Aerodynamic study of a flapping-wing micro-UAV

Vest, Michael; Katz, Joseph

doi:10.2514/6.1999-994

Cited by 16 publications

(7 citation statements)

References 13 publications

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“…For example, in the past, several different combinations and manifestations of these methods have been used to examine flapping flight. [19][20][21] In order to understand flapping flight, a philosophy involving both top-down and bottom-up analysis is being examined. The top-down approach explores existing successful designs (natural flapping flight) for insight and inspiration.…”

Section: Introductionmentioning

confidence: 99%

Multifidelity Approaches for the Computational Analysis and Design of Effective Flapping Wing Vehicles

Willis

Persson

Israeli

et al. 2008

46th AIAA Aerospace Sciences Meeting and Exhibit

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In this paper we review several computational aerodynamics tools which we are using to examine and understand flapping flight. The computational methods incorporate different levels of geometric and physical modeling fidelity, ranging from simplified models which determine optimal wake vorticity distributions (eg. Hall et al. 1-3) to accurate descriptions of the flow physics. By exploiting multiple fidelity levels, computations can be efficiently performed at the required fidelity level making design and analysis a more efficient task. Several computational results are presented illustrating the versatility of the computational methods which are presented. The computational investigations explore top-down and bottom-up philosophies to enhance the understanding of flapping flight physics, force production and energetics. The results which are discussed range from simple two dimensional prescribed motions, to three-dimensional aerodynamics simulations of geometrically accurate bat flight.

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Section: Introductionmentioning

confidence: 99%

Multifidelity Approaches for the Computational Analysis and Design of Effective Flapping Wing Vehicles

Willis

Persson

Israeli

et al. 2008

46th AIAA Aerospace Sciences Meeting and Exhibit

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show abstract

“…Various experimenters have also attempted to measure forces generated by mechanically flapped wings in wind tunnels (24,25) , water tunnels (26) and oil tanks (27) .…”

Section: Introductionmentioning

confidence: 99%

An investigation into the longitudinal dynamics and control of a flapping wing micro air vehicle at hovering flight

2003

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This paper describes the research into the flight dynamics modelling and flight control of a flapping wing micro aerial vehicle (MAV). The equations of motion based on a multi-body representation of the vehicle and the flapping wings were derived and form the basis for the simulation program, which was developed using MATLAB and SIMULINK. The aerodynamic forces were obtained through experimental methods and form the basis for the aerodynamic model. The hovering and low speed flight of the MAV was investigated using a SIMULINK simulation model. Various flight control concepts, inspired by observation of insect and bird flight, were investigated in some detail. The concepts include the control of flap frequency, flap and pitch phasing (wing beat kinematics) and shift in centre of gravity position. The paper concludes with a comparison of the control concepts and their feasibility for a practical vehicle application.

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“…Several studies have been made on flapping flight using this one DOF. Vest and Katz 16) pointed out that a one DOF flapping MAV modeled after a typical pigeon (Columba livia) can develop sufficient thrust to propel itself in a steady forward flight. It is also proposed that the propulsive efficiency of a future MAV in a steady forward flight can be significantly improved by adding periodic twisting (feathering) during the flapping cycle.…”

Section: General Flapping Wing Kinematicsmentioning

confidence: 99%

“…For instance, Jones and Platzer 11) calculated the inviscid flow for 2D airfoils in plunging and pitching motion in comparison with analytical results. Calculations of inviscid 3D flow around flapping wings are also available with respect to time-dependent forces in the works of Smith,12) and Vest and Katz, 13) but results for mean thrust output and efficiency are rarely available. For the viscous flow around 2D and 3D wings, NavierStokes solutions have been presented by Isogai et al 14) and Isogai,15) respectively.…”

Section: Introductionmentioning

confidence: 99%

Development of Bird-like Micro Aerial Vehicle with Flapping and Feathering Wing Motions

Maglasang

Goto

Isogai

2008

Trans. Japan Soc. Aero. S Sci.

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To investigate the feasibility of a highly efficient flapping system capable of avian maneuvers, such as rapid takeoff, hover and gliding, a full scale bird-like (ornithopter) flapping-wing micro aerial vehicle (MAV) shaped and patterned after a typical pigeon (Columba livia) has been designed and constructed. Both numerical and experimental methods have been used in the development of this vehicle. This flapping-wing micro aerial vehicle utilizes both the flapping and feathering motions of an avian wing by employing a novel flapping-feathering mechanism, which has been synthesized and constructed so as to best describe the properly coordinated flapping and feathering wing motions at phase angle difference of 90 in a horizontal steady level flight condition. This design allows high flapping and feathering amplitudes and is configurable for asymmetric wing motions which are desirable in high-speed flapping flight and maneuvering. The preliminary results indicate its viability as a practical and an efficient flapping-wing micro aerial vehicle.

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Aerodynamic study of a flapping-wing micro-UAV

Cited by 16 publications

References 13 publications

Multifidelity Approaches for the Computational Analysis and Design of Effective Flapping Wing Vehicles

Multifidelity Approaches for the Computational Analysis and Design of Effective Flapping Wing Vehicles

An investigation into the longitudinal dynamics and control of a flapping wing micro air vehicle at hovering flight

Development of Bird-like Micro Aerial Vehicle with Flapping and Feathering Wing Motions

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