Characterization of operating safety
Operating safety: methods for controlling risks
Article REF: BM5008 V1
Characterization of operating safety
Operating safety: methods for controlling risks

Author : Yves MORTUREUX

Publication date: January 10, 2005 | Lire en français

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1. Characterization of operating safety

Dependability is perhaps first and foremost a state of mind, rather than a set of methods. What characterizes this spirit?

1.1 Be realistic about the entities you are dealing with

A component or sub-system can fail. A person may perform an activity other than that prescribed. Environmental conditions may be unfavorable, etc.

Dependability means not considering a system solely in terms of its specifications, as if its behavior and effects were never to be anything other than those for which it was designed.

Example

a bicycle brake is designed, manufactured and installed to slow and stop the bicycle.

Firstly, the SoF takes it for granted that it...

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