首页|Experimental Study on the Effect of Increased Downstroke Duration for an FWAV with Morphing-coupled Wing Flapping Configuration

Experimental Study on the Effect of Increased Downstroke Duration for an FWAV with Morphing-coupled Wing Flapping Configuration

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This paper is based on a previously developed bio-inspired Flapping Wing Aerial Vehicle(FWAV),RoboFalcon,which can fly with a morphing-coupled flapping pattern.In this paper,a simple flapping stroke control system based on Hall effect sensors is designed and applied,which is capable of assigning different up-and down-stroke speeds for the RoboFalcon platform to achieve an adjustable downstroke ratio.The aerodynamic and power characteristics of the morphing-coupled flapping pattern and the conventional flapping pattern with varying downstroke ratios are measured through a wind tunnel experiment,and the corresponding aerodynamic models are developed and analyzed by the nonlinear least squares method.The relatively low power consumption of the slow-downstroke mode of this vehicle is verified through outdoor flight tests.The results of wind tunnel experiments and flight tests indicate that increased downstroke duration can improve aerodynamic and power performance for the RoboFalcon platform.

Flapping wing aerial vehicle(FWAV)Downstroke ratioBio-inspired designMorphing-coupled flapping

Ang Chen、Bifeng Song、Zhihe Wang、Kang Liu、Dong Xue、Xiaojun Yang

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School of Aeronautics,Northwestern Polytechnical University,Xi'an 710072,China

Harbin Institute of Technology,Shenzhen 518055,China

National Natural science Foundation of ChinaNational Natural science Foundation of ChinaND Basic Research FundsBasic Research Program of Shenzhen

5217527712272318G2022WDJCYJ 20190806142816524

2024

10.1007/s42235-023-00443-w

仿生工程学报(英文版)
吉林大学

仿生工程学报(英文版)

CSTPCDEI
影响因子：0.837
ISSN：1672-6529
年,卷(期)：2024.21(1)
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