Critical decision making with a highly automated UAVa case study
Résumé
In transportation and aerospace, more automation and autonomy are continuously added to systems. The ability of human operators to effectively monitor and interact with these systems, poses significant challenges. This research focuses on critical decisions that largely rely on the system capabilities but need to be validated and made under the responsibility of the operator. In the context of unmanned combat air vehicles (UCAV), the experiment focuses on how the communication strategy of semi-autonomous systems modifies the operators' understanding of the situation and the final decision. The study has been conducted in an immersive simulator with a 30 minutes ecological military scenario where the operator had to manage a full mission, including an unplanned missile firing decision. The experiment included the use of physiological measures related to electrodermal and cardiac activities. The paper reports the results of the decision-making performances and the analyses of the physiological parameters. It appears that the communication strategy has an impact on the situation awareness of the operator, the decision taken, and the evolution of the physiological parameters.
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