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arXiv 2002.02421physics.flu-dynphysics.app-ph
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生物启发的协同机翼和尾翼变形扩展了无人机的飞行能力

Bio-Inspired Synergistic Wing and Tail Morphing Extends Flight Capabilities of Drones

Enrico Ajanic, Mir Feroskhan, Stefano Mintchev, Flavio Noca, Dario Floreano

摘要:

无人机在复杂环境和广阔区域的操作需要自适应飞行能力,以满足敏捷和快速巡航飞行的相反空气动力学要求。需要高敏捷性和机动性来积极地绕过障碍物并执行瞬时起飞或着陆,同时在覆盖长距离时需要高能量效率。在自然界中,一些鸟类通过翅膀和尾巴的协同适应来满足这些要求,例如北苍鹰,它在穿越森林时表现出高度的敏捷性和机动性,在开阔地伏击猎物时表现出快速稳定的飞行能力。本文利用一种新型的仿生翼-尾变形无人机,对仿生翼-尾变形对飞行性能的影响进行了实验研究。研究表明,翼尾复合变形可以提高无人机的敏捷性、机动性、稳定性、飞行速度范围和能量效率。无人机的飞行性能在风洞试验、外形优化研究和室外飞行试验中得到验证。

英文摘要:

The operation of drones in cluttered environments and over extended areas demands adaptive flight capabilities to meet the opposing aerodynamic requirements of agile and fast cruise flight. High agility and maneuverability are required to aggressively navigate around obstacles and to perform instantaneous takeoffs or landings, while high energy efficiency is desired when covering large distances. In nature, these requirements are met by some birds by synergistic adaptation of wings and tail, such as the northern goshawk, which displays high agility and maneuverability when flying through forests and fast steady flight capabilities when ambushing prey in the open field. In this article, we experimentally study the effects of bio-inspired wing and tail morphing on flight performance by means of a novel morphing drone. We show that the combined morphing of wing and tail can improve agility, maneuverability, stability, flight velocity range, and energy efficiency of a winged drone. The drone's flight performance is validated in wind tunnel tests, shape optimization studies and outdoor flight tests.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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