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Human factors improvements to technical specifications of nuclear control rooms
The authors describe an industrywide effort to improve the primary operating document of nuclear power plants, technical specifications. The Human Factors Improvement to Technical Specifications working group was formed to develop a single industry treatment of human-factors issues. THe group was chartered to identify human-factors problems with th....
Authors:Tomasi;L.T.;Bennett;K.;Brune;R.L.Publisher:Human Factors and Power Plants;1988.;Conference Record for 1988 IEEE Fourth Conference onConference Date:5-9 June 1988ISSN:Total Page:xii+596
A data-based method for assessing and reducing human error to improve operational performance
The author describes the development of a technique called HEART (Human Error Assessment and Reduction Technique) designed to assist engineers not only to assess the likelihood and impact of human unreliability but to apply human-factors technology to optimize overall systems design. He explores the identity and magnitude of error-producing factors....
Authors:Williams;J.C.Publisher:Human Factors and Power Plants;1988.;Conference Record for 1988 IEEE Fourth Conference onConference Date:5-9 June 1988ISSN:Total Page:xii+596
Effect of a 12-hour/day shift on performance
The operating crews at the Fast Flux Facility near Richland, Washington, changed their rotating shift schedule from an 8- to a 12-hour/day work schedule. The primary reason for the change was to reduce the attrition of operators by increasing their job satisfaction. A statistical analysis of 53 operator-related, off-normal events in 28 months concl....
Authors:Lewis;P.M.;Swaim;D.J.Publisher:Human Factors and Power Plants;1988.;Conference Record for 1988 IEEE Fourth Conference onConference Date:5-9 June 1988ISSN:Total Page:xii+596
Shiftwork, work scheduling and their impact upon operators in nuclear power plants
The author notes that the risk for operator error may increase during the night shift due to the influence from circadian rhythms, with variations in alertness and performance efficiency. The author considers some of the factors that have been shown to have a major impact on the adjustment to shiftwork at nuclear power plants, with particular empha....
Authors:Dahlgren;K.Publisher:Human Factors and Power Plants;1988.;Conference Record for 1988 IEEE Fourth Conference onConference Date:5-9 June 1988ISSN:Total Page:xii+596
Foundations for a time reliability correlation system to quantify human reliability
Data taken from simulators have provided evidence for development of a system for TRCs (time reliability correlations). This system has the equational form: t= tau /sub R/* tau /sub U/ where the first factor is the lognormally distributed random variable of successful response time, derived from the simulator data, and the second factor is a unitar....
Authors:Dougherty;E.M.;Jr.;Fragola;J.R.Publisher:Human Factors and Power Plants;1988.;Conference Record for 1988 IEEE Fourth Conference onConference Date:5-9 June 1988ISSN:Total Page:xii+596
Misrepresentation errors
A mental misrepresentation error can lead to a nuclear plant operator to pilot his installation with a model more and more disconnected from reality. A cognitive process model is described, to analyze representation errors committed in incidents that have actually occurred. It can also be used for analyzing simulator tests where representation erro....
Authors:Carnino;A.;Wanner;J.C.Publisher:Human Factors and Power Plants;1988.;Conference Record for 1988 IEEE Fourth Conference onConference Date:5-9 June 1988ISSN:Total Page:xii+596
Nondestructive testing in maintenance and the role of the human operator
Several independent variables that are likely to influence performance significantly on nondestructive testing tasks are considered. These include task, procedural, training, and environment variables. Given the general need to assess the efficacy of maintenance systems, an analysis of data in relative operator characteristic terms is advocated. So....
Authors:Triggs;T.J.Publisher:Human Factors and Power Plants;1988.;Conference Record for 1988 IEEE Fourth Conference onConference Date:5-9 June 1988ISSN:Total Page:xii+596
Evaluating operator burden at B&W-designed nuclear power plants
In 1986, the B&W Owners Group (B&WOG) Operator Support Committee (OSC) embarked on a program aimed at improving the nuclear plant operator's ability to control the plant, particularly during transient conditions. The concept that involved was termed 'operator burden'. Operator burden was defined as those factors which inordinately hinder the plant ....
Authors:Maass;A.W.;Fragola;J.R.;Stephenson;W.A.Publisher:Human Factors and Power Plants;1988.;Conference Record for 1988 IEEE Fourth Conference onConference Date:5-9 June 1988ISSN:Total Page:xii+596
Advanced light water reactor man-machine interface systems-the next generation
The author describes the efforts of the Electric Power Research Institute (EPRI) to provide a new way for designers to view the next generation of LWR (light-water reactor) plants. Specifically, he describes the ALWR (advanced LWR) requirements program with particular emphasis on man-machine interface systems (M-MIS) requirements. Requirements are ....
Authors:Riley;D.R.Publisher:Human Factors and Power Plants;1988.;Conference Record for 1988 IEEE Fourth Conference onConference Date:5-9 June 1988ISSN:Total Page:xii+596
Improving maintenance procedures-one utility's perspective
The authors address one utility's past and current efforts to improve maintenance procedures in nuclear power stations. This effort has resulted in decreased performance error along with a corresponding increase in unit reliability. Several hundred procedures have been upgraded, obtaining favorable comments from users of those procedures and from a....
Authors:Herrin;J.L.;Heuertz;S.W.Publisher:Human Factors and Power Plants;1988.;Conference Record for 1988 IEEE Fourth Conference onConference Date:5-9 June 1988ISSN:Total Page:xii+596
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