Results 1 to 10 of about 692 (185)
A Review of Flow Control for Gust Load Alleviation [PDF]
Applied Sciences, 2022 Effective control of aerodynamic loads, such as maneuvering load and gust load, allows for reduced structural weight and therefore greater aerodynamic efficiency.
Yonghong Li, Ning Qin
doaj +6 more sources
A Comprehensive Robust Adaptive Controller for Gust Load Alleviation [PDF]
The Scientific World Journal, 2014 The objective of this paper is the implementation and validation of an adaptive controller for aircraft gust load alleviation. The contribution of this paper is the design of a robust controller that guarantees the reduction of the gust loads, even when ...
Elisa Capello +2 more
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Gust load alleviation by normal microjet [PDF]
Aerospace Science and Technology, 2021 This paper presents an investigation on the capability of gust load alleviation by normal microjet. The numerical method integrates the unsteady Reynolds averaged Navier-Stokes (URANS) solutions, structural dynamic equations of motion and the Field Velocity Method. The method is verified for gust responses of rigid and elastic models.
Ning Qin
exaly +4 more sources
Airfoil gust load alleviation by circulation control [PDF]
Aerospace Science and Technology, 2020 This paper presents a numerical investigation on the gust load alleviation effects based on circulation control (CC) via blowing over airfoil trailing-edge Coanda surface. The NACA0012 airfoil was chosen for the study from subsonic to transonic speeds. The field velocity method is introduced to the unsteady Reynolds averaged Navier-Stokes solutions to ...
Ning Qin
exaly +4 more sources
Gust Load Alleviation Control Strategies for Large Civil Aircraft through Wing Camber Technology
ActuatorsThis paper introduces three new gust load alleviation control strategies, which are based on variable camber technology, to achieve the design requirements for the safety, economy, and comfort of modern civil aircraft.
Shanshan Zhang +4 more
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Fuzzy logic based nonlinear blending hybrid control of a kestrel-inspired ornithopter operating in sinusoidal and dryden gusts [PDF]
Scientific ReportsPersistent gust disturbances and unsteady atmospheric dynamics remain a critical barrier to the stable and efficient flight of ornithopters. However, in nature, millions of avian species exhibit extraordinary inherent stability and aerodynamic ...
S. H. Abbasi +3 more
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Gust Load Alleviation with Robust Control for a Flexible Wing [PDF]
Shock and Vibration, 2016 Traditional methods for gust alleviation of aircraft are mostly proposed based on a specific flight condition. In this paper, robust control laws are designed for a large flexible wing with uncertainty in Mach number and dynamic pressure.
Xiang Liu, Qin Sun
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Aerospace, 2023 Based on measured gust information, a multi-input multi-output (MIMO) adaptive feed-forward control scheme for gust load alleviation (GLA) on a semi-span flying-wing aircraft using multiple control surfaces is proposed.
Liqi Zhang, Yonghui Zhao
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Interpolatory Methods for Generic BizJet Gust Load Alleviation Function [PDF]
SIAM Journal on Applied Dynamical Systems, 2021 23 pages, 9 figures, submitted to ...
Poussot-Vassal, Charles +3 more
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Gust Alleviation and Wind Tunnel Test by Using Combined Feedforward Control and Feedback Control
Aerospace, 2022 Gust alleviation is of great significance for improving aircraft ride quality and reducing gust load. Using aircraft response (feedback control) and gust disturbance information (feedforward control) to improve the gust alleviation effect is worthy of ...
Yitao Zhou, Zhigang Wu, Chao Yang
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