Human reliability analysis—Taxonomy and praxes of human entropy boundary conditions for marine and offshore applications

S. B. El-Ladan, O. Turan

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20 Citations (Scopus)

Abstract

This is the first stage towards the development of a human reliability model called human entropy (HENT). The paper presents qualitative and quantitative taxonomies and praxes of performance shaping factors (PSF) for Marine and Offshore operations. Three structured and guided expert elicitation methods were used in this study. The experts interrogated accident reports and databases from which the generic root causes of failures/accidents in operations are determined. The elicitations led to the development of 9 qualitative and quantitative human influencing factors, which are called Human Entropy Boundary Conditions (HEBC). Further explications of the 9 HEBC gave birth to 137 quantifiable explanatory variables, which are called hypothetical constructs (HyC). The HyCs are used to identify potential risks due to shrinkages in safety standards. Human entropy is a detour from traditional human error and was used as a result of tripartite human failure modes; error, local rationality and extraneous acts, all of which signify disorderliness and are seemingly inevitable in maritime operations. The praxes and scaling of HEBC was developed as guidance towards a practical oriented HRA and provide inputs for measuring human disorderliness in maritime operations.
Original languageEnglish
Pages (from-to)43-54
Number of pages12
JournalReliability Engineering and System Safety
Volume98
Issue number1
DOIs
Publication statusPublished - Feb 2012

Fingerprint

Entropy
Boundary conditions
Accidents
Elicitation
Taxonomies
Human engineering
Failure modes
Human Error
Human
Human Factors
Failure Mode
Shrinkage
Rationality
Taxonomy
Guidance
Safety
Roots
Scaling

Keywords

  • latent variables
  • praxes
  • tripartite
  • taxonomy
  • hypothetical constructs
  • entropy

Cite this

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