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Machinery Prognostics and High-Dimensional Data Feature Extraction Based on a Transformer Self-Attention Transfer Network

open access: yesSensors, 2023
Machinery degradation assessment can offer meaningful prognosis and health management information. Although numerous machine prediction models based on artificial intelligence have emerged in recent years, they still face a series of challenges: (1) Many
Shilong Sun, Tengyi Peng, Haodong Huang
doaj   +1 more source

The Opportunities and Challenges for the Rising Star of Soft Robots

open access: yesApplied Sciences, 2023
Robots tend to be designed to replace human beings, so as to efficiently finish some tasks in a repeatable or dangerous situation, bring us huge economic value and good services [...]
Yue Dong, Bing Li
doaj   +1 more source

Gust Response of Spanwise Morphing Wing by Simulation and Wind Tunnel Testing

open access: yesAerospace, 2023
The spanwise morphing wing can change its aerodynamic shape to suit its flight environment, thereby having the potential to improve the flight performance of the aircraft, especially in gusty conditions.
Zhuoer Yao, Zi Kan, Daochun Li
doaj   +1 more source

Research status and key technologies of in-plane deformation of morphing wing surface

open access: yesHangkong gongcheng jinzhan, 2023
Morphing wing is one of the important development directions of future aircraft design, and the study of in-plane deformation of the morphing wing surface has received widespread attention.
FENG Wenzheng   +3 more
doaj   +1 more source

Elastomer-based skins for morphing aircraft applications: Effect of biaxial strain rates and prestretch

open access: yesPolymer Testing, 2022
There is an emerging trend in the morphing aircraft research where two or more morphing degrees of freedom are used on a wing which leads to the concept of polymorphing.
Dilshad Ahmad   +2 more
doaj   +1 more source

Embedded shape morphing for morphologically adaptive robots

open access: yesNature Communications, 2023
Shape-morphing robots can change their morphology to fulfill different tasks in varying environments, but existing shape-morphing capability is not embedded in a robot’s body, requiring bulky supporting equipment.
Jiefeng Sun   +4 more
doaj   +1 more source

Design and Validation of a New Morphing Camber System by Testing in the Price—Païdoussis Subsonic Wind Tunnel

open access: yesAerospace, 2020
This paper presents the design and wind tunnel testing of a morphing camber system and an estimation of performances on an unmanned aerial vehicle. The morphing camber system is a combination of two subsystems: the morphing trailing edge and the morphing
David Communier   +2 more
doaj   +1 more source

An Intelligent Autonomous Morphing Decision Approach for Hypersonic Boost-Glide Vehicles Based on DNNs

open access: yesAerospace, 2023
In addressing the morphing problem in vehicle flight, some scholars have primarily employed reinforcement learning methods to make morphing decisions based on task. However, they have not considered the constraints associated with the task process.
Linfei Hou   +4 more
doaj   +1 more source

Adaptive Wing Morphing Strategy and Flight Control Method of a Morphing Aircraft Based on Reinforcement Learning

open access: yesXibei Gongye Daxue Xuebao, 2019
The morphing aircraft can change different wing shapes or geometries to achieve the optimal flight performance according to various mission scenarios.

doaj   +1 more source

Trajectory optimization of morphing aircraft based on multi-fidelity model

open access: yesXibei Gongye Daxue Xuebao, 2022
Morphing aircraft can flexibly change its aerodynamic shape to adapt to the varying flight conditions during a flight. Compared with the traditional fixed shape aircraft, it has a very obvious advantage.
WANG Jianlei   +5 more
doaj   +1 more source

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