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This article discusses perspectives in science with a somewhat limited scope. The areas of science included reflect the interest and experience of the author with an interdisciplinary view. Scientific domains, applications and methodologies constitute a characteristic entity. The three main pillars of the model are psychology, civics and energy production. The psychology here is mainly adapted in...
Early and accurate fault detection has long been a major challenge in safety of industrial plants. Fault detection and diagnosis can minimize downtime, increase the safety and reduce manufacturing costs. Industrial plants are becoming more instrumented, resulting a large amount of high-dimensional data. In this paper, an approach based on data generated control limits is suggested to detect faults...
In control of big process plants, especially in fault situations, there exist potential to use theoretically advanced methodologies more than it has been used before. In this paper, decision analysis method is applied in a process control problem in an accident management situation. The problem here is to maintain core cooling in a BWR nuclear power plant when a leak appears in the primary circuit...
Computerized decision support system field covers many methodologies and application areas. In this paper self- organizing map (SOM) and knowledge-based techniques are used in combination to reason problematic situations in failure management. A process model that consists of individual connected process components has been developed. A primary circuit of a boiling water nuclear power plant including...
Decision making is mostly based on decision concepts and decision models built in decision support systems. Type of decision problem determines application. We present a conceptual decision model that utilises rule-based methodologies, numerical algorithms and procedures, statistical methodologies including distributions, and visual support. Selection of used decision concepts is based on case-based...
Decision making is done in many application areas. Still most studies are done in such fields as economy and production planning. In methodologies used there exists more variation. We review the decision concepts discussed in the literature. Also some decision models by the author are commented. The field and practise in decision science is summarized. Although decision support systems are the final...
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