NDLI: Operator cognitive processes under abnormal plant conditions with conventional and advanced control room designs

Content Provider	IEEE Xplore Digital Library
Author	Fujita, Y. Sanquist, T.F.
Copyright Year	1988
Description	Author affiliation: Mitsubishi Atomic Power Ind. Inc., Tokyo, Japan (Fujita, Y.)
Abstract	Using a real-time simulator, an experimental study was conducted to analyze operator cognitive processes under abnormal plant conditions. A two-factor design was used, in which two levels of scenarios and three levels of mode generated by the combination of the addition of secondary malfunction(s) and two levels of man-machine interface design created six modes of operations. As the primary source of information with which the cognitive processes would be analyzed, verbal protocols were collected by the think-aloud method. The analysis of protocol patterns suggested that the use of protocols can be useful only as a supplemental information source, since it was found to be difficult to extract information from them that would enable straightforward analysis of cognitive information processes such as diagnosis and operational decision-making. In order to obtain a better method, it is considered necessary to establish a means which enables accurate tracing of parameters monitored by operators to introduce models with which monitored parameter sequences are analyzed in terms of information processing strategies.
Starting Page	149
Ending Page	156
File Size	633396
Page Count	8
File Format	PDF
DOI	10.1109/HFPP.1988.27494
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Information analysis Protocols Pattern analysis Condition monitoring Analytical models User interfaces Information resources Data mining Decision making Information processing
Content Type	Text
Resource Type	Article

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