Chapter 24

A Case Study: Gas Detection System

Abstract

This is a practical case study which enables readers to practice some of the quantification techniques explained throughout the book.

This chapter is a case study based on a typical gas detection system. It provides an example of the safety-integrity targeting described in Chapter 22. The topic is fully covered in The Safety Critical Systems Handbook, D. J. Smith and K. G. L. Simpson, 4th edition, ISBN 978-0-12-805121-4.
Assume that our gas detection system has the primary function of providing an executive action input to some other ‘Emergency Shutdown’ system in order to protect a chemical process plant. This ESD system will close valves in order to isolate the flammable gases so as to prevent ...

Get Reliability, Maintainability and Risk, 9th Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.