In the context of a synthetic task environment, human-robot interactions were observed withunmanned underwater vehicles during a mine-mapping scenario. Two-person teams (i.e, dyads)completed four missions, with either heterogeneous or homogeneous vehicle distribution betweenteam members, and either four or eight vehicles per dyad. Based on performance and workloadmeasures, we found performance deficits for dyads with large numbers of vehicles to control andfor vehicles of a single vs. multifunctional task distribution.
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