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This Defense Intelligence Reference Document, dated 15 December 2010, is a Defense Intelligence Agency report from its Advanced Aerospace Weapons System Applications (AAWSA) Program. It looks at how many unmanned spacecraft one human pilot could control during future deep-space missions, drawing on research into air traffic control and piloting of multiple unmanned vehicles. It concludes that the limits are about 16 craft for simple tasks, 7 for moderately complex tasks and 4 for complex mixed fleets. It adds that physiological measures can signal when an operator is overloaded.
“The Times”22 pages
UNCLASSIFIED// I Ok arr1e1111t t!l!II!! 8HLV Contents Summary ................................................................................................................iv Chapter 1: Introduction ......................................................................................... 1 Chapter 2: Measurement of Mental Workload ........................................................ 3 Subjective Measurements .................................................................................. 3 Performance Measures ....................................................................................... 4 Physiological Measures ...................................................................................... 4 Cardiac Function ............................................................................................ 5 CNS Measurements ........................................................................................ 6 Ocular Measurements ..................................................................................... 6 Skin Measurements ........................................................................................ 7 Serum Levels of Hormones ............................................................................. 7 Chapter 3: Studies in Cognitive Workload for Air Traffic Controllers ..................... 8 Modeling the Air Traffic Control Task ............................................................... 15 Chapter 4: Studies in Command of Multiple Semi-Automated Vehicles ................ 18 Chapter 5: Discussion .......................................................................................... 22 Chapter 6: Conclusions ........................................................................................ 23 References ........................................................................................................... 24 Figures Figure 1. One-dimensional Representation of Changes in Performance as Workload Varies ..................................................................................................................... 2 Figure 2. Typical EKG Signal for a Normal Heartbeat .............................................. 5 Figure 3. Air Traffic Control .................................................................................. 10 Figure 4. Representation of Performance Results from Brookings Study .............. 13 Figure 5. Information Processing Model for a Human Operator ............................ 16 Figure 6. Examples of Unmanned Military Vehicles .............................................. 19 Tables Table 1. Variables used in Determining Complexity of the Traffic .................. 11 Table 2. Correlations among Physiological Variables ..................................... 14 iii UNCLASSIFIED// I &k arr1e1111t t!l:!IE 8HLV
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Report, from the dia collection. The PDF is mirrored here; the original link is under it. 31 pages are in the text index: search them above, or from the library's search.