Wind tunnel system for active flutter suppression research: Overview and insights

S Ricci, F Toffol, A De Gaspari, L Marchetti, F Fonte… - AIAA Journal, 2022 - arc.aiaa.org
This paper describes the development of a new state-of-the-art large wind tunnel model for
active flutter suppression studies as well as the supporting techniques used in tests focused …

A review of current research in subscale flight testing and analysis of its main practical challenges

A Sobron, D Lundström, P Krus - Aerospace, 2021 - mdpi.com
Testing of untethered subscale models, often referred to as subscale flight testing, has
traditionally had a relatively minor, yet relevant use in aeronautical research and …

Aeroelastic evaluation of a flexible high aspect ratio wing UAV: Numerical simulation and experimental flight validation

M Bras, S Warwick, A Suleman - Aerospace Science and Technology, 2022 - Elsevier
Aeroelastic phenomena occur when aerodynamic and structural loads interact in an
unstable manner. This is a major concern in the design of modern high aspect ratio wing …

Enhanced Unsteady Vortex Lattice Aerodynamics for Nonlinear Flexible Aircraft Dynamic Simulation

S Düssler, R Palacios - AIAA Journal, 2024 - arc.aiaa.org
Several modeling extensions and numerical improvements to the unsteady vortex-lattice
method are discussed for the simulation of very flexible aircraft dynamics. In particular …

Aircraft design and testing of FLEXOP unmanned flying demonstrator to test load alleviation and flutter suppression of high aspect ratio flexible wings

C Roessler, P Stahl, F Sendner, A Hermanutz… - AIAA scitech 2019 …, 2019 - arc.aiaa.org
Flutter Free FLight Envelope eXpansion for ecOnomic Performance improvement (FLEXOP)
is a project within the European Union's Horizon 2020 framework. Its main goal is to raise …

Flight control design for a highly flexible flutter demonstrator

T Luspay, D Ossmann, M Wuestenhagen… - AIAA Scitech 2019 …, 2019 - arc.aiaa.org
The paper presents the control design approaches for the European research project
FLEXOP. The ultimate goal is to develop and apply active flutter suppression and load …

Structured control design for a highly flexible flutter demonstrator

M Pusch, D Ossmann, T Luspay - Aerospace, 2019 - mdpi.com
The model-based flight control system design for a highly flexible flutter demonstrator,
developed in the European FLEXOP project, is presented. The flight control system includes …

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 …

Application of aeroelastic tailoring for load alleviation on a flying demonstrator wing

WR Krüger, YM Meddaikar, JKS Dillinger, J Sodja… - Aerospace, 2022 - mdpi.com
This article presents the application of aeroelastic tailoring in the design of wings for a flying
demonstrator, as well as the validation of the design methodology with flight test results. The …

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 …