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All articles listed in reverse chronological order.

by Carl S. Carlson Leave a Comment

Generic Lists of Failure Information – Good Idea or Not?

Generic Lists of Failure Information – Good Idea or Not?

Are generic lists of failure information useful to FMEA teams? Are they a good idea or not?

There is a lot of discussion amongst FMEA practitioners on automating and standardizing FMEAs. In this article, I will discuss the pros and cons of using generic lists of failure modes, effects and causes.

The Oxford English dictionary defines “generic” as “characteristic of or relating to a class or group of things; not specific.” [Read more…]

Filed Under: Articles, Inside FMEA Tagged With: Generic phrases

by André-Michel Ferrari Leave a Comment

Age Related Degradation Variables – Which is the Dominant One?

Age Related Degradation Variables – Which is the Dominant One?

The concept of degradation variables

Assets typically age over time, leading to degraded performance and loss of function. Asset life models are built in order to predict future degradation patterns. Those models are based on asset degradation variables such as time or usage. Those variables could be for example, time between failures or distance covered between failures. Many assets have more than one degradation variable. In this case, it is important to define which of the multiple variables is the dominant one and will subsequently provide the Reliability Engineer with the most precise life model. 

Reliability is a probability. Specifically, the probability that a system will perform its intended function within a specified mission time and under specific process conditions. Therefore, most reliability calculations incorporate a time element as a degradation variable. Generally, when building life models, we default to using calendar time as it is more straightforward. We have had tools to easily measure elapsed calendar time for centuries now. [Read more…]

Filed Under: Articles, on Maintenance Reliability, The Reliability Mindset

by Christopher Jackson Leave a Comment

The (Smaller) Carbon Footprints of Reliability Engineering

The (Smaller) Carbon Footprints of Reliability Engineering

Climate change is universally accepted. And when I say ‘universally,’ I mean that the only people who think it is not a thing are fringe elements of society who are predisposed to specific interpretations of religion or commercial greed that would be harmed by any attack on fossil fuels and the energy we derive from them.

The good thing about this is that organizations who are serious about being successful and profitable can’t do so by sharing the ideology of a small minority. More and more people (including younger humans who will be the decision makers of tomorrow) are demanding more and more from the organizations they buy services and products from – especially when it comes to environmental concerns.

So to be successful, you need to take this stuff seriously.

[Read more…]

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

by JD Solomon Leave a Comment

What is FINESSE? (and how it empowers effective communication)

What is FINESSE? (and how it empowers effective communication)

 

FINESSE is a cause-and-effect approach for effective communication when there are high levels of complexity and uncertainty. Said another way, FINESSE is an approach used for big, strategic decisions that take months or years to make. FINESSE facilitates the memory of effective communication: Frame, Illustrate, Noise, Empathy, Structure, Synergy, and Ethics.

Don’t Use FINESSE if…

Major decisions that take months to resolve, require a significant amount of investment, and involve many people (and some calculations) have complexity and uncertainty. These are the situations where trusted advisors need FINESSE. [Read more…]

Filed Under: Articles, Communicating with FINESSE, on Systems Thinking Tagged With: big decisions, complexity, Effective communication, FINESSE, trusted advisor, uncertainty

by Arun Gowtham Leave a Comment

Only at Scheduled On-Condition Tasks

Only at Scheduled On-Condition Tasks

The falling cost of sensors for Industrial Equipment & the popularity of AI-based solutions means that Organizational teams are defaulting to using this strategy on all their Equipment, regardless of its criticality or other effectiveness. This is a strategic error.

[Read more…]

Filed Under: AI & Predictive Maintenance, Articles, on Maintenance Reliability

by Mike Sondalini Leave a Comment

Safe Work Practice Procedure

Safe Work Practice Procedure

To Embed Safe Work Practices You Write Detailed, Strict Workplace Safety Procedures that Get World Class Job Safety

You must select OHS risk management mitigations appropriate to a job safety hazard using a formal method that delivers safe work practices.

Each task safety control will need to be developed, assessed for suitability, and recorded so it’s clear what the plan is, and how it is to be done.

In the end, there is a practically designed, completely resourced, fully scheduled, and totally sure safe work practice procedure approved for use.

[Read more…]

Filed Under: Articles, Maintenance Management, on Maintenance Reliability

by Greg Hutchins Leave a Comment

The Reckless, the Wreckless & the Aware

The Reckless, the Wreckless & the Aware

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

Risk…it’s everywhere whether the risks are known or unknown, foreseeable or unforeseeable but, as the saying goes, “one person’s risk is another’s opportunity”.

Within this risk-opportunity spectrum we have the risk averse, the risk seeking as well as those who purport to manage risk for their business or personal lives.

We also have those who believe that risk is something that happens to other people and those who believe that Murphy’s Law will always apply to them, always, at all times, and in every circumstance.

[Read more…]

Filed Under: Articles, CERM® Risk Insights, on Risk & Safety

by Larry George Leave a Comment

Proportional Hazards Reliability of Hysterecal Recurrent Processes?

Proportional Hazards Reliability of Hysterecal Recurrent Processes?

Generations of products have similar field reliability functions because they are designed, processed, shipped, sold, and used in similar environments by similar customers. Replacement parts have similar reliability functions depending on replacement number: 1st, 2nd,…. 

Biostatisticians use David Cox’ proportional hazard (PH) survival function models to quantify effects of treatment or risk factors. Proportional hazard models could describe product’s failure modes, parts’ reliabilities in successive replacements, or products’ reliabilities in successive generations. [Read more…]

Filed Under: Articles, on Tools & Techniques, Progress in Field Reliability?

by Ray Harkins 2 Comments

Enhancing Engineering Problem-Solving with the Six Hats Method

Enhancing Engineering Problem-Solving with the Six Hats Method

As engineering professionals, we’re no strangers to complex problem-solving scenarios that demand rigorous analysis, innovative thinking, and efficient decision-making. Whether it’s designing new components, optimizing processes, or addressing infrastructure challenges, our success hinges on our ability to approach problems with a structured and creative mindset. 

One method that can significantly boost our problem-solving prowess is the “Six Hats Method” – a systematic approach that allows us to don different thinking hats, unlocking diverse perspectives for comprehensive and effective solutions. Let’s see how the Six Hats Method can empower engineering professionals to navigate challenges with clarity, focus, and ingenuity.

[Read more…]

Filed Under: Articles, on Tools & Techniques, The Manufacturing Academy

by Sanjeev Saraf Leave a Comment

Biodiesel Accident Trend Continues In 2010

Biodiesel Accident Trend Continues In 2010

In a number of my previous blog posts, I have emphasized the disturbing trend of fires and explosions in the biodiesel and biofuel industry.

Based on the statistics, the biodiesel industry in the US is experiencing an incident every two-and-a-half months, i.e. approx. 10 weeks.

[Read more…]

Filed Under: Articles, on Risk & Safety, Operational Risk Process Safety

by André-Michel Ferrari Leave a Comment

Using RAM Models in Contracts

Using RAM Models in Contracts

Reliability, Availability, and Maintainability (RAM) modeling overview

The concept of Reliability Block Diagrams (RBD) is also known as Reliability Modeling or Reliability, Availability, Maintainability (RAM) analysis. With RAM models, the interaction of large, complex, and multi-layered systems can be analyzed using Monte Carlo simulation methods. This help quantify the output of the entire system with greater accuracy than other estimating tools or methods. [Read more…]

Filed Under: Articles, on Maintenance Reliability, The Reliability Mindset

by JD Solomon Leave a Comment

The Fortune 500 and a Deceptive Communication Practice

The Fortune 500 and a Deceptive Communication Practice

Using shapes as a deceptive communication practice is an old trick used for manipulation by one side of an argument. The good news is that Fortune gets it right in its annual publication of Fortune 500 companies. Fortune correctly uses two-dimensional shapes (circles) to depict one-dimensional values such as annual revenues. We’ll discuss this data visualization trick in this brief article.

The Trick

Suppose your total revenues were $100 per month, and your leading competitor had total revenues of $10 per month. Clearly, you are ten times stronger from a total revenue perspective from your competitor. A one-dimensional graph, such as a bar chart, makes an honest visual representation of the difference.

[Read more…]

Filed Under: Articles, Communicating with FINESSE, on Systems Thinking Tagged With: communication tips, communication tricks, ethics, FINESSE, visualization

by Gabor Szabo Leave a Comment

Is Everything in Order?

Is Everything in Order?

Hopefully, you have already seen that utilizing R for engineering can unlock a host of powerful tools and techniques and give you the power of data visualization.

In using R, you will likely work with various objects (data files, scripts, analyses, reports etc.). As with other things, creating structure for how you accomplish things in R can be important for both effectiveness and efficiency.

[Read more…]

Filed Under: Articles, on Tools & Techniques, R for Engineering

by Arun Gowtham Leave a Comment

Understanding Anomaly Detection (AD) with the P-F Curve

Understanding Anomaly Detection (AD) with the P-F Curve

In the previous article, P-F Curve was used to understand the Remaining useful life (RUL) of an asset. RUL can be estimated at any time during the asset’s life, but it’s opportune to calculate RUL at the time ‘t’ when the asset shows signs of an impending failure. In the P-F Curve terminology the point at which the asset shows signs of failure is called the Potential Failure Point (Pf), which can also be stated as the time of anomalous behavior. The exercise of detecting anomalous behavior is called “Anomaly Detection (AD)”.

[Read more…]

Filed Under: AI & Predictive Maintenance, Articles, on Maintenance Reliability

by Mike Sondalini Leave a Comment

The Value of Precision Quality Standards

The Value of Precision Quality Standards

When equipment working parts are operated within their precision quality standard zones, world-class reliability is guaranteed.

The figures below demonstrates the importance of setting precision quality standards to achieve outstanding equipment reliability. It comes from a conference presentation on the production equipment reliability improvement in a steel mill in Australia.

[Read more…]

Filed Under: Articles, Life Cycle Asset Management, on Maintenance Reliability

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