Results 271 to 280 of about 165,973 (305)
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Very Flexible Aircraft Control Challenge Problem
AIAA Guidance, Navigation, and Control Conference, 2012This paper provides a linearized dynamics model of a generic very flexible aircraft (VFA) at a prescribed flight condition that may be used for control design challenges. The availability of such a high-fidelity model in the public domain is intended to provide a common focus for research in control techniques for VFA platforms. Figures showing vehicle
Ross Gadient +2 more
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Concept of a “Flexible” Combi Aircraft
SAE Technical Paper Series, 1988<div class="htmlview paragraph">An airframe manufacturer is compelled to include the requirements of the air cargo transport market, existing and anticipated, in the definition of its products- A combi aircraft, derived from the passenger version, requires configuration flexibility. With the addition of an aft located main deck cargo door, six (6)
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On the stability of flexible aircraft
Aerospace Science and Technology, 2008The problem of aircraft stability has been a subject of concern since the beginnings of flight. Traditionally, aircraft stability has been treated within the confines of two separate disciplines, namely, flight dynamics and aeroelasticity. Based on some recent developments in the dynamics and control of flexible aircraft, this investigation uses the ...
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Flexible aircraft fleeting and routing at TunisAir
Journal of the Operational Research Society, 2011This paper addresses a Flexible Aircraft Fleeting and Routing Problem, which is motivated by the Tunisian national carrier TunisAir. A solution to this problem specifies the departure time of each flight, the subset of aircraft to be chartered or rented out, the individual aircraft assigned to each flight, as well as the sequence of flights to be flown
Zeghal, F. M. +3 more
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Parameter-robust flight control system for a flexible aircraft
Control Engineering Practice, 1994Abstract This paper discusses the design of a flight control system for a flexible aircraft, with significant coupling between flight mechanics and structural dynamics modes. Based on a longitudinal model, a normal acceleration control law is designed with a new synthesis technique, which is in fact a mixing of optimal control and eigenstructure ...
F. KUBICA +3 more
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Hose, Air Duct, Flexible, Nonmetallic, Aircraft
2020<div class="section abstract"> <div class="htmlview paragraph">This document covers flexible and semiflexible, reinforced and unreinforced air hoses fabricated from laminated and impregnated fabric, intended for use in aircraft heating, air conditioning, ventilating, defrosting, and/or deicing systems.</div> </div>
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Controller Design for a Flexible Aircraft
2006The paper presents an overview of modeling the dynamic behavior of a large four-engine flexible aircraft and considers some of the options for control system design. The first part describes how to build an integral model, which can be used for simulating the rigid motion as well as the flexible motion of the aircraft.
M. Hanel, K. H. Well
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Flexible smart sensing skin for “Fly-by-Feel” morphing aircraft
Science China Technological Sciences, 2021Yongan Huang +2 more
exaly
Aeroelastic tailoring of flexible composite aircraft
2019This paper presents a unified framework for aeroelastic tailoring of fully-flexible free-flying composite aircraft. A continuous-time state-space model is used to describe the flow. The 3D composite wing structure is condensed into a Timoshenko beam model utiliz-ing a cross-sectional modeler.
Natella, M. (author) +1 more
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Integrated fault estimation and fault-tolerant control for a flexible regional aircraft
Chinese Journal of Aeronautics, 2022Yishi Liu, Sheng Hong, Enrico Zio
exaly