Rotational accelerations stabilize leading edge vortices on revolving fly wings [PDF]
The aerodynamic performance of hovering insects is largely explained by the presence of a stably attached leading edge vortex (LEV) on top of their wings. Although LEVs have been visualized on real, physically modeled, and simulated insects, the physical
Dickinson, Michael H., Lentink, David
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Body flexion effect on the flight dynamics of a hovering hawkmoth
The position and attitude controls of flapping wing flyers are challenging because of their inherent instabilities. Insects can cope with such difficulties by finely and quickly tuning their wing kinematics.
Ryusuke NODA, Toshiyuki NAKATA, Hao LIU
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Armament imbalances: match and mismatch in plant-pollinator traits of highly specialized long-spurred orchids. [PDF]
Some species of long-spurred orchids achieve pollination by a close association with long-tongued hawkmoths. Among them, several Habenaria species present specialized mechanisms, where pollination success depends on the attachment of pollinaria onto the ...
Marcela Moré +5 more
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On mathematical modelling of insect flight dynamics in the context of micro air vehicles [PDF]
This paper discusses several aspects of mathematical modelling relevant to the flight dynamics of insect flight in the context of insect-like flapping wing micro air vehicles (MAVs).
Ansar, Salman A. +2 more
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Flight Mechanics and Control of Escape Manoeuvres in Hummingbirds. II. Aerodynamic Force Production, Flight Control and Performance Limitations [PDF]
The superior manoeuvrability of hummingbirds emerges from complex interactions of specialized neural and physiological processes with the unique flight dynamics of flapping wings.
Cheng, Bo +7 more
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Northerly-Outlying Records of Two Species of Hawkmoths (Lepidoptera: Sphingidae) in Michigan [PDF]
(Excerpt) The Grand Traverse Region of Lower Michigan is of special interest zoo- geographically in that it includes the northernmost known localities for various species of organisms characteristic of the Carolinian Biotic Province (Douglass 1977, 1983;
Douglass, John F
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Colour constancy in diurnal and nocturnal hawkmoths [PDF]
SUMMARY Diurnal and nocturnal hawkmoths have been shown to use colour vision for flower discrimination. Here, we present evidence that the nocturnal hawkmoth Deilephila elpenor and the diurnal hawkmoth Macroglossum stellatarum also have colour constancy. Colour constancy was shown in D.
Anna, Balkenius, Almut, Kelber
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The roles of vision and antennal mechanoreception in hawkmoth flight control
Flying animals need continual sensory feedback about their body position and orientation for flight control. The visual system provides essential but slow feedback. In contrast, mechanosensory channels can provide feedback at much shorter timescales. How
Ajinkya Dahake +4 more
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Some insects use leading-edge vortices to generate high lift forces, as has been inferred from qualitative smoke visualisations of the flow around their wings.
Bomphrey, Richard J. +3 more
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Feedback Control as a Framework for Understanding Tradeoffs in Biology [PDF]
Control theory arose from a need to control synthetic systems. From regulating steam engines to tuning radios to devices capable of autonomous movement, it provided a formal mathematical basis for understanding the role of feedback in the stability (or ...
Ankarali, Mustafa Mert +9 more
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