Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"dutch-roll"”.
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A Methodology for the Prediction of the Empennage In-Flight Loads of a General Aviation Aircraft Using Backpropagation Neural Networks
… DAQBook portable data acquisition system for dutch-roll, roll, sideslip left, sideslip right, stabilized g turn left, stabilized g turn right, and push-pull maneuvers at airspeeds of 65 KIAS, 80 KIAS, and 95 KIAS. The sensor signals were filtered and used to train the neural networks. Modular …
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Robust bifurcation behavior in the presence of external random excitation
… by an aircraft with marginally stable/unstable Dutch roll and spiral modes, the bifurcation behavior is robust under special conditions on the relative degree of mode interaction and excitation intensities. Otherwise, the external excitation will exert a ""stabilizing"" effect on one critical …
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A Simplified Icing Model for Simulation and Analysis of Dynamic Effects
… for the damping ratios of the phugoid and Dutch roll. However, it is the short term oscillation that experiences a degradation by one level of handling qualities on the Cooper-Harper scale.
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Dynamic Stability and Handling Qualities of Small Unmanned-Aerial-Vehicles UNMANNED-AERIAL-VEHICLES
<p>General aircraft dynamic stability theory was used to predict the natural frequencies, damping ratios and time constants of the dynamic modes for three specific small UAVs with wingspans on the scale from 0.6 meters to 1.2 meters. Using USAF DatCom methods, a spreadsheet program for predicting …