SCIENTIFIC AND TECHNICAL AEROSPACE REPORTS
A Biweekly Publication of the National Aeronautics and Space Administration
VOLUME 44, ISSUE 12 - JUNE 20, 2006
08 AIRCRAFT STABILITY AND CONTROL
Includes flight dynamics, aircraft handling qualities, piloting, flight controls, and autopilots.
For related information see also 05 Aircraft Design, Testing and Performance; and 06 Avionics and Aircraft Instrumentation.
20060014431 California Univ., Riverside, CA USA
Adaptive Backstepping With Magnitude, Rate, and Bandwidth Constraints: Aircraft Longitude Control
Farrell, Jay; Polycarpou, Marios; Sharma, Manu; Jan 2006; 8 pp.; In English Contract(s)/Grant(s): PRDA-01-03-VAK Report No.(s): AD-A442139; No Copyright; ONLINE: http://hdl.handle.net/100.2/ADA442139; Avail.: Defense Technical Information Center (DTIC)
This article presents an adaptive backstepping approach to the longitudinal (gamma;alpha;Q) control of an aircraft that directly accommodates magnitude, rate, and bandwidth constraints on the aircraft states and the actuator signals. The article includes design of the control law, Lyapunov analysis of the stability properties of the closed loop system, and simulation based analysis of the performance. DTIC
Adaptive Control; Aircraft Control; Bandwidth; Combat; Longitude; Longitudinal Control
20060015394 Naval Test Pilot School, Patuxent River, MD USA
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Validation of the USNTPS Simulator for the Advanced Flight Controls Design Exercise
Jurta, Sr, Daniel S; Dec 1, 2005; 73 pp.; In English; Original contains color illustrations Report No.(s): AD-A443209; No Copyright; ONLINE: http://hdl.handle.net/100.2/ADA443209; Avail.: CASI: A04, Hardcopy
This thesis explores the fidelity of the ground based simulator used at USNTPS during the Advanced Flight Controls Design exercise. A Simulink model is developed as a test platform and used to compare the longitudinal flight characteristics of the simulator. The model is also compared to the same characteristics of a Learjet in the approach configuration. The Simulink model is modified with the aim of yielding a better training aid for the students as well as providing a means of comparison between the simulator flight data and the actual Learjet flight data. Open loop and closed loop trials are completed to gather data for analysis and improvement of the Simulink model. Regression analysis is also performed on the flight data as a means of comparing the longitudinal stability coefficients. DTIC
Control; Flight Control; Flight Tests; Physical Exercise; Regression Analysis; Simulators
20060015750 Naval Postgraduate School, Monterey, CA USA
Design and Fabrication of a Planar Autonomous Spacecraft Simulator With Docking and Fluid Transfer Capability
Shay, Tracy; Dec 2005; 71 pp.; In English; Original contains color illustrations Report No.(s): AD-A443398; No Copyright; ONLINE: http://hdl.handle.net/100.2/ADA443398; Avail.: CASI: A04, Hardcopy
Source: NASA
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