Musings on Reliability and Maintenance Topics

Time Compression Accelerated Life Testing

Time Compression ALT — The Easy One

The easiest ALT is one that you operate an item more often then operated by the customer. Removing spans of time the item is not being bent, moved, heated, etc allows you…

Time Compression Accelerated Life Testing

Time Compression ALT — The Easy One

Uncertainty and Risk Management

Uncertainty and Risk Management

We are rather good at being surprised when setting expectations for the future. This is the essence of risk. The difference between what we expect to occur or would like to occur, and what does…

The Connection of Reliability and Customer Expectations

Customers Experience Product Reliability in Real Time

In a customer’s mind, the product works or it doesn’t. If it doesn’t work as expected it has failed. This may or may…

Use and Environmental Profiles

Use / Environmental profiles

Did you know that hot air doesn’t rise when there is no or very little gravity?

The electronics used to steer an oil exploration drill head 5 miles deep in the earth…

Performing the Right Correcting Action

Performing the Right Corrective Action

When something doesn’t work as expected, it is a failure. A common response to a failure by an organization is to restore the system or remedy the situation.

The Environmental and Use Manual

Environmental and Use Manual

Overview of System Reliability Modeling

Building and Using a Reliability Model

The Many Ways We Use Variance

The term variance is a statistical concept related to the spread or dispersion of a set of data. Second to…