Fallback level
Fallback (English fallback level ) is a term used in safety technology and reliability theory, often in the rail sector and in the information security is used. The term is also used in automotive engineering, for example in the design of braking systems or steering.
A fallback level represents a secondary system, the at failure of a primary system, a protection against a threat provides or prevents the catastrophic failure of the entire system, often while maintaining a reduced operation quality. A term used in the same way is the so-called limp-home state, i.e. a state that makes it possible to "limp" home.
literature
- Karl-Heinrich Grote, Jörg Feldhusen (Ed.): Dubbel . Paperback for mechanical engineering, 22nd edition. Springer Verlag Berlin Heidelberg, Berlin Heidelberg 2007, ISBN 978-3-540-49714-1 .
- Hermann Winner, Stephan Hakuli, Gabriele Wolf (eds.): Handbook of driver assistance systems. 2nd Edition. Vieweg + Teubner, Wiesbaden 2012, ISBN 978-3-8348-1457-9 .