Detection Controls. We review concepts, uses for controls, risk-based controls, and how to prioritize design efforts for the right controls.

Visit the podcast blog for a Venn diagram and other links.

Get the poka-yoke mistake-proofing checklist here: Mistake-Proofing - The Poka-Yoke of Usability - Quality During Design

Another QDD podcast episode you might like: How many controls do we need to reduce risk?

NEW! Watch the video on YouTube.
Visit www.qualityduringdesign.com for more topics.

Ready to apply this to your project?
→ Schedule a free discovery call: Dianna's calendar

Want insights like this?
→ Subscribe to my newsletter: qualityduringdesign.substack.com

Learn the full framework:
→ Get the Book: Pierce the Design Fog

ABOUT DIANNA
Dianna Deeney is a quality advocate for product development with over 25 years of experience in manufacturing. She is president of Deeney Enterprises, LLC, which helps organizations and people improve engineering design.

Your team is faced with a complex decision. Maybe it's complex because you have a lot of options or maybe it's complex because it's technically challenging and requires some testing. You may want to consider a structured approach: DMRCS.

Define
Measure
Reduce
Combine
Select

Learn more about this approach by statisticians Dr. Anderson-Cook and Dr. Lu.
Check the podcast blog for their articles and examples.

Ready to apply this to your project?
→ Schedule a free discovery call: Dianna's calendar

Want insights like this?
→ Subscribe to my newsletter: qualityduringdesign.substack.com

Learn the full framework:
→ Get the Book: Pierce the Design Fog

ABOUT DIANNA
Dianna Deeney is a quality advocate for product development with over 25 years of experience in manufacturing. She is president of Deeney Enterprises, LLC, which helps organizations and people improve engineering design.

 We’ve identified safety concerns about our product design. How concerned do we need to be about quality while we’re determining root causes? There is an intersection of quality, reliability, and safety. We talk about how they fit together.

Visit the podcast blog at QualityDuringDesign.com for a graphic that shows how they fit together.

Ready to apply this to your project?
→ Schedule a free discovery call: Dianna's calendar

Want insights like this?
→ Subscribe to my newsletter: qualityduringdesign.substack.com

Learn the full framework:
→ Get the Book: Pierce the Design Fog

ABOUT DIANNA
Dianna Deeney is a quality advocate for product development with over 25 years of experience in manufacturing. She is president of Deeney Enterprises, LLC, which helps organizations and people improve engineering design.

We’re at the concept phases of our product design, trying to get our heads around the high-level steps that our users are going to take to use our product. We have an idea that we’ll have many different user groups interacting with our product, but we’re not so clear about the big picture – who is doing what, when and who needs what afterwards. To put it all together, we can help ourselves with a common quality tool: a SIPOC diagram.

SIPOC is an acronym for Suppliers, Inputs, Process, Outputs, Customers

We talk about when to use it and what steps to take to complete one (hint: we don't usually fill it in from left-to-right).

Visit the podcast blog at QualityDuringDesign.com for a completed example.

Ready to apply this to your project?
→ Schedule a free discovery call: Dianna's calendar

Want insights like this?
→ Subscribe to my newsletter: qualityduringdesign.substack.com

Learn the full framework:
→ Get the Book: Pierce the Design Fog

ABOUT DIANNA
Dianna Deeney is a quality advocate for product development with over 25 years of experience in manufacturing. She is president of Deeney Enterprises, LLC, which helps organizations and people improve engineering design.