Design and Aerodynamic Analysis of Flapping Mechanism of Two-stage Flapping-wing Aircrafts

Sheng Dian; Zeng Zhiqiang; Wang Guanqun; Li Xinyue

doi:10.16578/j.issn.1004.2539.2022.11.011

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Design and Aerodynamic Analysis of Flapping Mechanism of Two-stage Flapping-wing Aircrafts

Design· Calculation | 更新时间：2022-12-01

- Design and Aerodynamic Analysis of Flapping Mechanism of Two-stage Flapping-wing Aircrafts
- Journal of Mechanical Transmission Vol. 46, Issue 11, Pages: 70-76(2022)
- 作者机构：
  
  1.长治职业技术学院机械电子工程系，山西长治 046000
  2.中北大学机械工程与自动化学院，山西太原 030003
  3.浙江理工大学机械与自动控制学院，浙江杭州 310018
  4.深圳市瀚德智能机器人有限公司，广东深圳 518048
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.11.011
  CLC：
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盛典,曾志强,王冠群等.两段式扑翼飞行器扑动机构的设计与气动力学分析[J].机械传动,2022,46(11):70-76.

Sheng Dian,Zeng Zhiqiang,Wang Guanqun,et al.Design and Aerodynamic Analysis of Flapping Mechanism of Two-stage Flapping-wing Aircrafts[J].Journal of Mechanical Transmission,2022,46(11):70-76.
盛典,曾志强,王冠群等.两段式扑翼飞行器扑动机构的设计与气动力学分析[J].机械传动,2022,46(11):70-76. DOI： 10.16578/j.issn.1004.2539.2022.11.011.

Sheng Dian,Zeng Zhiqiang,Wang Guanqun,et al.Design and Aerodynamic Analysis of Flapping Mechanism of Two-stage Flapping-wing Aircrafts[J].Journal of Mechanical Transmission,2022,46(11):70-76. DOI： 10.16578/j.issn.1004.2539.2022.11.011.

摘要

为了提高扑翼飞行器的飞行性能，借鉴大型鸟类的飞行运动特征，设计了一种新型两段式可折叠仿生扑翼机构，并建立了扑翼机构的运动学和气动力学模型，对扑翼机构的运动性能和气动性能进行了分析。结果表明，所设计的新型折叠扑翼机构内翼上扑动极限为45.3°、下扑动极限为-5.2°，外翼机构的上扑动极限为46.1°、下扑动极限为-27.9°，与大型鸟类飞行运动参数一致；基于条带理论和扑翼飞行器的气动力模型，分别对新型两段式折叠扑翼、传统无折叠扑翼的气动力进行计算比较，前者的平均升力为后者的4.31倍，两段式折叠扑翼飞行结构具有更好的气动特性。

Abstract

In order to improve the flight performance of the flapping-wing aircraft, this study draws on the characteristics of the flight movement of large birds, designs a new two-stage foldable bionic flapping-wing mechanism, and establishes the kinematic and aerodynamic models of the flapping-wing mechanism. The motion performance and aerodynamic performance of the wing mechanism are analyzed. The results show that the upper flapping limit of the inner wing of the designed new folding flapping wing mechanism is 45.3°, the lower flapping limit is -5.2°, the upper flapping limit of the outer wing mechanism is 46.1°, and the lower flapping limit is -27.9°. These are consistent with the flight motion parameters of large birds; based on the strip theory and the aerodynamic model of the flapping-wing aircraft, the aerodynamic forces of the new two-stage folding flapping wing and the traditional non-folding flapping wing are calculated and compared. The average lift of the former is 4.31 times that of the latter and the two-stage folding flapping-wing flying structure has better aerodynamic characteristics.

关键词

两段式仿生扑翼机构折叠运动学分析气动力

Keywords

Two-stage flapping-wing mechanismFoldKinematic analysisAerodynamics

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