AIMC Topic: Wings, Animal

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Folding in and out: passive morphing in flapping wings.

Bioinspiration & biomimetics
We present a new mechanism for passive wing morphing of flapping wings inspired by bat and bird wing morphology. The mechanism consists of an unactuated hand wing connected to the arm wing with a wrist joint. Flapping motion generates centrifugal acc...

A bioinspired multi-modal flying and walking robot.

Bioinspiration & biomimetics
With the aim to extend the versatility and adaptability of robots in complex environments, a novel multi-modal flying and walking robot is presented. The robot consists of a flying wing with adaptive morphology that can perform both long distance fli...

Ultraviolet in swallowtail butterflies: contrasted dorso-ventral evolution highlights a trade-off between natural and sexual selection on visual cues.

Evolution; international journal of organic evolution
The evolutionary dynamics of color pattern diversification in animals is strongly influenced by visual interactions within and among species. While much attention has been given to color pattern variation in the human-visible range, perception outsid...

Bioinspired adaptive visual servoing control for quadrotors.

Bioinspiration & biomimetics
Since every flight ends in a landing and every landing is a potential crash, deceleration during landing is one of the most critical flying maneuvers. Here we implement a recently-discovered insect visual-guided landing strategy in which the divergen...

Reconstruction of Flight Parameters of a Bat for Flapping Robots.

Journal of biomechanical engineering
The flight of bats is comparatively less documented and understood than birds and insects and may provide novel inspiration for the design of flapping flight robots. This study captured the natural flight of short-nosed fruit bats (Cynopterus sphinx)...

Mechanisms of collision recovery in flying beetles and flapping-wing robots.

Science (New York, N.Y.)
At rest, beetles fold and tuck their hindwings under the elytra. For flight, the hindwings are deployed through a series of unfolding configurations that are passively driven by flapping forces. The folds lock into place as the wing fully unfolds and...

Good vibrations for flapping-wing flyers.

Science robotics
Studies of insect flight reveal how flapping-induced vibrations augment flight stability of tailless flapping-wing flyers.

Enhancing insect flight research with a lab-on-cables.

Science robotics
A cable-driven robot that tracks flying insects at close range offers a useful method to study insects in free flight.

Soft biohybrid morphing wings with feathers underactuated by wrist and finger motion.

Science robotics
Since the Wright Flyer, engineers have strived to develop flying machines with morphing wings that can control flight as deftly as birds. Birds morph their wing planform parameters simultaneously-including sweep, span, and area-in a way that has prov...