2015
DOI: 10.1177/0954410015588573
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Design and wind tunnel experimental validation of a controlled new rotary actuation system for a morphing wing application

Abstract: The paper presents the design and the experimental validation of a position controller for a morphing wing application. The actuation mechanism uses two DC motors to rotate two eccentric shafts which morph a flexible skin along two parallel actuation lines. In this way, the developed controller aim is to control the shape of a wing airfoil under different flow conditions. In order to control the actuators positions, a proportional-derivative control algorithm is used. The morphing wing system description, its … Show more

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Cited by 21 publications
(8 citation statements)
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“…It is known that the flow surrounding a blunt body is mainly formed by pressure drag, and a small fraction of it is due to friction drag. The flow structure seen in Figure 17 contains the major components of a turbulent flow calculated with fluctuations of the mean flow speed, as described by the turbulence intensity I in Equation (10). In Figure 17, at position 1, the flow separates from the radar surface, and the flow transitions to its turbulent state with its intensity close to 20.6%.…”
Section: Original Radar Flow Analysismentioning
confidence: 99%
See 1 more Smart Citation
“…It is known that the flow surrounding a blunt body is mainly formed by pressure drag, and a small fraction of it is due to friction drag. The flow structure seen in Figure 17 contains the major components of a turbulent flow calculated with fluctuations of the mean flow speed, as described by the turbulence intensity I in Equation (10). In Figure 17, at position 1, the flow separates from the radar surface, and the flow transitions to its turbulent state with its intensity close to 20.6%.…”
Section: Original Radar Flow Analysismentioning
confidence: 99%
“…The LARCASE laboratory is one of the few multidisciplinary aerospace research laboratories in Canada that has four pieces of stateof-the-art research equipment, such as a Cessna Citation X Business Aircraft Research Flight Simulator, a Bombardier series regional jet CRJ-700 Research Flight Simulator, an Autonomous Aerial System UAS-S4 from Hydra Technologies and a Subsonic Wind Tunnel Price-Païdoussis. At the LARCASE, new methodologies in the aeronautical industry have been developed in the areas of actuated morphing wings and wing-tip systems [5][6][7], upper surface optimization of wing shapes for unmanned aerial systems [8][9][10][11], and Computational Fluid Dynamics models validations with experimental results from subsonic wind tunnel tests [12,13].…”
Section: Introductionmentioning
confidence: 99%
“…Following this perspective, Kammegne et al 25,26 developed a control law for the position of an electrical actuator used in conjunction with a mechanical system inserted inside the wing. The goal was to reduce the drag by moving the transition location towards the trailing edge.…”
Section: Introductionmentioning
confidence: 99%
“…In previous studies, our LARCASE team has developed morphing wing mechanisms which, by modifying the upper surface of the wing, allow the flow transition delay between the laminar and turbulent regimes around the wing [18][19][20][21][22][23][24]. This delay has the effect of reducing the drag generated by the wing.…”
Section: Introductionmentioning
confidence: 99%