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Fixed-base simulator study of the effect of time delays in visual cues on pilot tracking performanceFactors were examined which determine the amount of time delay acceptable in the visual feedback loop in flight simulators. Acceptable time delays are defined as delays which significantly affect neither the results nor the manner in which the subject 'flies' the simulator. The subject tracked a target aircraft as it oscillated sinusoidally in a vertical plane only. The pursuing aircraft was permitted five degrees of freedom. Time delays of from 0.047 to 0.297 second were inserted in the visual feedback loop. A side task was employed to maintain the workload constant and to insure that the pilot was fully occupied during the experiment. Tracking results were obtained for 17 aircraft configurations having different longitudinal short-period characteristics. Results show a positive correlation between improved handling qualities and a longer acceptable time delay.
Document ID
19760002999
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Technical Note (TN)
Authors
Queijo, M. J. (NASA Langley Research Center Hampton, VA, United States)
Riley, D. R. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
October 1, 1975
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
NASA-TN-D-8001
L-10152
Accession Number
76N10087
Funding Number(s)
PROJECT: RTOP 504-09-41-03
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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