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Journal Article

Citation

Mikela Chatzimichailidou M, Dokas IM. Ergonomics 2015; 59(3): 409-422.

Affiliation

Department of Civil Engineering , Democritus University of Thrace , Vassilisis Sofias 12, 67100 , Xanthi , Greece.

Copyright

(Copyright © 2015, Informa - Taylor and Francis Group)

DOI

10.1080/00140139.2015.1075067

PMID

26230156

Abstract

This paper introduces the RiskSOAP (1) (1) 'RiskSOAP' is the abbreviation for Risk SituatiOn Awareness Provision. indicator to measure the capability of a complex socio-technical system to provide its agents with Situation Awareness (SA) about the presence of its threats and vulnerabilities and enables analysts to assess Distributed SA (DSA). The RiskSOAP methodology adopts a comparative approach between two design versions of a system differing in the elements and characteristics that can enhance or cause the degradation of the awareness provision capability. The methodology uniquely combines three methods: (1) the STPA hazard analysis, (2) the EWaSAP early warning sign identification approach, and (3) a dissimilarity measure for calculating the distance between binary sets. In this paper the RiskSOAP methodology was applied to a robotic system and the findings show that the indicator is an objective measure for the system's capability to provide its agents with SA about its threats and vulnerabilities. Practitioner summary: This paper suggests a novel methodology for assessing Distributed Situation Awareness (DSA) regarding safety issues. Given that systems consist of specifications and components possible to be mapped, the risk SA provision capability (RiskSOAP) methodology demonstrates the feasibility of measuring to what extent systems' elements contribute to the emergence of DSA.


Language: en

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