Morphing winglets are innovative aircraft devices capable to adaptively enhance aircraft lift distribution throughout the flight mission while providing augmented roll and yaw control capability. Within the scope of the Clean Sky 2 REG IADP, this paper deals with nonlinear simulations of a regional aircraft wing equipped with active morphing winglets in manoeuvring conditions. The fault tolerant morphing winglet architecture is based on two independent and asynchronous control surfaces with variable camber and differential settings capability. The mechanical system is designed to face different flight static and dynamic situations by a proper action on the movable control tabs. The potential for reducing wing and winglet loads by means of the winglet control surfaces is numerically assessed by means of static aeroelastic analyses, using a feedforward manoeuvre load alleviation controller. An electro-mechanical Matlab/Simulink model of the actuation architecture is used as design tool to preliminary evaluate the complete system performance and the ability to cope with the expected morphing aeroshapes. Then, the aeroelastic model of the aircraft is combined with the nonlinear simulator of the response of the winglet actuation system to evaluate a symmetric and asymmetric manoeuvres obtained by a sudden deflection of the main control surfaces. The use of the morphing winglet tabs shows to alleviate the wing loads in such conditions. The introduction of the dynamic actuator model leads to a reduction of the performances with respect to predictions of the static analyses but a reduction of the manoeuvre loads can still be observed.
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ASME 2018 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 10–12, 2018
San Antonio, Texas, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5194-4
PROCEEDINGS PAPER
Active Load Control of a Regional Aircraft Wing Equipped With Morphing Winglets
Federico Fonte,
Federico Fonte
Politecnico di Milano, Milano, Italy
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Giuseppe Iannaccone,
Giuseppe Iannaccone
ItalSystem s.r.l, Avellino, Italy
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Nicola Cimminiello,
Nicola Cimminiello
ItalSystem s.r.l, Avellino, Italy
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Ignazio Dimino,
Ignazio Dimino
Centro Italiano Ricerche Aerospaziali, Capua, Italy
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Sergio Ricci
Sergio Ricci
Politecnico di Milano, Milano, Italy
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Federico Fonte
Politecnico di Milano, Milano, Italy
Giuseppe Iannaccone
ItalSystem s.r.l, Avellino, Italy
Nicola Cimminiello
ItalSystem s.r.l, Avellino, Italy
Ignazio Dimino
Centro Italiano Ricerche Aerospaziali, Capua, Italy
Sergio Ricci
Politecnico di Milano, Milano, Italy
Paper No:
SMASIS2018-8167, V001T04A021; 12 pages
Published Online:
November 14, 2018
Citation
Fonte, F, Iannaccone, G, Cimminiello, N, Dimino, I, & Ricci, S. "Active Load Control of a Regional Aircraft Wing Equipped With Morphing Winglets." Proceedings of the ASME 2018 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation, and Control of Adaptive Systems; Integrated System Design and Implementation. San Antonio, Texas, USA. September 10–12, 2018. V001T04A021. ASME. https://doi.org/10.1115/SMASIS2018-8167
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