Search Results - "Preumont, André"

Active Damping, Vibration Isolation, and Shape Control of Space Structures: A Tutorial by Preumont, André

“…This tutorial reviews the author’s contributions to the active control of precision space structures over the past 35 years. It is based on the Santini lecture…”
Get full text

Adaptive Petal Reflector: In-Lab Software Configurable Optical Testing System Metrology and Modal Wavefront Reconstruction by Nielsen, Carl Johan G., Preumont, André

“…This paper addresses two aspects of the metrology of spherical, petal polymer reflectors which are part of an effort by the European Space Agency (ESA) to…”
Get full text

Experimental optimization of wing shape for a hummingbird-like flapping wing micro air vehicle by Nan, Yanghai, Karásek, Matěj, Lalami, Mohamed Esseghir, Preumont, André

“…Flapping wing micro air vehicles (MAVs) take inspiration from natural fliers, such as insects and hummingbirds. Existing designs manage to mimic the wing…”
Get more information

Yaw control torque generation for a hovering robotic hummingbird by Roshanbin, Ali, Preumont, André

“…This study describes the design, development, and flight tests of a novel control mechanism to generate yaw control torque of a hovering robotic hummingbird…”
Get full text

Shape Control of a Unimorph Deformable Mirror for Space Active Optics under Uncertainties by Wang, Kainan, Yu, Yian, Preumont, André

“…This paper focuses on the change of morphing capabilities for a unimorph deformable mirror impacted by environmental factors, which works in space for active…”
Get full text

Hierarchical Morphing Control of an Ultra-Lightweight Electro-Actuated Polymer Telescope with Thin-Film Actuators by Wang, Kainan, Gong, Yuxuan, Yu, Yian, Preumont, André

“…This paper explores advanced shape control techniques for ultra-lightweight electro-actuated polymers with composite ferroelectric thin films. It begins with…”
Get full text

Wavefront Control Strategies for Large Active Thin Shell Primaries with Unimorph Actuators by Wang, Kainan, Yu, Yian, Preumont, André

“…This paper presents various aspects of the wavefront control strategies for an ultra-lightweight composite reflector made of polymers for the large primary of…”
Get full text

Damage Detection in Active Suspension Bridges: An Experimental Investigation by Meng, Fanhao, Mokrani, Bilal, Alaluf, David, Yu, Jingjun, Preumont, André

“…This paper considers a Hilbert marginal spectrum-based approach to health monitoring of active suspension bridge hangers. The paper proposes to takes advantage…”
Get full text

Vibration based damage detection using large array sensors and spatial filters by Deraemaeker, Arnaud, Preumont, André

“…In this paper, a novel approach for vibration based damage detection is proposed. The approach relies on the use of a large network of sensors (possibly…”
Get full text

Adaptive Shell Spherical Reflector Actuated with PVDF-TrFE Thin Film Strain Actuators by Wang, Kainan, Godfroid, Thomas, Robert, Damien, Preumont, André

“…This paper discusses the design and manufacturing of a thin polymer spherical adaptive reflector of diameter D=200 mm, controlled by an array of 25 independent…”
Get full text

Hovering Flight of a Robotic Hummingbird: Dynamic Observer and Flight Tests by Wang, Han, Farid, Yousef, Wang, Liang, Garone, Emanuele, Preumont, André

“…The paper reports on flight tests at hovering of the COLIBRI robot. After a short review of the control model and the stabilization strategy, two different…”
Get full text

Precision Shape Control of Ultra-thin Shells with Strain Actuators by Kainan WANG, David Alaluf, Gonçalo Rodrigues, André Preumont

“…This paper is part of an effort conducted at Université libre de Bruxelles (ULB) on behalf of European Space Agency (ESA) to control the shape of thin polymer…”
Get full text

Adaptive Deployable Thin Spherical Shell Reflectors by Nielsen, Carl Johan G., Tian, Dalong, Wang, Kainan, Preumont, André

“…This paper begins with a quick survey of potential space applications and a brief review of previous experiments on the shape control of a spherical shell…”
Get full text

Thermal Balance and Active Damping of a Piezoelectric Deformable Mirror for Adaptive Optics by Wang, Kainan, Alaluf, David, Preumont, André

“…Piezoelectric unimorph deformable mirrors offer a cheap solution to adaptive optics, with mass production capability. However, standard solutions have…”
Get full text

Computer Controlled Rotational MR-brake for Wrist Rehabilitation Device by Avraam, More, Horodinca, Mihaita, Romanescu, Iulian, Preumont, André

“…This aricle presents a novel, computer controlled, magneto-rheological (MR) brake actuated, muscular rehabilitation, and evaluation device. The first part…”
Get full text

Electrostrictive PVDF-TrFE Thin Film Actuators for the Control of Adaptive Thin Shell Reflectors by Wang, Kainan, Godfroid, Thomas, Robert, Damien, Preumont, André

“…This paper presents the technology to control the shape of thin polymer doubly curved shell structures with a unimorph layer of strain actuators to achieve…”
Get full text

Damping of piezoelectric space instruments: application to an active optics deformable mirror by Alaluf, David, Mokrani, Bilal, Wang, Kainan, Preumont, André

“…This paper presents the shunt damping of a unimorph piezoelectric mirror intended to be used as an active secondary corrector in future space telescopes. We…”
Get full text

A Note on the Electromechanical Design of a Robotic Hummingbird by Preumont, André, Wang, Han, Kang, Shengzheng, Wang, Kainan, Roshanbin, Ali

“…This paper analyzes the lift-production system in hovering of the flapping wing robot COLIBRI of the size of a hummingbird. The paper first examines the…”
Get full text

Pitch and Roll Control Mechanism for a Hovering Flapping Wing MAV by Karásek, Matej, Hua, Alexandre, Nan, Yanghai, Lalami, Mohamed, Preumont, André

“…Hovering flapping flight is inherently unstable and needs to be stabilized actively. We present a control mechanism that modulates independently the wing…”
Get full text

Flapping Flight Stability in Hover: A Comparison of Various Aerodynamic Models by Karásek, Matěj, Preumont, André

“…The interest in flapping wing MAVs has been rising progressively in the past years. The complex aerodynamic mechanisms responsible for high manoeuvrability and…”
Get full text