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   Articles with "flapping wing" as a keyword



Development of Large Wingspan Flapping‐Wing Flying Robots With Improved Efficiency by Rigid‐Flexible Coupling Flapping Mechanism

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recommendations! Published in 2025 at "Journal of Field Robotics"

DOI: 10.1002/rob.70054

Abstract: The flight efficiency of bionic flapping‐wing robots is largely influenced by the flapping mechanism. This paper presents the development of a large wingspan flapping‐wing flying robot that utilizes a rigid‐flexible coupling flapping mechanism to reduce… read more here.

Keywords: efficiency; rigid flexible; flexible coupling; flapping wing ... See more keywords

Study on the structural optimization of a flapping wing micro air vehicle

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recommendations! Published in 2018 at "Structural and Multidisciplinary Optimization"

DOI: 10.1007/s00158-017-1772-7

Abstract: The development of flapping wing micro air vehicles (MAVs) has yielded remarkable progress over the last decades. Achieving high component stiffness is often in conflict with low weight requirement, which is highly desirable for longer… read more here.

Keywords: wing micro; flapping wing; micro air; topology ... See more keywords

Numerical investigation on aerodynamic performance of a bionic flapping wing

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recommendations! Published in 2019 at "Applied Mathematics and Mechanics"

DOI: 10.1007/s10483-019-2532-8

Abstract: This paper numerically studies the aerodynamic performance of a bird-like bionic flapping wing. The geometry and kinematics are designed based on a seagull wing, in which flapping, folding, swaying, and twisting are considered. An in-house… read more here.

Keywords: bionic flapping; flapping wing; aerodynamic performance; unsteady flow ... See more keywords

Energy-efficient wing design for flapping wing micro aerial vehicles

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recommendations! Published in 2019 at "Journal of Mechanical Science and Technology"

DOI: 10.1007/s12206-019-0804-1

Abstract: Flapping wing micro aerial vehicles (FWMAVs) have attracted more attention during the development of the robotic systems field. The size of the flapping wing plays an important role in the lift force and torque generation… read more here.

Keywords: wing micro; energy; aerial vehicles; flapping wing ... See more keywords

Optimization of the Spanwise Twist of a Flapping Wing for Bird-sized Aircraft using a Quasi-Steady Aerodynamic Model

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recommendations! Published in 2019 at "International Journal of Aeronautical and Space Sciences"

DOI: 10.1007/s42405-019-00154-9

Abstract: This paper analyzes the effect of spanwise distribution of twist angle on the forces generated by flapping wings as well as the power requirements. We consider four sample profiles of the twist angle as a… read more here.

Keywords: flapping wing; twist; spanwise; optimization spanwise ... See more keywords

Unsteady aerodynamic and optimal kinematic analysis of a micro flapping wing rotor

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recommendations! Published in 2017 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2016.12.025

Abstract: Abstract Inspired by the high performance of rotary and insect flapping wings capable of vertical take-off and landing and hovering (VTOLH), a novel flapping wing rotor (FWR) has been developed by combining the above two… read more here.

Keywords: optimal kinematic; analysis; flapping wing; wing rotor ... See more keywords

Wing flexibility effects on the flight performance of an insect-like flapping-wing micro-air vehicle

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recommendations! Published in 2018 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2018.06.007

Abstract: Abstract This study explores the effects of wing flexibility on several characteristics of flight, in this case the trim conditions, power requirements and dynamic stability of an insect-like flapping-wing micro-air vehicle (FWMAV) based on the… read more here.

Keywords: insect like; wing micro; flapping wing; like flapping ... See more keywords
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On the controlled evolution for wingtip vortices of a flapping wing model at bird scale

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recommendations! Published in 2021 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2020.106460

Abstract: Abstract The reduction of wingtip vortices is a critical and challenging task for aircraft wing-design. Inspired by the wingtip morphology of soaring birds, Whitcomb created winglets to reduce the drag of commercial airplanes significantly. As… read more here.

Keywords: evolution; wingtip vortices; flapping wing; tip vortices ... See more keywords
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The modeling and numerical solution for flapping wing hovering wingbeat dynamics

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recommendations! Published in 2021 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2020.106474

Abstract: Abstract The production of wingbeat motion of flapping wing hovering flight are determined by the actuating, aerodynamic and inertia forces/moments, which influence the dynamic unsteadiness and controllability of flapping wing flying. This paper presents the… read more here.

Keywords: flapping wing; pitch; hovering wingbeat; wing hovering ... See more keywords

Hover flight control of X-shaped flapping wing aircraft considering wing–tail interactions

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recommendations! Published in 2021 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2021.106870

Abstract: Abstract The dynamic modelling and attitude controller design of a flapping wing aircraft, Beihawk, were investigated in this study. The aircraft features of an X-shaped flapping wing configuration, tail control surfaces installed downstream of the… read more here.

Keywords: flapping wing; control; wing tail; aircraft ... See more keywords

Comparative dynamic flight stability of insect-inspired flapping-wing micro air vehicles in hover: Longitudinal and lateral motions

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recommendations! Published in 2021 at "Aerospace Science and Technology"

DOI: 10.1016/j.ast.2021.107085

Abstract: Abstract In this paper, we compare the characteristics of hovering stability for two insect-inspired flapping-wing micro air vehicles (FW-MAVs) with different strategies to generate control moments for the longitudinal and lateral attitude controls. The two… read more here.

Keywords: longitudinal lateral; inspired flapping; wing micro; flapping wing ... See more keywords