Top stories published by Musings on Reliability and Maintenance Topics in 2015

Fault Tree Analysis (FTA) is technique to explore the many potential or actual causes of product or system failure. Best applied when there are many possible ways…

Fred Schenkelberg in Musings on Reliability and Maintenance Topics

May 28, 2015

Reliability and Root Sum Squared Tolerances

Root Sum Squared Method

The root sum squared (RSS) method is a statistical tolerance analysis method. In many cases the actual individual part dimensions fall near the center of the tolerance range with very few…

Fred Schenkelberg in Musings on Reliability and Maintenance Topics

Jun 4, 2015

Reliability and Monte Carlo Determined Tolerances

Monte Carlo Method

In the Monte Carlo method one uses the idea that not all parts have the same dimensions, yet a normal distribution describing the variation of the part dimensions is not assumed. Although…

Fred Schenkelberg in Musings on Reliability and Maintenance Topics

May 21, 2015

Reliability and Worst Case Analysis

Worst-Case Tolerance Analysis

Worst-case tolerance analysis is the starting point when creating a tolerance specification. It is a conservative approach as it only considers the maximum or minimum values of part variation…

Fred Schenkelberg in Musings on Reliability and Maintenance Topics

Jul 12, 2015

The Wald Wolfowitz Run Test for Two Small Samples

This nonparametric test evaluates if two continuous cumulative distributions are significantly different or not. For example, if the…

Fred Schenkelberg in Musings on Reliability and Maintenance Topics

Sep 10, 2015

Reliability Benefits of Alpha and Beta Testing

Alpha/Beta Testing

Your customers are you best testers for your next product. They will explore the features. Expose the product to use conditions in unconscious ways. And, they will let you what they consider…

Fred Schenkelberg in Musings on Reliability and Maintenance Topics

Apr 5, 2015

Preventive Maintenance Goals and Activities

Preventive Maintenance or PM, is a set of inspections and tasks that help prevent equipment from failing. Keeping equipment operating improves plant…

Fred Schenkelberg in Musings on Reliability and Maintenance Topics

Sep 3, 2015

Mechanical Systems Reliability Testing

Mechanical Systems Accelerated Life or Reliability Testing

Mechanical systems wear out and fail eventually. The ability of a structure to support a load, move though the specified range of motion…

Fred Schenkelberg in Musings on Reliability and Maintenance Topics

Oct 22, 2015

Failure Analysis: The Key to Learning From Failure

What have you really learned from failure?

Why do so many avoid failure? In product development of plant asset management, we are surrounded by people that steadfastly do not want to know…

Fred Schenkelberg in Musings on Reliability and Maintenance Topics

Dec 17, 2015

Reliability Modeling using Monte Carlo

Modeling Complex Systems and Their Variability

Monte Carlo relies on data that describes the variation of elements within the system. It also connect the elements such that they result is an estimate of…

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These were the top 10 stories published by Musings on Reliability and Maintenance Topics in 2015. You can also dive into monthly archives for 2015 by using the calendar at the top of this page.

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Musings on Reliability and Maintenance Topics

Short essays and thoughts (musings) on reliability and maintenance engineering topics.

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