As I’ve said before, ‘Reliability occurs at the point of decision’. When an engineer selects one material type versus another, or one component versus another, or a vendor over another, those are decisions. These decision directly impact the product’s reliability performance.

Implied within each decision is a question. For example, when deciding on a vendor to provide power supplies, the underlying question is ‘which vendor should we select in this situation?’ We make decisions to resolve questions concerning optimizations, comparisons, objectives, measurements, preventions, priorities, and resources. Continue reading →