Reliability is Not Metrics, It’s Decision Making
MTBF, KPIs, yield, return rate, warranty… bah!
We may use one or more of these when establishing product reliability goals. When tracking performance. When making decisions.
Goals, objectives, specifications, and requirements, are stand-ins for the customer’s experience with the product.
We’re not trying to reduce warranty expenses or shouldn’t be solely focused on just that measure. We need to focus on making decisions that allow our product deliver the expected reliability performance to the customer. Continue reading “Reliability is Not Metrics, It’s Decision Making”
Reliability Goal and Confidence
We establish reliability goals and measure reliability performance.
They are not the same thing. Goals and measures, while related, are not the same nor serve the same purpose. Continue reading “The Relationship Between Reliability Goals and Confidence”
When Your Supplier Converts Reliability to MTBF
Oh, the trouble that will occur. The mistakes, mishaps and errors and most certainly the inability of the supplier to provide a reliability solution.
If you provide the supplier with a straightforward and complete reliability goal, and they convert it to an single number as an MTBF value, what really could go wrong? Also, why would the supplier degrade the requirement to an MTBF value? Continue reading “When Your Supplier Converts Reliability to MTBF”