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Defense Intelligence Reference Document Cognitive Limits On Simultaneous Control Of Multiple Unmanned Spacecraft

Defense Intelligence Agency · 31 pages · text from the file's own layer

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.

  • p. 5 UNCLASSIFIED/ «F&A 8FFI~ICP 1!55 0111 YI Cognitive Limits on Simultaneous Control of Multiple…
  • p. 6 …Accomplishing this monitoring task and the occasional piloting task for multiple craft in the fleet could…
  • p. 20 …As shown multiple times in the preceding section, single-task processing time and intensity (difficulty or…
  • p. 25 …the utilization measure in multiple-object tracking and retargeting is similar to a grandmaster playing many…
  • p. 27 …Discussion We have insight into the maximum number of tracked objects in a multiple space vehicle…
  • p. 28 …We have additionally shown that physiological variables can be objectively employed to indicate overload. Nominal success…
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Skin Measurements
The ANS controls the opening and closing of sweat glands in response to stress and
anxiety. These changes can be observed by measuring electrodermal activity, typically
skin conductance response (SCR), 17 but also skin potentials (SP) and skin temperature
(ST). A standard score of these measures can be calculated by collecting resting state
data prior to the task interval.
Serum Levels of Hormones
Hormone levels are direct results of activity in the ANS. It is natural to want to
continuously monitor certain stress hormones such as adrenaline or cortisol. The
difficulty lies in measurement time - typical fast assays of salivary cortisol still require
about 15 minutes. 18 Until reliable in-situ monitoring is available, serum levels of
hormones will only play a supporting role in establishing baseline capacities or post-
incident analysis.
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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.