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Reliability, Maintainability and Risk, 9th Edition by David J. Smith

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Chapter 7

Basic Reliability Prediction Theory

Abstract

This chapter covers the underpinning probability theory as it relates to reliability prediction. Basic formulae for series and redundant configurations are developed. Different types of redundancy (active, partial, standby, dissimilar) are covered.

Keywords

Probability
binomial
redundant
series
parallel
active redundancy
standby redundancy

7.1. Why Predict RAMS?

Reliability prediction (i.e. modeling) is the process of calculating the anticipated system RAMS from assumed component failure rates. It provides a quantitative measure of how close a proposed design comes to meeting the design objectives and allows comparisons to be made between different design proposals. It has already been emphasized ...

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