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An original classification of safety systems is presented, for the purpose of assessing the actual or possible contribution of models of cognition to the design and operation of safety systems. Machine systems are classified as passive or active; active as responsive or autonomous; autonomous as usual or unusual; unusual as dormant or latent; and latent as danger-centred or cognition-centred. For passive systems, cognitive models are unnecessary. For responsive and usual systems relevant models are beyond reach. For dormant and danger-centred systems, models of cognitive capacity, load or control mode may be relevant. Cognition-centred systems would benefit from a contextual model that identifies the boundaries of what is usual or familiar. Such a model, and a related safety-system concept, are outlined, together with a view on how such a system could integrate with other safety systems.

Additional information

Authors: GRANT S, JRC Ispra (IT)
Bibliographic Reference: Paper presented: 5th International Conference on Human-Machine Interaction and Artificial Intelligence in Aerospace, Toulouse (FR), September 27-29, 1995
Availability: Available from (1) as Paper EN 39012 ORA
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