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At-scale lift experiments modeling dragonfly forewings

机译:在尺度升降机实验建模蜻蜓前进

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摘要

An experimental investigation of the lift performance of an artificial platform at the scale of the dragonfly species Sympetrum sanguineum is presented. The platform, as well as the lift sensor, was custom designed and built. The flapping mechanism consisted of a piezoelectric bending-beam actuator, a transmission using carbon-fiber elements and polymide-film joints, and wings constructed of polyester film with a carbon-fiber support structure. The flapping kinematics of the Sympetrum sanguineum was replicated as closely as possible although only a pair of forewings were used in these experiments. The lift generated, when accounting for the addition of a pair of hindwings, is predicted to be sufficient to allow for the hovering of a dragonfly.
机译:介绍了蜻蜓物种Sympetrum Sanguineum规模的人工平台电梯性能的实验研究。 该平台以及电梯传感器定制设计和构建。 凸起机构由压电弯曲梁致动器,使用碳纤维元件的变速器和聚合物 - 膜接头,以及由碳纤维支撑结构的聚酯膜构成的翼。 尽管在这些实验中只使用了一对药物,但突出的Sympetrum sanguineum的运动学就会尽可能地复制。 当考虑添加一对挤出时,产生的升力是足以允许蜻蜓的悬停。

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