Results 71 to 80 of about 528 (167)

From Origami to Bistable and Laminate Structures: A Review for Multifunctional Applications from Structural Perspective of Shape‐Changing Structures

open access: yesAdvanced Intelligent Systems, Volume 8, Issue 2, February 2026.
This review explores how shape‐changing structures—origami, bistable, and laminate structures—enable multifunctionality in soft robotics and metamaterials. Starting from structural design, it examines core principles, real‐world applications, and ongoing challenges.
Lingchen Kong, Yaoyao Fiona Zhao
wiley   +1 more source

Difficulty of Controlling a Flapping-wing Aircraft Compared to a Rotary-wing Aircraft

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, 2023
KIMURA, Kengo, SUNADA, Shigeru
openaire   +1 more source

Aerodynamic Analysis of Retractable Belly Flap for a Flying Wing Aircraft

open access: yesHangkong gongcheng jinzhan, 2022
The study on the lift enhancement effect of the retractable belly flap on the flying wing configuration can conclude the effect rules on aircraft aerodynamic force. A flying wing configuration model is taken as the initial shape of flying wing configuration aircraft,the numerical simulation distribution method is used to select the types of crevices ...
CHEN Xian   +4 more
openaire   +1 more source

Research on the Flight Characteristics of Beetles and the Design of Bionic Aircraft

open access: yesProceedings
The flying wing of the beetle exhibits unique wing spreading–flying–collecting behavior in the process of flight, which is the best bionic object for flapping wing aircraft design.
Huan Shen, Zhiyuan Mao, Aihong Ji
doaj   +1 more source

Research progress on the flight mechanism of butterfly and butterfly-inspired flapping-wing air vehicles

open access: yes工程科学学报
Bionic flapping-wing air vehicles present notable advantages, including high maneuverability, concealment, and efficiency. They hold promising applications in military reconnaissance and exploration search and rescue, rooted in a comprehensive ...
Yixin ZHANG   +5 more
doaj   +1 more source

Energy self-consistency of small aircraft combining triboelectric nanogenerator structure and flexible-wing technology [PDF]

open access: yesMechanical Sciences
Stable energy output is crucial for the sustained flight of small aircraft, particularly flapping-wing air vehicles (FAVs). Traditional energy supply methods, such as batteries, suffer from limitations in weight, range, and environmental impact.
G. Zhao, Z. Liu
doaj   +1 more source

The Coupled Wing Morphing of Ornithopters Improves Attitude Control and Agile Flight

open access: yesMachines
Bird wings are exquisite mechanisms integrated with multiple morphological deformation joints. The larger avian species are particularly adept at utilizing their wings’ flapping, folding, and twisting motions to control the wing angle and area.
Yu Cai   +3 more
doaj   +1 more source

Impact of inter-wing spacing on aerodynamic noise in multi-flapping wing configurations

open access: yesKongqi donglixue xuebao
Investigation into noise reduction techniques for flapping-wing micro aerial vehicles is crucial for enhancing their application potential. The phenomenon of clustering among flying animals has garnered considerable research interest, as it provides ...
Yuxin Xie   +2 more
doaj   +1 more source

Design of an electronic image stabilization algorithm for flapping-wing flying robots

open access: yes工程科学学报
During the flight of a flapping-wing flying robot, the unique flapping-wing propulsion mechanism causes periodic pitching and rolling motions of the body. In passing through different airspeeds and altitudes over different terrain, the wings cycle up-and-
Shengnan LIU   +4 more
doaj   +1 more source

Design And Analysis of Flapping Wing Aircraft Based on Crank Mechanism

open access: yesHighlights in Science, Engineering and Technology
This paper is proposed a flapping wing aircraft based on the crank slider mechanism to solve the problems of the two flapping wing structures, such as synchronization and excessive local stress common to existing ornithopters. MATLAB is used to solve the equations to determine the dimensions of the individual components, and the 3D model is designed by
Changlong Huang, Weipeng Guo, Hanyu Wang
openaire   +1 more source

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