Physics of gust response mitigation in open-loop pitching manoeuvres
G Sedky, A Gementzopoulos… - Journal of Fluid …, 2022 - cambridge.org
This paper experimentally investigates the flow field development and unsteady loading of
three force-mitigating pitch manoeuvres during a transverse gust encounter. The …
three force-mitigating pitch manoeuvres during a transverse gust encounter. The …
[HTML][HTML] Gust mitigation with an oscillating airfoil at low Reynolds number
The encounter between micro-aerial vehicles (MAVs) and gusts is often detrimental and
mitigating the effects of the gust is important for operating MAVs under severe environmental …
mitigating the effects of the gust is important for operating MAVs under severe environmental …
Experimental investigation of transverse and vortex gust encounters at low Reynolds numbers
This paper aims to study the lift response of transverse and vortex gust encounters. A sine-
squared transverse gust was created in a water towing tank using a water jet, whereas a …
squared transverse gust was created in a water towing tank using a water jet, whereas a …
Gust encounters of rigid wings: Taming the parameter space
AR Jones - Physical Review Fluids, 2020 - APS
One of the primary challenges in the study of gust encounters lies in isolating, defining, and
parametrizing a specific problem in a highly unsteady, three-dimensional, and multiscale …
parametrizing a specific problem in a highly unsteady, three-dimensional, and multiscale …
Overview of unsteady aerodynamic response of rigid wings in gust encounters
Recent interest in flight through gusty winds has given rise to a large body of work on
discrete large-amplitude gust encounters where the magnitude of the flow disturbance is …
discrete large-amplitude gust encounters where the magnitude of the flow disturbance is …
Deep reinforcement learning of airfoil pitch control in a highly disturbed environment using partial observations
D Beckers, JD Eldredge - Physical Review Fluids, 2024 - APS
This study explores the application of deep reinforcement learning (RL) to design an airfoil
pitch controller capable of minimizing lift variations in randomly disturbed flows. The …
pitch controller capable of minimizing lift variations in randomly disturbed flows. The …
Iterative maneuver optimization in a transverse gust encounter
This paper presents a framework based on either iterative simulation or iterative
experimentation for constructing an optimal, open-loop maneuver to regulate the …
experimentation for constructing an optimal, open-loop maneuver to regulate the …
Experimental comparison of a sinusoidal and trapezoidal transverse gust
UNSTEADY flow conditions experienced in wing–gust encoun-ters have been the focus of
many experimental and computational studies [1–6]. Wing–gust encounters have been …
many experimental and computational studies [1–6]. Wing–gust encounters have been …
Design of optimal wing maneuvers in a transverse gust encounter through iterated simulation or experiment
Wing–gust encounters cause harmful lift transients that can be mitigated through
maneuvering of the wing. This paper presents a method to generate an open-loop (ie …
maneuvering of the wing. This paper presents a method to generate an open-loop (ie …
Transverse gust generation in a wind tunnel: a suction-driven approach
Abstract The Andrew Fejer Unsteady Wind Tunnel was modified to add a suction duct on top
of the test section to generate a vertical velocity component (cross flow). The suction …
of the test section to generate a vertical velocity component (cross flow). The suction …