Resonance-Driven Passive Folding/Unfolding Flapping Wing Actuator
Applied Sciences, 2020 The wings of flapping-wing micro aerial vehicles (MAVs) face the risk of breakage. To solve this issue, we propose the use of a biomimetic foldable wing.
Takashi Ozaki +2 more
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Dynamic analysis of wing deployment of high altitude balloon launched small size folding-wing UAV1
MATEC Web of Conferences, 2018 The batch launch of small folding-wing UAVs by high altitude balloon at high altitude is a new technology in recent years. The wing deployment process at 20km altitude is analyzed, and mathematical model of the wing delivery is established.
Zhang Hangyue, Yang Yanchu
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Aerodynamic Characteristics of a Z-Shaped Folding Wing
Aerospace, 2023 Z-shaped folding wings have the potential to enhance the flight performance of an aircraft, contingent upon its mission requirements. However, the current scope of research on unmanned aerial vehicles (UAVs) with Z-shaped folding wings primarily focuses ...
Yongchang Huang +2 more
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Calculation of the Hinge Moments of a Folding Wing Aircraft during the Flight-Folding Process
International Journal of Aerospace Engineering, 2019 A folding wing morphing aircraft should complete the folding and unfolding process of its wings while in flight. Calculating the hinge moments during the morphing process is a critical aspect of a folding wing design.
Hao Xu +3 more
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Aeroelasticity study of high span ratio wing with flare folding wingtip
Xibei Gongye Daxue XuebaoFlare folding wing-tips rely on the adaptive deformation of the structure to reduce the flight load, which can effectively simplify the control system, and has more advantages in cost and weight.
YE Bo +4 more
doaj +2 more sources
Actuators, 2021 The cable-spring folding wing is a novel type of rigid-flexible coupling structure for missiles, which is composed of several sets of deployable mechanisms, with each composed of a wheel-rope transmission system and a parallel spring driving mechanism ...
Yun Gao +3 more
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Design and Aerodynamic Analysis of Flapping Mechanism of Two-stage Flapping-wing Aircrafts
Jixie chuandong, 2022 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 ...
Sheng Dian +3 more
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Improved Active Disturbance Rejection Control for Multibody Folding Wing Under Variable Loads
Shanghai Jiaotong Daxue xuebaoTo address the issue of multi-body folding wings being subjected to aerodynamic load changes, gravity reversal, and external disturbances during coordinated tilting, an improved active disturbance rejection control (ADRC) strategy based on the ...
HAN Yifan, CHEN Boyi, LIU Yanbin, CHEN Jinbao
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Design and Performance Study of Small Multirotor UAVs with Adjunctive Folding-Wing Range Extender
DronesSmall multi-rotor UAVs face endurance limitations during long-range missions due to high rotor energy consumption and limited battery capacity. This paper proposes a folding-wing range extender integrating a sliding-rotating two-degree-of-freedom folding
Ronghao Zhang +4 more
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Testing of Folding Wing-Tip for Gust Load Alleviation in High Aspect Ratio Wing [PDF]
, 2019 Folding wing-tips have begun to feature on recent aircraft designs, as a solution for compliance with existing airport gate width, whilst the higher aspect ratio will lead to lower induced drag and better overall fuel efficiency.
Thomas Wilson +7 more
core +3 more sources