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Study on the vibration reduction characteristics of FWMAV Flexible Bionic Wings Mimicking the Hindwings of Trypoxylus dichotomus

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Journal of Bionic Engineering 2023年第5期20卷 2179-2193页

作者： Yongwei Yan Fa Song Nuo Xu Haochen Zhu Hongxu Xing Shujun Zhang Jiyu Sun Key Laboratory of Bionic Engineering(Ministry of Education China)Jilin UniversityChangchun130022China School of Computing and Engineering Gloucestershire UniversityCheltenhamGL502HRUK

Using the method of structural finite element topology optimization and analysis of the hindwings of Trypoxylus dichotomus,this work identified the main loading force transmission path and designed the initial structure of a bionic flexible wing.A structural design scheme of the vibration damping unit was proposed,and the structural mechanics and modal vibration characteristics were simulated and analyzed.3D printing technology was used to manufacture the designed bionic wing skeleton,which was combined with two kinds of wing membrane *** Flapping Wing Micro-aerial Vehicle(FWMAV)transmission mechanism vibration characteristics were observed and analyzed by a high-speed digital camera.A triaxial force transducer was used to record the force vibration of the flexible bionic wing flapping in a wind tunnel.A wavelet processing method was used to process and analyze the force *** results showed that the force amplitude was more stable,the waveform roughness was the lowest,and the peak shaving phenomenon at the z-axis was the least obvious for the bionic flexible wing model that combined the topology-optimized bionic wing skeleton with a polyamide elastic *** was determined to be the most suitable design scheme for the wings of FWMAVs.

关键词： vibration reduction characteristics Bionic wings Flapping-wing micro-aerial vehicle(FWMAV) Beetle hindwings

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