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This paper presents a prototype of a flapping wing robot with a 24cm wingspan, a 20cm long body and a weight of 12.8g without battery and electronics. The prototype is composed of a driving mechanism, two pairs of wings, and a tail. The driving mechanism is simple but efficient, which is composed of a DC motor, a gear reduction unit and two pairs of crank-link mechanisms. The kinematics of the driving...
This study presents wing‐beat frequency data measured mainly by radar, complemented by video and cinematic recordings, for 153 western Palaearctic and two African species. Data on a further 45 Palaearctic species from other sources are provided in an electronic appendix. For 41 species with passerine‐type flight, the duration of flapping and pausing phases is given. The graphical presentations of...
In this work, we present an insect-inspired design of a motor-driven flapping wing system that mimics beetle in terms of beetle's dimension, flapping frequency and wing kinematics. In the design, we used a combination of a Scotch yoke mechanism and a linkage system to transform the rotary motion of a motor into a large flapping motion. A passive wing rotation mechanism was implemented into the flapper...
Ostraciiform is the simplest swimming strategy in the aquatic environment. The bio-mimicking of this swimming mode makes it possible to be the alternative propulsion method for underwater vehicles. Both swimming thrust and steering can be controlled with the caudal fin; and the turning parameters are the flapping frequency and amplitude. In this research, experiments were conducted to characterize...
This paper presents microfabricated flapping-wings for insect-inspired flying robots. To the authors' knowledge, this is the first report of any such MEMS devices for this application. This work is a component of on-going efforts by the US Army Research Laboratory (ARL) in developing millimeter-scale robotic platforms using thin-film lead zirconium titanate (PZT) actuators. Micromachined wing-structures...
The ostraciiform swimming mode allows the simplest mechanical design and control for fish robot swimming. Propulsion is achieved via the flapping of caudal fin without the undulatory body motion. In this research, some rigid caudal fins were used to identify the effects of flapping frequency and flapping amplitude on the swimming velocity of an ostraciiform fish robot. Experiments were conducted to...
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