A probabilistic cognitive simulator for HRA studies (PROCOS)

Abstract

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. r

Estimating the Influence of Improper Workplace Environment on Human Error: Posterior Predictive Analysis

“…Although the CREAM incorporates psychological factors (e.g., inattention and missing observations) in the mechanisms of influence between the workplace environment and human errors, studies show that the application of HRA in various industries also shares common defects [31,32] as follows:…”

Hazard and operability (HAZOP) analysis. A literature review

“…However, some problems remain, such as eliminating redundant consistent paths, and overcoming inherent qualitative ambiguities by combining SDG with quantitative information. Other recent work is described in references [158][159][160]. Guimarães and Franklin [158] developed a methodology which uses risk priority number for scale any parameter characteristics of the system and a fuzzy inference system for estimating risk from expert opinion about the quantification of the linguistic variables, named FuzzyHAZOP rpn.…”

“…Guimarães and Franklin [158] developed a methodology which uses risk priority number for scale any parameter characteristics of the system and a fuzzy inference system for estimating risk from expert opinion about the quantification of the linguistic variables, named FuzzyHAZOP rpn. Finally, in [159], Trucco and Leva developed a simulator for approaching human errors in complex operational frameworks (e.g., plant commissioning). The authors integrated the quantification capabilities of human reliability assessment (HRA) methods with a cognitive evaluation of the operator.…”

An automated system for batch hazard and operability studies

“…Besides the basic set of deviation guidewords used in continuous processes the HAZOP of batch processes requires extra time-related guidewords. Bickerton [9] , Mushtaq & Chung [10] and Trucco & Leva [11] define several extra guidewords shown in table 1.…”