Reliability, Maintainability and Risk, 9th Edition

Chapter 15

Predicting and Demonstrating Repair Times

Abstract

This chapter describes, in detail, a method for predicting mean repair times and explains the need for a weighted average based on relative failure rates. Statistical demonstration of repair times with the associated producer and consumer risks are also explained.

Keywords

Design feature

skills

facilities

weighted

sampling

15.1. Prediction Methods

The best-known methods for maintainability prediction are described in US Military Handbook 472. The methods described in this handbook, although applicable to a range of equipment developed at that time, have much to recommend them and are still worth attention. Unfortunately, the quantity of data required to develop these methods of prediction ...