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Home » Articles » Page 2

Articles

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

by Hemant Urdhwareshe Leave a Comment

Measurement Systems Analysis using SigmaXL software

Measurement Systems Analysis using SigmaXL software

Dear friends, many of the viewers had requested for an introductory video on measurement systems analysis (MSA) and Gauge Repeatability and Reproducibility (R&R) Study. We are happy to release this video on MSA! In this video, Hemant Urdhwareshe, Fellow of American Society for Quality, and ASQ Certified Six Sigma Master Black Belt, explains the terminology of measurement systems and also illustrates how to conduct, analyse and interpret the results of a Gauge R&R Study. Hemant has illustrated this with an application example using template from SigmaXL software. Your feedback on the video is welcome!

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by JD Solomon Leave a Comment

A Practical Path to Better Asset Prioritization and Critical Assets

A Practical Path to Better Asset Prioritization and Critical Assets

You will quickly run out of time, budget, and patience if your organization treats every asset as if it were the center of the universe. The Solomon-Oldach Asset Prioritization (SOAP) method offers a practical, facilitation-friendly approach for identifying which assets matter most. SOAP was developed as a streamlined alternative to the exhaustive (and exhausting) criticality assessments that often bog down teams. SOAP delivers a defensible, operationally relevant ranking of critical assets and systems with a fraction of the effort involved in traditional processes. [Read more…]

Filed Under: Articles, Communicating with FINESSE, on Systems Thinking Tagged With: Criticality, Prioritization

by André-Michel Ferrari Leave a Comment

Failure free? How come?

Failure free? How come?

Parameter Definition in Statistics

In statistics, parameters are numerical characteristics that describe a population or distribution. They summarize important aspects of the population. For example, in a normal distribution, the mean and variance are key parameters that define the distribution. Parameters are often denoted by Greek letters (e.g., μ for mean) and are used to create a parametric family, which consists of all distributions defined by the same parameters.

There is typically at least one parameter in every distribution. Some distributions can have different multiples of parameters. The exponential can have up to two, the lognormal have up to 3. This article deals with the Weibull distribution which can have 2 or 3 parameters.

[Read more…]

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

by Fred Schenkelberg Leave a Comment

When Do Failures Count?

When Do Failures Count?

One technique to calculate a product’s MTBF is to count the number of failures and divide by the tally of operating time.

You already know, kind reader, that using MTBF has its own perils, yet it is done. We do not have to look very far to see someone estimating or calculating MTBF, as if it were a useful representation of reliability… alas, I digress.

Counting failures would appear to be an easy task. It apparently is not. [Read more…]

Filed Under: Articles, NoMTBF

by Semion Gengrinovich Leave a Comment

Correlation vs. Causation

Correlation vs. Causation

In the field of reliability engineering, distinguishing between correlation and causation is essential for accurately identifying the root causes of system failures and ensuring the reliability of engineered systems.

Correlation refers to a statistical relationship between two variables where changes in one variable are associated with changes in another. However, this relationship does not imply that one variable causes the other to change. For example, an increase in ice cream sales and shark attacks are correlated because both increase during the summer, but one does not cause the other.

[Read more…]

Filed Under: Articles, on Product Reliability, Reliability Knowledge

by Ray Harkins Leave a Comment

Making Sense of Gage R&R Analysis

Making Sense of Gage R&R Analysis

(Originally published in Quality Magazine, October 2025)

The term Measurement Systems Analysis (MSA) refers to a collection of experimental and statistical methods designed to evaluate the error introduced by a measurement system, and the resulting usefulness of that system for a particular application. In manufacturing, measurement system quality directly affects decisions about processes, products, and a manufacturer’s ability to meet their customer’s requirements.

[Read more…]

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

by Mike Sondalini Leave a Comment

Never, Never, Never Use FRACAS Like This 

Never, Never, Never Use FRACAS Like This 

 The article was written to cause people to question traditional approaches to FRACAS. In time senior managers in companies will come to realise that FRACAS has little chance of successfully improving their company. They then can instead look for what does work to move their operations to world class production performance.

[Read more…]

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

by James Reyes-Picknell Leave a Comment

“Uptime”, will There be a Fourth Edition?

“Uptime”, will There be a Fourth Edition?

Uptime is now in its 3rd edition

My book, “Uptime – Strategies for Excellence in Maintenance Management”, now in its 3rd edition includes a chapter on “Evidence Based Asset Management”. It emphasizes the use of historical data, enhanced (substantially in most cases) by “evidence” from experts obtained through a structured interview process of “knowledge elicitation.”

The questions asked are not leading, they are designed to get at reliability related information from the experiences of those who generally do not understand the mathematics of reliability. That process is painstakingly accurate and tedious. Projects that I was involved in, involved highly educated reliability and data science experts, and took upwards of 6 months to produce analytical results that could be used.

[Read more…]

Filed Under: Articles, Conscious Asset, on Maintenance Reliability

by Greg Hutchins Leave a Comment

Rise and Fall of Bullsh*t Jobs

Rise and Fall of Bullsh*t Jobs

Don’t limit yourself. Many people limit themselves to what they think they can do. You can go as far as your mind lets you. What you believe, remember, you can achieve. ~Mary Kay Ash – Entrepreneur

Almost 40% of people according to surveys say their work and jobs make little difference to the organization, customer or marketplace. OK! So why do these jobs exist in VUCA time? Great question.

[Read more…]

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

by George Williams Leave a Comment

Empowerment

Empowerment

True empowerment isn’t just a buzzword—it’s a crucial element in effective leadership. In this video, George Williams, Founder and CEO of Reliability X, breaks down the last building block of the Leadership domain within the Maintenance and Reliability Best Practices (MRBP) framework.

Empowerment requires more than a simple declaration—it takes confidence, knowledge, training, and the right organizational culture to truly make a difference. Learn how leaders can create an environment where empowerment thrives, fostering innovation and driving success.

[Read more…]

Filed Under: Articles, on Maintenance Reliability, ReliabilityXperience

by Nancy Regan Leave a Comment

5 Essential Skills Every RCM Facilitator Needs

5 Essential Skills Every RCM Facilitator Needs

In today’s video, we’ll outline the educational background and work experience required for an RCM Facilitator, as well as the essential skills and abilities necessary for effective RCM Facilitation.

[Read more…]

Filed Under: Articles, Everyday RCM, on Maintenance Reliability

by Hemant Urdhwareshe Leave a Comment

Weibull Probability Plotting of Right Censored Data on Excel

Weibull Probability Plotting of Right Censored Data on Excel

Dear friends, We are happy to release this 97th video! Many of you have requested to make this video on Weibull Probability Plotting of Right Censored Data. In this video, Hemant Urdhwareshe, Fellow of ASQ, explains how to construct a Weibull Probability Plot when the data is Right Censored!

Hemant has illustrated the complete procedure, step by step, using Microsoft Excel, with an Application Example!

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Fred Schenkelberg Leave a Comment

Sample Size and Duration and MTBF

Sample Size and Duration and MTBF

Sample Size and Duration and MTBF

If you have been a reliability engineer for a week or more, or worked with a reliability engineer for a day or more, someone has asked about testing planning. The conversation may have started with “How many samples and how long will the test take?”

You have heard the sample size question.

[Read more…]

Filed Under: Articles, NoMTBF

by Semion Gengrinovich Leave a Comment

Importance of Failure Repeatability

Importance of Failure Repeatability

The importance of failure repeatability lies in its role in understanding and improving systems, processes, and products. Failure repeatability refers to the consistency with which a system or device can reproduce an outcome under unchanged conditions.

In the context of product design, engineering, and testing, being able to consistently replicate a failure means that the underlying cause can be more accurately identified and addressed.

[Read more…]

Filed Under: Articles, on Product Reliability, Reliability Knowledge

by Greg Hutchins Leave a Comment

Measuring the Success of Your Risk Management Program

Measuring the Success of Your Risk Management Program

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

We see the value of enterprise risk management everywhere we look. We see it in the news, we can see it in our customers’ success, We can even see it on the roads in speed limit signs. We know that risk management is deeply enmeshed in both the success and failures of the corporate world and beyond.

However, as you lobby for the support your ERM program needs, you may find yourself battling a more skeptical outlook. When we think about how to justify risk management, we’re often reminded of an old saying: “How many ships have I saved by erecting a lighthouse?” It’s hard to quantify the value of a preventative measure, which is exactly what a risk management program does.

[Read more…]

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

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