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Human factors approach to the acquisition and evaluation of NDT data

  • This paper gives an introduction to the field of human factors with the focus on their influence on the reliability of NDT in the nuclear energy production (in-service inspections) and final storage of highly radioactive nuclear waste. A set of methodological tools has been developed in the scope of three projects, namely: 1) a theoretical model describing potential human factors influencing manual ultrasonic inspection performance during inservice inspections in nuclear power plants; 2) a method for identifying potential human errors during acquisition and evaluation of data gathered with mechanized ultrasonic, radiographic and eddy-current systems, as well as visual testing with a remote camera (Failure Modes and Effects Analysis, FMEA); and 3) use of eye tracking methodology to optimize existing procedures and practices. The experimental results have shown that time pressure, mental workload and experience influence the quality of the inspection performance. Noticeable wereThis paper gives an introduction to the field of human factors with the focus on their influence on the reliability of NDT in the nuclear energy production (in-service inspections) and final storage of highly radioactive nuclear waste. A set of methodological tools has been developed in the scope of three projects, namely: 1) a theoretical model describing potential human factors influencing manual ultrasonic inspection performance during inservice inspections in nuclear power plants; 2) a method for identifying potential human errors during acquisition and evaluation of data gathered with mechanized ultrasonic, radiographic and eddy-current systems, as well as visual testing with a remote camera (Failure Modes and Effects Analysis, FMEA); and 3) use of eye tracking methodology to optimize existing procedures and practices. The experimental results have shown that time pressure, mental workload and experience influence the quality of the inspection performance. Noticeable were influences from the organization of the working schedule, communication, procedures, supervision and demonstration task. Implementing human redundancy in critical tasks, such as defect identification, as well as using an automated aid (software) to help operators in decision making about the existence and size of defects, could lead to other kinds of problems, namely social loafing (excerpting less effort when working on tasks collectively as compared to working alone) and automation bias (uncritical reliance on the proper function of an automated system without recognizing its limitations and the possibilities of automation failure) that might affect the reliability of NDT in an undesired manner.zeige mehrzeige weniger

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Autor*innen:Marija Bertovic, B. Fahlbruch, Christina Müller, J. Pitkänen, U. Ronneteg, Mate GaalORCiD, Daniel Kanzler, Uwe Ewert, D. Schombach
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):18th WCNDT - World conference on nondestructive testing (Proceedings)
Jahr der Erstveröffentlichung:2012
Erste Seite:1
Letzte Seite:10 (Paper 198)
Freie Schlagwörter:4-Eye Principle; Automation Bias; Eye Tracking; Failure Modes and Effects Analysis (FMEA); Human Factors; In-Service Inspection (ISI); Nuclear Power Plants; Nuclear Waste Storage; Time Pressure
Veranstaltung:18th WCNDT - World conference on nondestructive testing
Veranstaltungsort:Durban, South Africa
Beginndatum der Veranstaltung:16.04.2012
Enddatum der Veranstaltung:20.04.2012
ISBN:978-0-620-52872-6
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:20.02.2016
Referierte Publikation:Nein
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