This is our second article about the 3 ways to do reliability allocation. In the first article, we set the scene. We talked about the reliability design cycle that needs to be implemented to make sure what we do will actually work. Will actually matter. In this article, we go through the six steps of reliability allocation. You need to do the preparation work first. But … we are all about keeping it simple. Making it exhaustive and complicated means you are wasting your time.

If you want to learn more about a straightforward approach to reliability allocation – read this!

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If we have even a moderately complex product, we often need to break up our design team into smaller groups. Perhaps electronic, mechanical and hydraulic teams. Perhaps teams for specific functional components. And these teams need to work at least partially independently. So what do we do if we have a system reliability goal? What goals do we pass on to our smaller teams? This is where reliability allocation comes into play. Reliability allocation is often portrayed as a very complex, very involved and extremely exhaustive process. It should never be! In fact – the more exhaustive you make, the less likely it is to work.

If you want to learn more about a straightforward approach to reliability allocation – read this!

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As we make things to be more and more reliable, it gets harder and harder to make them fail in reliability tests. On the one hand – that’s great. On the other hand – that sucks if we want to use testing to help measure reliability. So if we are focused on measuring reliability through testing, we need to make our product or system fail in test conditions (without making it less reliable) but make sure these test conditions can somehow be translated back to how customers are going to use it. This is where accelerated testing comes in. [Read more…]