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The Design of a HSMM-Based Operator State Modeling Display

Author(s)
Castonia, Ryan; Boussemart, Yves; Cummings, M. L.
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Creative Commons Attribution-Noncommercial-Share Alike 3.0 http://creativecommons.org/licenses/by-nc-sa/3.0/
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Abstract
This paper presents the findings from the design, development, and evaluation of a hidden semi-Markov model based operator state monitoring display. This operator state monitoring display is designed to function as a decision support tool for the supervisor of a small team of operators (2-4) that are each monitoring and controlling multiple highly autonomous, heterogeneous unmanned vehicles. After a cognitive task analysis was conducted to determine the functional and information requirements of the decision support tool, a human subject experiment was conducted to validate the design. Preliminary results show that the decision support tool improves team supervisor performance in terms of increased decision accuracy and decreased non-necessary interventions in single alert scenarios. In scenarios where the supervisor faced multiple simultaneous alerts, the decision support tool was shown to decrease non-necessary interventions and have no affect on mental workload as measured by a secondary task. These initial results suggest that hidden semi-Markov operator state modeling can be effectively utilized in a real-time decision support tool for team supervisors.
Date issued
2010-04
URI
http://hdl.handle.net/1721.1/81868
Department
Massachusetts Institute of Technology. Department of Aeronautics and Astronautics; Massachusetts Institute of Technology. Engineering Systems Division
Journal
Proceedings of the AIAA Infotech@Aerospace 2010
Publisher
American Institute of Aeronautics and Astronautics
Citation
Castonia, Ryan, Yves Boussemart, and Mary Cummings. “The Design of a HSMM-Based Operator State Modeling Display.” In AIAA Infotech@Aerospace 2010. American Institute of Aeronautics and Astronautics, 2010.
Version: Author's final manuscript
ISBN
978-1-60086-963-1

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