This chapter presents the concepts of risk, undesirable events, accidents, severity, frequency and level of risk. It sets out a clearly‐defined lexicon, and also points out the differences between the vocabularies used in different domains. An accident is a situation which may be associated with various types of damage/injury. In land transport accidents can be classified into a number of different categories: system accidents, user accidents, and system/user accidents. Depending on whether the cause is random or deliberate , the terms hazard and threat, respectively, are used. The chapter discusses and presents certain concepts pertaining to safety. For the most part, the perspective adopted is that of the railway domain. In the field of rail transport, two safety enforcement principles are used: probabilistic safety and intrinsic safety. Safety relates to the protection of computer systems from accidents due to the environment, or system errors.
Risk and Safety Integrity Level
2015-04-30
36 pages
Article/Chapter (Book)
Electronic Resource
English
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