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Chris and Fred discuss why the Physics of Failure (PoF) is hard to model? … or is it?
Join Chris and Fred as they discuss how the Physics of Failure (PoF) is seen as hard to use to model time to failure of something. It usually needs a detailed equation or formula to model how long it takes for something to fail based on physical parameters like grain size, modulus, strain exponent and so on. Sounds hard!
Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSSThe post SOR 966 Why is PoF so Hard? appeared first on Accendo Reliability.
Chris and Fred discuss the MTBF … again. And again. People don’t (want to) get it. So here we go again …
Join Chris and Fred as they discuss the MTBF and why it should virtually never be used. Why?
Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSSThe post SOR 965 MTBF, Really? appeared first on Accendo Reliability.
Kirk and Fred discuss new product market release schedule pressures, and then after customers start finding reliability issues, the actual firefighting begins. Many times, those who quickly can fix the causes of failures, the firefighters, get many more accolades than those who find and mitigate product weaknesses that become failures during the design and development phase.
Join Kirk and Fred as they discuss the common excuses for not doing enough analysis and testing to discover latent defects before market release, if it does happen. Many products are robust designs and the latent defects are introduced during assembly and final testing.
Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSSPlease click on this link to access a relatively new analysis of traditional reliability prediction methods article from the US ARMY and CALCE titled “Reliability Prediction – Continued Reliance on a Misleading Approach”. It is in the public domain, so please distribute freely. Trying to predict reliability for development is a misleading a costly approach.
You can now purchase the most recent recording of Kirk Gray’s Hobbs Engineering 8 (two 4 hour sessions) hour Webinar “Rapid and Robust Reliability Development 2022 HALT & HASS Methodologies Online Seminar” from this link.
For more information on the newest discovery testing methodology here is a link to the book “Next Generation HALT and HASS: Robust design of Electronics and Systems” written by Kirk Gray and John Paschkewitz.
The post SOR 964 Finding Failures and Firefighting appeared first on Accendo Reliability.
Kirk and Fred discuss the challenge of showing those new to limit discovery using HALT and proving does find relevant future field issues that either already have occurred in a new released product, or in a product under development.
Join Kirk and Fred as they discuss finding potential weaknesses in a new or established product using HALT, and how we can connect the weakness to field reliability, first, if the field issue has already been corrected and all products have been retrofitted with a fix, and second, those weaknesses in development that are found in “conditions the product will never experience in the field (HALT)”
Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSSPlease click on this link to access a relatively new analysis of traditional reliability prediction methods article from the US ARMY and CALCE titled “Reliability Prediction – Continued Reliance on a Misleading Approach”. It is in the public domain, so please distribute freely. Trying to predict reliability for development is a misleading a costly approach.
Here is a link to Kirk’s article “Thermal HALT A Tool for Discovery of Signal Integrity and Software Reliability Issues”
You can now purchase the most recent recording of Kirk Gray’s Hobbs Engineering 8 (two 4 hour sessions) hour Webinar “Rapid and Robust Reliability Development 2022 HALT & HASS Methodologies Online Seminar” from this link.
For more information on the newest discovery testing methodology here is a link to the book “Next Generation HALT and HASS: Robust design of Electronics and Systems” written by Kirk Gray and John Paschkewitz.
The post SOR 963 Proving HALT Works appeared first on Accendo Reliability.
Chris and Fred discuss how we go about modeling the reliability of systems … particularly with things called ‘block diagrams.’ Might this help you?
Join Chris and Fred as they discuss how we can go about modelling a system, mainly in response to a listener question. The question revolves around modeling a ‘complex’ system that involves a relief valve (which means it only needs to work at certain times), and other valves that redirect things in pipes to three different processes. Where do we start?
Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSSThe post SOR 962 Limits of Block Diagrams appeared first on Accendo Reliability.
Chris and Fred discuss where the ideas of ‘confidence bounds’ come from … and perhaps what they mean.
Join Chris and Fred as they discuss how we come up with things we call ‘confidence bounds.’ What are they? … and how do they help?
Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSSThe post SOR 961 Where do Confidence Bounds Come From appeared first on Accendo Reliability.
Carl and Fred discuss their overall approach to FMEA, what works and doesn’t work.
Join Carl and Fred as they discuss how they approach FMEA to keep it lean, effective and workable. Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSS
The post SOR 960 Differing FMEA Approaches appeared first on Accendo Reliability.
Carl and Fred discuss reader questions on FMEA detection, a subject which can be challenging and confusing. Detection is a key part of FMEA during product development as well as in operation. This podcast will discuss some of the “knottiest” challenges with understanding detection in FMEA.
Join Carl and Fred as they discuss when and how to use detection in FMEAs. Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSS
The post SOR 959 Knotty Detection appeared first on Accendo Reliability.
Chris and Fred discuss Weibull Analysis and how it can help you can first take your ‘tentative’ steps to learn more about it.
Join Chris and Fred as they discuss Weibull analysis. This is perhaps one of the most talked about forms of analysis reliability engineers talk about. And so for some people who are first starting to do reliability stuff, it can be a little intimidating to not know about this analysis methodology that everyone else seems to use. So where do you start?
Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSSThe post SOR 958 Learning Weibull Analysis appeared first on Accendo Reliability.
Kirk and Fred discuss the fact that many times those on the assembly and production lines are the ones that have the most information for assembly issues and causes of failures, yet the information they have is not heard by the engineers and management that could improve it.
Join Kirk and Fred as they discuss getting the information on reliability issues from those workers and technicians assembling the product or running production equipment to the engineers who made the assembly procedures.
Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSSPlease click on this link to access a relatively new analysis of traditional reliability prediction methods article from the US ARMY and CALCE titled “Reliability Prediction – Continued Reliance on a Misleading Approach”. It is in the public domain, so please distribute freely. Trying to predict reliability for development is a misleading a costly approach.
You can now purchase the most recent recording of Kirk Gray’s Hobbs Engineering 8 (two 4 hour sessions) hour Webinar “Rapid and Robust Reliability Development 2022 HALT & HASS Methodologies Online Seminar” from this link.
For more information on the newest discovery testing methodology here is a link to the book “Next Generation HALT and HASS: Robust design of Electronics and Systems” written by Kirk Gray and John Paschkewitz.
The post SOR 957 Learning From Those Closest appeared first on Accendo Reliability.
Kirk and Fred discuss the many required tests before market release and post market ongoing reliability testing and why testing is so necessary.
Join Kirk and Fred as they discuss the reasons we have to do so many tests to get the feedback on failures sometimes long after the tests have no failures for long periods.
Topics include:
Enjoy an episode of Speaking of Reliability. Where you can join friends as they discuss reliability topics. Join us as we discuss topics ranging from design for reliability techniques to field data analysis approaches.
Download Audio RSSPlease click on this link to access a relatively new analysis of traditional reliability prediction methods article from the US ARMY and CALCE titled “Reliability Prediction – Continued Reliance on a Misleading Approach”
You can now purchase the most recent recording of Kirk Gray’s Hobbs Engineering 8 (two 4 hour sessions) hour Webinar “Rapid and Robust Reliability Development 2022 HALT & HASS Methodologies Online Seminar” from this link.
For more information on the newest discovery testing methodology here is a link to the book “Next Generation HALT and HASS: Robust design of Electronics and Systems” written by Kirk Gray and John Paschkewitz.
The post SOR 956 Getting Failure Feedback appeared first on Accendo Reliability.
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