NDLI: Entropy, instrument scan and pilot workload

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Entropy, instrument scan and pilot workload

Content Provider	NASA Technical Reports Server (NTRS)
Author	Vivaudou, M. Tole, J. R. Harris Jr., R. L. Stephens, A. T. Ephrath, A. R.
Copyright Year	1982
Description	Correlation and information theory which analyze the relationships between mental loading and visual scanpath of aircraft pilots are described. The relationship between skill, performance, mental workload, and visual scanning behavior are investigated. The experimental method required pilots to maintain a general aviation flight simulator on a straight and level, constant sensitivity, Instrument Landing System (ILS) course with a low level of turbulence. An additional periodic verbal task whose difficulty increased with frequency was used to increment the subject's mental workload. The subject's looppoint on the instrument panel during each ten minute run was computed via a TV oculometer and stored. Several pilots ranging in skill from novices to test pilots took part in the experiment. Analysis of the periodicity of the subject's instrument scan was accomplished by means of correlation techniques. For skilled pilots, the autocorrelation of instrument/dwell times sequences showed the same periodicity as the verbal task. The ability to multiplex simultaneous tasks increases with skill. Thus autocorrelation provides a way of evaluating the operator's skill level.
File Size	772174
Page Count	9
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19830011205
Archival Resource Key	ark:/13960/t0004zm6v
Language	English
Publisher Date	1982-01-01
Access Restriction	Open
Subject Keyword	Man/system Technology And Life Support Pilot Performance Scanning Task Complexity Workloads Psychophysiology Power Spectra Entropy Statistics Aircraft Pilots Statistical Correlation Experiment Design Man Machine Systems Mental Performance Information Theory Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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