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In this paper the developments and issues identified in modelling humans and machines are discussed; the possibility of combining them through the System Response Analyser (SRA) methodology is presented as a balanced approach to be applied when the objective is the study of safety management of systems during abnormal sequences. Attention is then devoted to the human behaviour models implemented or being developed for SRA, and the general frame in which manual and cognitive human activities interact with each other and are carried over by operators in controlling the evolution of transients in complex plants. The application of these models for the study of a real system (the Auxiliary Feedwater System of a Nuclear Power Plant) is presented in some detail, focusing on: 1. the study and the representation of the operator's tasks and goals repertoire; 2. the interlinkage of tasks and goals with subtasks and subgoals, modelling in this way up to the elementary actions to be performed; 3. the development of the logic of execution of tasks and goals.

Additional information

Bibliographic Reference: BOOK, PP 223-241, 1988, PUBL. BY: ELSEVIER SCIENCE PUBLISHERS B.V., NL
Record Number: 1989126079200 / Last updated on: 1989-05-01
Available languages: en
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