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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 …While additional future research may help to increase the automation component of aircraft and mission control…
  • p. 6 …to possible spacecraft missions. When a pilot or ATC operator is in control of several craft…
  • p. 19 …Correlation analyses were performed with the number of aircraft the operator was currently controlling. No adjustment…
  • p. 23 …Examples of several UAVs and their primary missions are shown in Figure 6. Control of vehicles…
  • p. 27 …of four craft can be controlled and tasked to complete missions. The number of four is…
  • p. 28 …Future research may increase the automation component of aircraft and mission control, but there is no…
  • p. 31 …Mission control of multiple unmanned aerial vehicles: a workload analysis. Hum Factors 47, 479-487 (2005…
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Chapter 6: Conclusions
There is a lack of research in the area of cognitive limits on the number of spacecraft
one pilot could control given any mission scenario. Two models for examining what are
similar activities are air traffic control and remote piloting of multiple unmanned
vehicles. We have shown the research progress in both areas, and the cognitive limits
on the number of craft that can be simultaneously controlled are 16 for simple
destination selection, 7 for moderately complex piloting and/or mission task completion,
and 4 for complex heterogeneous craft. Future research may increase the automation
component of aircraft and mission control, but there is no evidence to date that a
complete mental picture can be maintained, even with external working memory
augmentation, for more than about 16 objects at one time.
We have additionally shown that physiological variables can be objectively employed to
indicate overload. Nominal success has been achieved in classifying physiological states
near high workload and thus able to predict and thus possibly prevent overload. We
expect this classification will be achieved with near perfect accuracy within five years of
specific studies being commenced.
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Report, from the dia collection. The PDF is mirrored here; the original link is above. 31 pages are in the text index: search them above, or from the library's search.