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Speaking Of Reliability: Friends Discussing Reliability Engineering Topics | Warranty | Plant Maintenance
Speaking Of Reliability: Friends Discussing Reliability Engineering Topics | Warranty | Plant Maintenance episodes
- How did you find the Reliability Engineering Career Path?How did you find the Reliability Engineering Career Path?Abstract
Adam and Jordon Suls discussing how reliability engineers find the reliability engineering profession
Key PointsJoin Adam and Jordon as they discuss how reliability engineers find the reliability engineering profession
One thing all reliability engineers have in common is that we found reliability engineering in an unexpected way. For most of us we were educated as electrical, mechanical, or software engineers. At some point in our career we came across reliability, or it came across us. We became fascinated with it and then we found ourselves in role as full time reliability engineers. Jordon is in the early part of his career as a reliability engineer while Adam is mid way through his career. What do they both think about how they got to where they are.
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 RSSShow NotesThe post SOR 538 How did you find the Reliability Engineering Career Path? appeared first on Accendo Reliability.
0 min - Software Reliability ModelingSoftware Reliability ModelingAbstract
Adam and Kishor Trivedi discussing new ways to model software reliability.
Key PointsJoin Adam and Kishor as they discuss new ways to model software reliability.
There are more parallels between software and hardware reliability. Software can have wear out failure modes. The idea of a wear out failure mode is typically eliminated in most software reliability models. Mandelbugs and Bohrbugs are both models that can bring these different approaches to software reliability to quantitative measures.
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 RSSShow NotesThe post SOR 537 Software Reliability Modeling appeared first on Accendo Reliability.
0 min - Help For the Loneliest Engineering DisciplineHelp For the Loneliest Engineering DisciplineAbstract
Adam and Tim Gaens discussing how reliability engineering can often be a team of one in an organization.
Key PointsJoin Adam and Tim as they discuss how reliability engineering can often be a team of one in an organization.
Topics include:- What are ways reliability engineers can find resource for day to day questions, both technical and navigating programs?
- Groups like the Accendo Mastermind group are a great way for reliability engineers to find a confidential resource.
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 RSSShow NotesThe post SOR 536 Help For the Loneliest Engineering Discipline appeared first on Accendo Reliability.
0 min - Did RAMS Deliver on this Year's Theme?Did RAMS Deliver on this Year's Theme?Abstract
Chris and Joe Bell from G2OPs talk about systems engineering and how it relates to reliability engineering. Joe and his team focus on Model Based Systems Engineering (MBSE) and was hoping to learn more about reliability and MBSE at the 2020 Reliability and Maintainability Symposium (RAMS). Was RAMS successful in helping out Joe? Listen to this podcast to learn more.
Key PointsJoe Bell from G2OPs works with a lot of Department of Defense (DoD) clients, and historical systems engineering approaches are based on paper, PowerPoint files, Excel spreadsheets and so on. From Joe's perspective, MBSE differs primarily from traditional systems engineering by using the Systems Modeling Language (SysML). Does this work?
Topics include:
- SysML is a general-purpose digital modeling language for systems engineering, is open source, and is at least an attempt to be
- The challenge of working with reliability? There is so much reliability software out there that it makes it difficult to work out how to find the balance between having reliability engineering capability embedded within MBSE through SysML versus a function to export data to be analysed externally. And not a lot of work has been undertaken to work tis out.
- Does the RAMS MBSE theme permeate across they symposium? No. It could be because the topic is so new, but there weren't a lot of answers regarding incorporating reliability into MBSE or SysML. And of the discussions that were based on MBSE, they were very high level and driven by academia. The granular discussions at the practitioner levels were simply not happening.
- Links to the DoD. The DoD is looking at embedding MBSE into acquisition contracts, but perhaps don't have all the answers regarding how.' Particularly when it comes to reliability engineering. So this is making it challenging in terms of what do we do next?
- What would be a good first step? Simple, autogenerating plug-ins (for things like FMEAs) that aren't too simple but are useful and not formulaic. All based on a single source of truth' in a SysML environment. Joe works with the US Navy, and you can't do the same levels of testing that the Army an do ( there are a lot fewer aircraft carriers than tanks). So things like FMEAs are really useful in managing risk.
- Final thoughts on RAMS and MBSE. Joe pointed out that there were a lot of reliability engineers who (at times) tried to focus on MBSE not a lot of systems engineers working through reliability problems. And the majority of the symposium did not focus on MBSE.
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 RSSShow NotesThe post SOR 535 Did RAMS Deliver on this Year's Theme? appeared first on Accendo Reliability.
0 min - Creating the Reliability Czar in an OrganizationCreating the Reliability Czar in an OrganizationAbstract
Adam and Keith Clark discussing the powerful impact of creating a new role in the organization, The Reliability Czar.
Key PointsJoin Adam and Keith as they discuss the powerful impact of creating a new role in the organization, The Reliability Czar.
Keith commissioned an assessment of their reliability process within product development. It was advised that a role be created that would assist with information transfer between the front lines in reliability and leadership. This role is often called the “Reliabilty Czar.” Once this role was created his test and engineering team had a direct path to get critical information to leadership. Leadership wa also able to inquire about what was happening in test and analysis directly to the people executing it.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 RSSShow NotesThe post SOR 534 Creating the Reliability Czar in an Organization appeared first on Accendo Reliability.
0 min - Corner Case Use CasesCorner Case Use CasesAbstract
Adam and Joe Schwendler discussing how “corner case use” in testing can quickly identify robustness weaknesses and most importantly wear out.
Key PointsJoin Adam and Joe as they discuss how “corner case use” in testing can quickly identify robustness weaknesses and most importantly wear out.
Understanding end of life wear out failure modes is a critical part of the product development program. It is also one of the more difficult behaviors to characterise because simply, “wear out takes a long time.” Accelerated Life Tests (ALT) can be used to compress the test time. The challenge with ALT tests is having a verified acceleration model to work with. Creating a verified model can be a significant time and engineering resource as well.
Exploring how edge cases can reveal wear out failure modes is a great path to understanding long term product behavior in a compressed time frame. Joe and his team have used this technique to bring a strong understanding of their products reliability and wear out behaviors early in the design process.
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 RSSShow NotesThe post SOR 533 Corner Case Use Cases appeared first on Accendo Reliability.
0 min - Reliability Culture in Product MaintenanceReliability Culture in Product MaintenanceAbstract
Adam and Jessica discussing how the culture of reliability and maintenance can have a dramatic effect in how production and field issues are resolved.
Key PointsJoin Adam and Jessica as they discuss how the culture of reliability and maintenance can have a dramatic effect in how production and field issues are resolved.
Topics include:- Jessica shares how she saw a dramatic contrast in cultures between two organizations when she changed employers.
- Bridging the gap between design engineering, reliability engineering, quality engineering, and manufacturing engineering can be a long and difficult path. It takes time and persistent drive towards a goal of collaboration to be achieved.
- As a reliability engineer it can fall on your shoulders to bridge these gaps. A significant portion of the challenge is joining the teams that work from a reactive approach to teams that work in a proactive approach.
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 RSSShow NotesThe post SOR 532 Reliability Culture in Product Maintenance appeared first on Accendo Reliability.
0 min - SOR 531 Unique Role of FMEASOR 531 Unique Role of FMEAAbstract
Carl discusses the unique role that FMEA can play in a reliability program, when done exceptionally well.
Key PointsJoin Carl as he discusses the following topics:
- Good and bad FMEAs, what’s the difference?
- The ten most common FMEA mistakes and how to turn them into quality objectives
- FMEA is a thinking tool
- Apply the six FMEA “success factors”
- FMEAs bring together the bodies of knowledge of reliability engineering and reliability management
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 RSSShow NotesThe post SOR 531 Unique Role of FMEA appeared first on Accendo Reliability.
0 min - SOR 530 An Interesting DiscoverySOR 530 An Interesting DiscoveryAbstract
Kirk discusses a very interesting failure mechanism in a Voltage Controlled Oscillator (VCO) design and manufacturing company he briefly worked at and what the detailed failure analysis showed.
Key PointsJoin Kirk as he discusses the cause of a batch of VCOs to fail in time and the discovery of missing gold wires in the encapsulated P/N die of the variable capacitance diode (04×02 sized component)
Topics include:- How Kirk used thermal cycling to stimulate some more of the VCO’s to failure demonstrating latent to patent defect discovery.
- Cross-sections of the varactor, also known as a variable capacitance diode, showed a good die inside the encapsulation but no gold wire. The photos of the cross-section showed there was gold wire on the walls of the space the wire had been. This was enough gold along walls of the channel left to the die for the voltage to get to the P/N junction to work temporarily, as a varactor is normally a low current component. When the thin film of gold cracked and caused an open circuit and the VCO failed.
- Kirks analysis was that a group of varactors on the long SMT tape reels were damage by fast voltage spike, possibly ESD damage, at the supplier or in shipping long before assembled in the VCO.
- The small company’s owner believed it was caused by a lighting strike that passed through several sensitive test instruments without damaging anything but the VCO under test. It was a absurd conclusion and the company did not survive much longer after that time period.
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 RSSShow NotesHere is a link to Kirk’s book co-authored with John J. Paschkewitz available from Amazon “Next Generation HALT and HASS: Robust Design of Electronics and Systems”
Here is the link to the US ARMY/CALCE PAPER presented at the 2013 RAMS conference event mentioned in this podcast– “Reliability Prediction – A Continued Reliance on a Misleading Approach” . This is a government document that is in the public domain and should be distributed a read by any engineer that believes failure prediction methodology is useful or beneficial during product development.
The post SOR 530 An Interesting Discovery appeared first on Accendo Reliability.
0 min - SOR 529 SparesSOR 529 SparesAbstract
James discusses the dilemma of different groups complaining at the same time about too few and too many spares stocked.
Key PointsJoin James as he discusses the use of emotion-based spare stocking and the better method of risk-based stocking level decisions.
Topics include:
- The issues using an emotion-based stocking
- An overview of the risk-based stocking approach
- Do the math and get your stock fo spare aligned with what makes sense for your organization
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 RSSShow NotesThe post SOR 529 Spares appeared first on Accendo Reliability.
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