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Cognitive Limits on Simultaneous Control of Multiple
Unmanned Spacecraft
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Contents
Chapter 3: Studies in Cognitive Workload for Air Traffic Controllers ..................... 8
Chapter 4: Studies in Command of Multiple Semi-Automated Vehicles ................ 18
Figures
Figure 1. One-dimensional Representation of Changes in Performance as Workload
Figure 2. Typical EKG Signal for a Normal Heartbeat .............................................. 5
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
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Cognitive Limits on Simultaneous Control of Multiple
Unmanned Spacecraft
Summary
Space exploration 40 years into the future may include manned missions to parts of the
outer solar system. A possible scenario may include sending a small fleet of craft with
different primary missions.
For example, a trailing spacecraft of nuclear powered
electromagnets designed to shield the manned part of the fleet from solar radiation;
halo spacecraft with powerful radars to scout for incoming objects; exploration and
mining craft, etc. The fleet could regularly travel out of unaided visual range of each
other, joining up when necessary for maintenance, exchange of materials such as fuel,
or other necessities. Piloting these multiple craft could be economically accomplished if
only one remote pilot on station at a time was necessary.
The cognitive limitation of a human astronaut and his ability to perform the multiple­
vehicle piloting task is the focus of this paper as little work has been done in this
specific area.
However, a large body of cognitive research on the limitations of object
supervision and tracking for the task of air traffic control (ATC) exists.
Additionally,
there is an emerging body of research concerned with multiple unmanned vehicle
piloting for heterogeneous missions. These a…