PDE Boundary Control for Flexible Articulated Wings on a Robotic Aircraft

Paranjape, Aditya A.; Guan, Jian; Chung, Soon‐Jo; Krstić, Miroslav

doi:10.1109/tro.2013.2240711

Cited by 142 publications

(100 citation statements)

References 47 publications

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“…(1) and (3), we use a Galerkin formulation. 40,41,43 A linear combination of approximating functions is used to represent the array dynamic state 40 and distributed moment. These functions are chosen such that they satisfy the boundary conditions of the array, i.e., the fixed-free condition.…”

Section: Iia2 Galerkin Formulationmentioning

confidence: 99%

Co-Design of Strain-Actuated Solar Arrays for Spacecraft Precision Pointing and Jitter Reduction

Chilan¹,

Herber²,

Nakka³

et al. 2017

AIAA Journal

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Section: Iia2 Galerkin Formulationmentioning

confidence: 99%

Co-Design of Strain-Actuated Solar Arrays for Spacecraft Precision Pointing and Jitter Reduction

Chilan¹,

Herber²,

Nakka³

et al. 2017

AIAA Journal

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“…(13). Boundary conditions at the wing root, in particular s 0 and 0 0, can be controlled actively via dedicated actuators for stabilizing an unstable wing or for ensuring that the net force on the wing or its components achieve the desired value for specific maneuvers [28].…”

Section: E Structural Dynamicsmentioning

confidence: 99%

Dynamics and Performance of Tailless Micro Aerial Vehicle with Flexible Articulated Wings

et al. 2012

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The purpose of this paper is to analyze and discuss the performance and stability of a tailless micro aerial vehicle with flexible articulated wings. The dihedral angles can be varied symmetrically on both wings to control the aircraft speed independently of the angle of attack and flight-path angle, while an asymmetric dihedral setting can be used to control yaw in the absence of a vertical tail. A nonlinear aeroelastic model is derived, and it is used to study the steadystate performance and flight stability of the micro aerial vehicle. The concept of the effective dihedral is introduced, which allows for a unified treatment of rigid and flexible wing aircraft. It also identifies the amount of elasticity that is necessary to obtain tangible performance benefits over a rigid wing. The feasibility of using axial tension to stiffen the wing is discussed, and, at least in the context of a linear model, it is shown that adding axial tension is effective but undesirable. The turning performance of an micro aerial vehicle with flexible wings is compared to an otherwise identical micro aerial vehicle with rigid wings. The wing dihedral alone can be varied asymmetrically to perform rapid turns and regulate sideslip. The maximum attainable turn rate for a given elevator setting, however, does not increase unless antisymmetric wing twisting is employed.

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“…Occasionally, if the wing is highly flexible, a control approach which incorporates wing deformation may need to employed to stabilize the elastic dynamics of the wing and ensure that it produces the desired force and moment [66].…”

Section: Control Of Gliding Flightmentioning

confidence: 99%

A Flight Mechanics-Centric Review of Bird-Scale Flapping Flight

Paranjape¹,

Dorothy²,

Chung³

et al. 2012

International Journal of Aeronautical and Space Sciences

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This paper reviews the flight mechanics and control of birds and bird-size aircraft. It is intended to fill a niche in the current survey literature which focuses primarily on the aerodynamics, flight dynamics and control of insect scale flight. We review the flight mechanics from first principles and summarize some recent results on the stability and control of birds and bird-scale aircraft. Birds spend a considerable portion of their flight in the gliding (i.e., non-flapping) phase. Therefore, we also review the stability and control of gliding flight, and particularly those aspects which are derived from the unique control features of birds.

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PDE Boundary Control for Flexible Articulated Wings on a Robotic Aircraft

Cited by 142 publications

References 47 publications

Co-Design of Strain-Actuated Solar Arrays for Spacecraft Precision Pointing and Jitter Reduction

Co-Design of Strain-Actuated Solar Arrays for Spacecraft Precision Pointing and Jitter Reduction

Dynamics and Performance of Tailless Micro Aerial Vehicle with Flexible Articulated Wings

A Flight Mechanics-Centric Review of Bird-Scale Flapping Flight

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