Flight Test Experience With Pilot Induced Oscillation Suppression Filters PDF Download
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Total Pages | : 24 |
Release | : 1984 |
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Download Flight Test Experience with Pilot-induced-oscillation Suppression Filters Book in PDF, ePub and Kindle
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Total Pages | : 36 |
Release | : 1980 |
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Download Design of a Nonlinear Adaptive Filter for Suppression of Shuttle Pilot-induced Oscillation Tendencies Book in PDF, ePub and Kindle
Author | : Mary F. Shafer |
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Total Pages | : 24 |
Release | : 1992 |
Genre | : Flight simulators |
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Download In-flight Simulation Studies at the NASA Dryden Flight Research Facility Book in PDF, ePub and Kindle
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Total Pages | : 28 |
Release | : 1992 |
Genre | : Aeronautics |
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Download NASA Technical Memorandum Book in PDF, ePub and Kindle
Author | : Donald A. Johnson |
Publisher | : |
Total Pages | : 203 |
Release | : 2002-03-01 |
Genre | : Airplanes |
ISBN | : 9781423512158 |
Download Suppression of Pilot-Induced Oscillation (PIO) Book in PDF, ePub and Kindle
Closed loop instability caused by excess phase lag induced by actuator rate limiting has been suspected in many pilot-induced oscillations (PIOs) and oscillatory departures from controlled flight. As part of the joint AFIT/TPS program, a longitudinal pilot command notch filter activated by a real- time oscillation verifier (ROVER) algorithm was developed to eliminate the PIO source for any developing, severe PIO. Closed loop computer simulations were conducted to prepare for the flight test. The HAVE ROVER flight test project was flown using the NF-16D Variable Stability In-flight Simulator Test Aircraft (VISTA). A programmable heads-up display (HUD) was used to generate a tracking task simulating Category A fighter maneuvers. 6 of the 12 evaluation sorties were flown against an airborne target aircraft. Flight test results showed the stick filter was pivotal in preventing aircraft oscillatory departures and suppressing PIOs. With the original threshold settings, the ROVER algorithm correctly characterized pilot observations of the aircraft motion 72% of the time. Further analysis indicated that a high false detection rate was responsible for this relatively low correct detection rate. These results suggested that the threshold values used by ROVER to detect PIO were set too low. By varying the threshold values as part of a parametric study, a maximum overall correct detection rate of 82% was attained.
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Total Pages | : 980 |
Release | : 2010 |
Genre | : Aeronautics |
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Download NASA's Contributions to Aeronautics: Aerodynamics, structures, propulsion, controls Book in PDF, ePub and Kindle
Two-volume collection of case studies on aspects of NACA-NASA research by noted engineers, airmen, historians, museum curators, journalists, and independent scholars. Explores various aspects of how NACA-NASA research took aeronautics from the subsonic to the hypersonic era.-publisher description.
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Total Pages | : 980 |
Release | : 2010 |
Genre | : Aeronautics |
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Download NASA's Contributions to Aeronautics Book in PDF, ePub and Kindle
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Total Pages | : 702 |
Release | : 1995 |
Genre | : Aeronautics |
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Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
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Total Pages | : 144 |
Release | : 1994 |
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Download 1993 Technical Paper Contest for Women. Gear Up 2000: Women in Motion Book in PDF, ePub and Kindle
Author | : R. van der Weerd |
Publisher | : IOS Press |
Total Pages | : 176 |
Release | : 2000 |
Genre | : Technology & Engineering |
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Download Pilot-induced Oscillation Suppression Methods and Their Effects on Large Transport Aircraft Handling Qualities Book in PDF, ePub and Kindle