Abstract
Failure Modes and Effects Analysis (FMEA) is a well established safety analysis technique used for the assessment of safety critical engineering systems in the automotive industry. Although FMEA ha ...
Highlights
Failure Modes and Effects Analysis (FMEA) is an inductive technique in which analysts study a system to identify the potential component failure modes and infer the effects of those failure modes on the rest of the system
There are other safety analysis approaches that can take sequences into account, e.g. the Markov analysis used in Dynamic Fault Trees, and there are other approaches which take into account combinations of multiple failures, e.g. Fault Trees or Event Trees, the approach presented in this paper aims to combine these capabilities in FMEA to provide a more accurate overview of the system than is possible using traditional FMEA, rather than to provide an alternative to detailed analysis of certain scenarios using Event Trees or Markov chains
Sometimes the sequence of events can make a major difference to the criticality of a system failure or even reveal that a system failure may not occur at all if events occur in a certain sequence
Summary
Failure Modes and Effects Analysis (FMEA) is an inductive technique in which analysts study a system to identify the potential component failure modes and infer the effects of those failure modes on the rest of the system. System models, such as engineering diagrams or functional block diagrams, are typically used to assist the analysts in understanding how component failures can affect other parts of the system. The analysis typically remains incomplete, being restricted to the assessment of the effects of single component failures, as exhaustive assessment of combinations of failures is very difficult to achieve in large systems.
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