HRA Cognitive simulation Error recovery Commissioning
Trucco P., Leva M.C, A Probabilistic Cognitive Simulator For HRA Studies (PROCOS) , Reliability Engineering and system Safety, 92, (8), 2007, p1117 - 1130
Reliability Engineering and system Safety;92, 8
The paper deals with the development of a simulator for approaching human errors in complex operational frameworks (e.g., plant commissioning). The aim is to integrate the quantiﬁcation capabilities of the so-called ‘ﬁrst-generation’ human reliability assessment (HRA) methods with a cognitive evaluation of the operator. The simulator allows analysing both error prevention and error recovery. It integrates cognitive human error analysis with standard hazard analysis methods (Hazop and event tree) by means of a ‘semi static approach’. The comparison between the results obtained through the proposed approach and those of a traditional HRA method such as human error assessment and reduction technique, shows the capability of the simulator to provide coherent and accurate analysis.
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