3 Elements of Component Reliability

DOI: 10.1201/9781003307495-3

In this chapter, we discuss the basic elements of component reliability estimation. We start with a mathematical definition of reliability and define commonly used terms and metrics. These definitions also apply to physical items of various complexity (e.g., components, subsystems, systems). We then focus on the use of probability distributions in component reliability analysis in the rest of the chapter.

3.1 Definitions for Reliability

Reliability has many connotations. In general, it refers to an item’s ability to successfully perform an intended function during a mission. The longer the item performs its intended function without failure, the more reliable it is. There are ...

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