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You are here: Home / Archives for Articles

Articles

Find all articles across all article series listed in reverse chronological order.

by Hemant Urdhwareshe 1 Comment

Accelerated Life Testing (Part 1)

Accelerated Life Testing (Part 1)

This is our first video on ALT in a series of videos on this important topic in reliability engineering. In this video, Hemant Urdhwareshe has introduced basic concepts of ALT. In our subsequent videos on ALT, we will do a more detailed discussion on mathematical treatment, selection of appropriate model and statistical distribution. We will explain these with application example on Minitab software. Hemant is a Fellow of ASQ and is ASQ CRE, CMBB, CSSBB, CQE and CMQ/OE. We are sure that viewers will find it useful.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques, Uncategorized Tagged With: Life testing and accelerated life testing (ALT)

by Nancy Regan Leave a Comment

Why should I learn about RCM?

Why should I learn about RCM?

Have you ever tried to implement any asset improvement activity but it didn’t go so well?  Couldn’t rally the troops?  Couldn’t get the kind of management buy-in that you really needed to get things off the ground?  If so, you’re not alone.

I’ve read too many articles describing that up to 70% of asset improvement initiatives fail.  And I think it’s because a lot of people don’t have a basic understanding of maintenance and reliability principles.  So they don’t understand why “change” needs to take place.

[Read more…]

Filed Under: Articles, Everyday RCM, on Maintenance Reliability, Uncategorized Tagged With: Reliability Centered Maintenance (RCM)

by Carl S. Carlson 2 Comments

Key Teaching Principle # 8: Pace of Teaching

As covered in the first article in this series, Principles of Effective Teaching, reliability engineers, FMEA team leaders, and other quality and reliability professionals are often called upon to teach the principles of reliability or FMEA. Whether you are a student who wants to enhance your learning experience, an instructor who wants to improve teaching results, or an engineer who wishes to convey knowledge to another person, this series will offer practical knowledge and advice.

Manage pace of teaching to optimize learning

“The way we spend our time defines who we are.”  Jonathan Estrin [Read more…]

Filed Under: Articles, Inside FMEA Tagged With: teaching

by JD Solomon Leave a Comment

FINESSE Fishbone: The First E Stands For Empathy

FINESSE Fishbone: The First E Stands For Empathy

Reliability engineers are challenged to effectively communicate their technical information to senior managers and the public. The FINESSE fishbone diagram is a proven, systems-based approach for meeting the communications challenge. The first E in the FINESSE fishbone diagram stands for Empathy. These are four tips to help you improve your empathy and empathetic listening.

[Read more…]

Filed Under: Articles, Communicating with FINESSE, on Systems Thinking Tagged With: effective communication, empathy, FINESSE, Fishbone diagram, presentations, systems thinking

by Robert (Bob) J. Latino Leave a Comment

Essentials Elements of RCA

Essentials Elements of RCA

IS ALL RCA CREATED EQUAL? In this short ‘Getting Back to Basics’ video, Bob Latino attempts to breakdown what the term ‘RCA’ actually means to those who implement it. He will strip away the RCA marketing labels and focus on the elements/functions of an effective approach to analyzing undesirable outcomes. In end, viewers will reflect if their approach is consistent with ‘Root Cause Analysis’ or ‘Shallow Cause Analysis’.

What do you see, in practice, as the difference between RCA and Shallow Cause Analysis?

[Read more…]

Filed Under: Articles, on Systems Thinking, The RCA

by Christopher Jackson Leave a Comment

And Now to the Biggest IT Outage … Ever!

And Now to the Biggest IT Outage … Ever!

It is no small irony that a software application that is designed to protect IT systems from malicious actors was behind the biggest IT outage in the history of computers. A company called Crowdstrike provides a ‘Falcon Sensor’ product that is intended to scan computers that use Microsoft operating systems for vulnerabilities. And this product is deployed so deeply into its host operating systems that it has access to the ‘kernel,’ which is the program that runs the basic code that links applications to the computer hardware (like memory, central processing unit and other devices). Unfortunately a Falcon Sensor update that Crowdstrike sent to its customers had a bug that was not picked up by its own validation programs (because it too had a bug). And unfortunately, it accesses a ‘forbidden’ part of the memory that causes the infamous BSOD or ‘blue screen of death.’ So airlines, hospitals, banks, hotels and lots of other companies simply couldn’t operate.

[Read more…]

Filed Under: Articles, on Product Reliability, Reliability in Emerging Technology

by Semion Gengrinovich Leave a Comment

What is Acceptable Test Duration?

What is Acceptable Test Duration?

And again there is no one answer for such simple question. Strongly depends on what type of test you need to conduct.

It is also very important to understand at which stage, design of the product. Usually at very early stages of the design there is many unexpected failures, when design is mature enough – failures become predictable, and  there is one last period, called – wear out/aging  stage.

[Read more…]

Filed Under: Articles, on Product Reliability, Reliability Knowledge, Uncategorized Tagged With: Life testing and accelerated life testing (ALT)

by Fred Schenkelberg 6 Comments

Reliability Predictions

Reliability Predictions

Who are you fooling with MTBF Predictions?

All models are wrong, some are useful. ~ George E. P. Box

If you know me, you know I do not like MTBF. Trying to predict MTBF, which I consider a worthless metric, is folly.

So, why the article on predicting MTBF?

Predicting MTBF or creating an estimate is often requested by your customer or organization. You are being specifically asked for MTBF for a new product.

You have to come up with something.

[Read more…]

Filed Under: Articles, NoMTBF Tagged With: Parts count prediction

by Mike Sondalini Leave a Comment

Defect Elimination needs to be Systematic to Stop Failures in Your Company

Defect Elimination needs to be Systematic to Stop Failures in Your Company

Focus on failure elimination, otherwise equipment failures never stop because they are forever being introduced and perpetuated by poor procedures and practices, poor quality control and poor business management systems.

Knowing defects cause future equipment failures, production downtime, unnecessary costs and lost profits, it is necessary to put defect elimination strategies into place to purposely stop defects occurring and to remove the defects that are already present.

[Read more…]

Filed Under: Articles, Maintenance Management, on Maintenance Reliability, Uncategorized Tagged With: Maintenance program

by Greg Hutchins Leave a Comment

Virtual Decisions: Art and Reality of Indecision

Virtual Decisions: Art and Reality of Indecision

Guest Post by Malcolm Peart (first posted on CERM ® RISK INSIGHTS – reposted here with permission)

“Any decision is better than No Decision” goes the Law of Decision making.  However, sitting on the fence, humming and hawing, chewing the cud, weighing every option, exploring every avenue and leaving no stone unturned can, and often does, eventually amount to, at the end of the day, and in its cold light, without beating about the bush, or wasting any more time…indecision.

Indecision, at least for those affected, leads to a number of things including frustration, demotivation, and anger.  These feelings are not felt by those who dwell in indecision as they are blissfully unaware and are ignorantly oblivious as to the adverse effects of their procrastination.  They are also incognizant as to their responsibility for wasting everybody’s precious time as well as being bewilderingly ignorant that a definitive decision to do nothing may allow for some productive work elsewhere.  But they would rather keep people on tenterhooks and in a state of limbo and avoid any gainful and concurrent activity.  Productivity for them is of no consequence…people can always catch up later…or can they?!

[Read more…]

Filed Under: Articles, CERM® Risk Insights, on Risk & Safety Tagged With: Decision making

by George Williams Leave a Comment

Opportunities for Maintenance and Operations: Rework

Opportunities for Maintenance and Operations: Rework

In our first two videos we discussed alarms and event rates. Today we will be discussing rework. What is rework? How can we identify rework? George has it covered. Check it out this latest video and if you have any questions feel free to leave a comment!

[Read more…]

Filed Under: Articles, on Maintenance Reliability, ReliabilityXperience

by Hemant Urdhwareshe Leave a Comment

Lognormal Distribution, Concepts and Applications

Lognormal Distribution, Concepts and Applications

We are happy to release this video on Lognormal Distribution which is a popular distribution to model failures of non-repairable items. In this video, Hemant Urdhwareshe has explained basic concepts of lognormal distribution and its application examples. Hemant also explains its mathematical relationships to calculate MTTF, standard deviation and other parameters In addition, in the video, Hemant has illustrated how to use Minitab and Excel to visualise Lognormal Distribution. Hemant is a Fellow of ASQ and is ASQ CRE, CMBB, CSSBB, CQE and CMQ/OE. We are sure that viewers will find it useful.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques, Uncategorized Tagged With: Lognormal Distribution

by Ray Harkins Leave a Comment

Strategies and Insights from Diffusion of Innovation

Strategies and Insights from Diffusion of Innovation

Co-authored by Mike Vella and Ray Harkins

Leaders often initiate change. They are expected to develop a vision for their organization (what we want to become) and create a mission (how we are going to get there). This implies that leaders are dissatisfied with the current state and are motivated to work towards a better future.

[Read more…]

Filed Under: Articles, on Tools & Techniques, The Manufacturing Academy Tagged With: Change Management

by Christopher Jackson Leave a Comment

Benchmarking (by definition) Makes you Average. At Best.

Benchmarking (by definition) Makes you Average. At Best.

How heavy should you be? Perhaps this is a sensitive question. The average weight of a human is about 65.2 kg or 143.7 lbs. So if your weight is above this figure, are you ‘too heavy’? Conversely, if you are below this figure, are you ‘too light’? Being over and underweight can bring a whole raft of health consequences. 

Hopefully you would agree with me in saying that the ‘average’ human weight is not a good benchmark to use if you want to get healthier. Or at least it is not the only benchmark you should think about.

But unfortunately … many manufacturers use approaches that are embarrassingly close to this ridiculous approach to continual improvement. 

[Read more…]

Filed Under: Articles, on Product Reliability, Reliability in Emerging Technology Tagged With: Benchmarking

by André-Michel Ferrari Leave a Comment

Transforming FMEAs into RAM Models

Transforming FMEAs into RAM Models

Failure Modes and Effect Analysis (FMEA) is an excellent foundation for Reliability Programs. It is also a stepping stone to build Reliability, Availability, and Maintainability (RAM) models. Here lies the “beauty” of doing Reliability and Maintenance analysis. Whereby information from one analysis can help enhance another analysis.

[Read more…]

Filed Under: Articles, on Maintenance Reliability, The Reliability Mindset Tagged With: Failure Mode and Effects Analysis (FMEA), Reliability Block Diagram (RBD)

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