Nonlinear aeroelastic analysis of a HALE aircraft with flexible components

S Shafaghat, MA Noorian, S Irani - Aerospace Science and Technology, 2022 - Elsevier
In this study, a full HALE (high altitude, long endurance) aircraft, nonlinear, aeroelastic
analysis is being performed. Nonlinear, general, flexible, Euler–Bernoulli beam equations …

Control Design for Active Flutter Suppression of Flexible-Wing Unmanned Aerial Vehicle Demonstrator

S Waitman, A Marcos - Journal of Guidance, Control, and Dynamics, 2020 - arc.aiaa.org
Flutter is an aeroelastic phenomenon affecting flexible structures in a fluid flow and may lead
to unstable oscillations and to critical structural damage. This paper concerns the design of a …

Worst-case disturbances for time-varying systems with application to flexible aircraft

A Iannelli, P Seiler, A Marcos - Journal of Guidance, Control, and …, 2019 - arc.aiaa.org
The aim of this Paper is to propose a method for constructing worst-case disturbances to
analyze the performance of linear time-varying systems on a finite time horizon. This is …

Body-freedom flutter suppression for a flexible flying-wing drone via time-delayed control

Q Zou, R Huang, H Hu - Journal of Guidance, Control, and Dynamics, 2022 - arc.aiaa.org
This paper describes a novel time-delayed control scheme for suppressing the body-
freedom flutter of a flexible flying-wing drone and verifies its robustness. The simple …

Parameter identification of nonlinear aeroelastic system with time-delayed feedback control

G Liu, L Wang, JK Liu, ZR Lu - AIAA Journal, 2020 - arc.aiaa.org
In this paper, an enhanced response sensitivity approach is proposed for parameter
identification of nonlinear time-delay aeroelastic systems. Two common aeroelastic models …

Wind tunnel experiments of bending-torsion and body-freedom flutter on flying wing unmanned aerial vehicles

EHW Ang, DJ Leo, JK Tan, JCM Tay, Y Cui… - Aerospace Science and …, 2024 - Elsevier
Wind tunnel experiments are performed on a flying wing model to investigate the effects of
key design parameters and their cross-interactions on the flutter speed and frequency for …

Body-freedom flutter analysis and flight test for a flying-wing aircraft testbed

Q Zou, R Huang, X Mu, H Hu, Z Fan, H Liu - Mechanical Systems and …, 2024 - Elsevier
The paper presents a systematic study on the body-freedom flutter via a novel nonlinear
aeroservoelastic modeling method and flight test validation. The nonlinear aeroservoelastic …

Full-span flying wing wind tunnel test: a body freedom flutter study

P Shi, J Liu, Y Gu, Z Yang, P Marzocca - Fluids, 2020 - mdpi.com
Aiming at the experimental test of the body freedom flutter for modern high aspect ratio
flexible flying wing, this paper conducts a body freedom flutter wind tunnel test on a full-span …

Linear fractional transformation co-modeling of high-order aeroelastic systems for robust flutter analysis

A Iannelli, A Marcos, R Bombardieri… - European Journal of …, 2020 - Elsevier
This article presents a new paradigm for robust flutter modeling and analysis of high-order
uncertain and linear aeroelastic systems. The fundamental idea is to couple the state-of-art …

Aeroelastic Analyses of the Free Flight of the Active Aeroelastic Aircraft Testbed (A3TB) Platform

B Sharqi, CE Cesnik, N Yechieli, W Mallik… - AIAA Scitech 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-0905. vid This paper describes the
aeroelastic analyses intended and the ones performed on the Active Aeroelastic Aircraft …