In complex systems such as cockpits or unmanned systems, operators manage a set of tasks with high temporal dynamics. Frequent changes of situation within the same mission can sometimes induce a loss of operators' Situation Awareness.In this paper, we introduce a methodology for design of Human-Computer Interfaces in dynamic systems taking into account the situation elements constituting operators' activity. We follow a user-centered approach; end-users and domain experts are included along the different steps of this model-based design process.The complete methodology is presented here, from initial task & situation modeling, through transition analysis, to the final recommendations on interface design, applied to an illustrative example.
This article presents the methodology SAMANTA (Situation Awareness Modeling & ANalysis for Transition Amelioration) and its application to the analysis EPR nuclear power plants' operations. The methodology's key steps (modeling and transition analysis) are supported by a new web-based tool, which is described here. Its use is assessed through an expert analysis, leading to some recommendations regarding its improvement.
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