Epistemiation

Author(s):  
Ronald L. Boring ◽  
Roger Lew ◽  
Thomas A. Ulrich

The Guideline for Operational Nuclear Usability and Knowledge Elicitation (GONUKE) outlines multiple types and stages of human factors evaluation to support system design activities. Originally developed to support human factors requirements for control room modernization at nuclear power plants, GONUKE includes verification, validation, and epistemiation. Epistemiation is a novel term for the process in which knowledge from expert users is elicited to shape the design of the system. Especially in the case of control rooms, the importance of knowledge transfer between expert operators and system designers may prove more beneficial than traditional verification and validation. This paper outlines epistemiation, provides background on expert users, and illustrates the process through a case study. Although GONUKE and epistemiation are native to nuclear power applications, the approach is generalizable to other domains that feature expert users.

Author(s):  
Daniel Tasset ◽  
Jean-Paul Labarthe

The French N4 reactor series is the new generation of reactors in France. One of its innovations consists in a computerized man-machine operating system, that has some impact on operation in normal as well as in incident and accident situation. This paper describes how human factors aspects are taken into account during the safety assessment and approval process, and what main lessons can be gained from this experience as regards human factors and safety in the design and evaluation of a computerized control room.


Author(s):  
Stephen A. Fleger ◽  
Michael R. McWilliams

This paper presents the results of a preliminary assessment of human factors concerns associated with the six reactor control rooms at the Kozloduy Nuclear Power Plant in Bulgaria. This initiative was sponsored by the Committee of Energy, Bulgaria, as part of a multi-faceted project that examined emergency operating procedures, training, and risk-based maintenance practices at Kozloduy. The goal of the study was to determine the overall adequacy of the interfaces, from a human error prevention perspective, between operator and plant processes as found in the control rooms, and if warranted, to develop a program plan for conducting subsequent detailed control room design reviews. The need for this study was stimulated in part by a report prepared by the International Atomic Energy Agency which found that WWER-440 model 230 reactor control rooms were in urgent need of human factors attention. This paper summarizes the findings from the human factors portion of the study, and discusses potential concerns associated with applying U.S. developed human factors engineering criteria to an eastern European nuclear power plant.


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