Tag: Failure rate
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Conditional failure probability, reliability, and failure rate
What is the relationship between the conditional failure probability H(t), the reliability R(t), the density function f(t), and the failure rate h(t)? In the article Conditional probability of failure we showed that the conditional failure probability H(t) is: X is the failure time. By definition the denominator is the survival or reliability function at time t, i.e. P(X>t)…
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PF interval from the failure rate
How can the PF interval be determined from the failure rate? You can’t know the PF interval directly from the failure rate. The PF interval is unrelated mathematically to the failure rate. It is the lead time between the ability to detect a failure process and the actual loss of function. The PF interval can…