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Published byVirgil Bennett Modified over 9 years ago
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Human Supervisory Control Issues in Unmanned Vehicle Operations
Mary (Missy) Cummings Humans and Automation Laboratory Aeronautics & Astronautics (617)
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Humans & Automation Lab
Desert Hawk Dragon eye for laptop
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HAL Director Former U.S. Navy officer and pilot
Systems engineer with a cognitive focus Research Interests: Human supervisory control, decision support design, human interaction with autonomous systems, design of experiments technology development, social impact of technology
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Human Supervisory Control
Controls Actuators Computer Task Human Operator (Supervisor) Displays Sensors Humans on the loop vs. in the loop Supporting knowledge-based versus skill-based tasks Network-centric operations & cognitive saturation
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Ten Areas of Concern Information overload Attention allocation
Appropriate levels of automation Adaptive automation Decision biases Distributed decision-making through team coordination Complexity Supervisory monitoring of operators Trust and reliability Accountability
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Information Overload
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Attention Allocation Multiple HSC tasks = Divided attention problem
Information uncertainties & time latencies Preview times & stopping rules Primary task disruption by secondary task Chat
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Automation Description
Appropriate Levels of Automation Level Automation Description 1 The computer offers no assistance: human must take all decision and actions. 2 The computer offers a complete set of decision/action alternatives, or 3 narrows the selection down to a few, or 4 suggests one alternative, and 5 executes that suggestion if the human approves, or 6 allows the human a restricted time to veto before automatic execution, or 7 executes automatically, then necessarily informs humans, and 8 informs the human only if asked, or 9 informs the human only if it, the computer, decides to. 10 The computer decides everything and acts autonomously, ignoring the human.
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Adaptive Automation Dynamic role allocation A problem of intent
Mixed initiatives A problem of intent Cueing mechanisms Psychophysiological Decision theoretic Performance-based
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Decision Biases Naturalistic Decision Making Biases
Dynamic ill-structured problems with shifting goals (i.e., NCW) Heuristics good & bad Biases Confirmation Recency Automation
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Distributed Decision-making & Team Coordination
The move from hierarchical, centralized to decentralized control Team mental models & shared situation awareness (SA) Decision support Automated agents as team members Not just an issue for human teams Swarming UAVs
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Complexity Traffic Management Advisor
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Supervisory Monitoring
Nested supervisory control Two basic issues: Recognizing & intervening Interventions Redistribute workload Adding team members (both human & computer) Modify mission objectives
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Trust & Reliability
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Accountability
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The Future of UVs and NCO
We can’t do it without automation & intelligent autonomy Bounded Collaboration Human-centered design vs. mission-centered design Unmanned systems do not really exist The systems engineering process must consider humans early Robust systems are needed for both human and automation brittleness considerations
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