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Real time flight simulation methodology

Author
Mcvey, E. S.
Published
Aug 1, 1976.
Physical Description
1 electronic document
Additional Creators
Cook, G. and Parrish, E. A.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
An example sensitivity study is presented to demonstrate how a digital autopilot designer could make a decision on minimum sampling rate for computer specification. It consists of comparing the simulated step response of an existing analog autopilot and its associated aircraft dynamics to the digital version operating at various sampling frequencies and specifying a sampling frequency that results in an acceptable change in relative stability. In general, the zero order hold introduces phase lag which will increase overshoot and settling time. It should be noted that this solution is for substituting a digital autopilot for a continuous autopilot. A complete redesign could result in results which more closely resemble the continuous results or which conform better to original design goals.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19760023114.
Accession ID: 76N30202.
NASA-CR-148728.
UVA/528085/EE76/103.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15734845