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Ground Strength Test Technique of Variable Camber Wing Leading Edge
Version 1
: Received: 25 April 2024 / Approved: 25 April 2024 / Online: 25 April 2024 (10:59:42 CEST)
A peer-reviewed article of this Preprint also exists.
Li, S.; Chen, X.; Wang, Z.; Liang, Y. Ground Strength Test Technique of Variable-Camber Wing Leading Edge. Biomimetics 2024, 9, 467. Li, S.; Chen, X.; Wang, Z.; Liang, Y. Ground Strength Test Technique of Variable-Camber Wing Leading Edge. Biomimetics 2024, 9, 467.
Abstract
The intelligent morphing wing structure has the characteristics of flexibility, large deformation and adaptive change, which are different from those of the conventional wing. The motion law of the variable-camber leading edge is analysed by the numerical simulation method based on kinematics theory to solve the problem of verifying the motion function and structural strength of the variable camber wing. The driving deformation and aerodynamic load simulation of the variable camber leading edge are realised by designing a follow-up load test apparatus. Based on the numerical simulation of the mechanical boundary, the motion trajectory of the upper and lower wing loading points was predicted, and a multi-point cooperative control system was developed. Multi-sensor iteration was used to ensure the loading accuracy of the test control. The test results show that the average error of the deflection angle is 4.59% in the variable camber leading edge motion test. In the variable camber leading edge strength test, the average error of applied load magnitude and direction is 0.54% and 0.24%, respectively.
Keywords
variable camber wing; leading edge; motor function; strength test; cooperative loading; morphological reconstruction
Subject
Physical Sciences, Applied Physics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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