@article{ref1,
title="Redundancy for on-line computer control systems",
journal="Reliability engineering",
year="1983",
author="Johnson, E.",
volume="4",
number="2",
pages="105-125",
abstract="Having decided to install an on-line computer control system on a chemical plant the following questions usually arise: 'How often will the system fail?'; 'What is to be done when it does fail?'; 'What size of insurance policy, in the form of redundant equipment, should be taken out?'.In this paper an attempt is made to answer these questions by considering a number of computer systems where redundant equipment is used with the object of improving the overall system reliability. A comparison of the reliability of four different systems is given, together with some of the pitfalls to be avoided when installing a computer, e.g. common mode.<p />",
language="",
issn="0143-8174",
doi="10.1016/0143-8174(83)90003-3",
url="http://dx.doi.org/10.1016/0143-8174(83)90003-3"
}