CHAPTER 21
Reliability
Statistics plays an important part in reliability studies but represents only a part of the mathematical theory involved. Reliability of a component, machine, or system can be defined as the probability that it will perform its required function in the desired manner under the operating conditions when it is required to so perform. Reliability, R, is thus a probability with a value between 0 and 1, 0 representing immediate failure and 1 representing the (impossible) situation of never suffering failure. The probability of failure is 1 – R.
Basic Principles
Machines and systems consist of many components. Components themselves consist of assemblies of parts. Failure of a single part may ...
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