Environmental Stress Testing for Robust Designs

There is a rather large family of test methods associated with Qualitative Accelerated Tests. They're also known as RETs (or Reliability Enhancement Tests).

Today, we’re focused on the models that are used to help us with the design. Awareness about these methods will help us with future test plans and project management. We talk about environmental stress testing and remind ourselves a little about HALT.

There are ways to make our designs more robust through qualitative accelerated tests. We make sure we've already clearly defined the operating and use environment of our product; if not, we’ll go back and do that. We can test components and systems at higher stresses to highlight where our designs are weak and then redesign them to be more robust. 

The ultimate goal of a qualitative accelerated test is to identify failures in our product. We study the root causes of those failures to ensure that it’s the type of failure that is something that we’d see in the normal use of the product. And, then we work to eliminate those root causes. 

If we’re in the early stages of product design, consider using qualitative accelerated tests to help you make a more robust design. Contact a reliability engineer to get help and get started. 

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