Artificial insect wings with biomimetic wing morphology and mechanical properties

Liu, Zhiwei; Yan, Xiangqiao; Qi, Mingjing; Zhu, Yangsheng; Huang, Dawei; Liu, Lin

doi:10.1088/1748-3190/aa7f16

Cited by 19 publications

(15 citation statements)

References 37 publications

(68 reference statements)

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“…Liu et al produced an artificial cicada wing with biomimetic properties based on geometric and structural data including vein thickness, wing mass, and flexural stiffness profile. 22 DeLe on and Palazotto developed an artificial hawkmoth wing with similar mass, geometry and natural frequencies to its biological counterpart. 23 They compared the deformation of the artificial and real wings under large flapping conditions, and while they observed some similarities in the two responses, they found that the engineered wing deformed significantly more.…”

Section: Introductionmentioning

confidence: 99%

Toward the design of dynamically similar artificial insect wings

Reid

Zhou

Maxcer

et al. 2021

International Journal of Micro Air Vehicles

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Flapping wing deformation influences the aerodynamics of insect flight. This deformation is dictated by the dynamical properties of the insect wing, particularly its vibration spectra and mode shapes. However, researchers have not yet developed artificial insect wings with vibration spectra and mode shapes that are identical to their biological counterparts. The goal of the present work is to develop artificial insect wings that are both isospectral and isomodal with respect to real insect wings. To do so, we characterized hawkmoth Manduca sexta wings using experimental modal analyses. From these results, we created artificial wings using additive manufacturing and heat molding. Between artificial and real wings, the first two natural frequencies differ by 7% and 16% respectively, with differences of 16% and 131% in gains evaluated at those natural frequencies. Vibration modes are similar as well. This work provides a foundation for more advanced wing design moving forward.

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Section: Introductionmentioning

confidence: 99%

Toward the design of dynamically similar artificial insect wings

Reid

Zhou

Maxcer

et al. 2021

International Journal of Micro Air Vehicles

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“…Artificial wings must have biomimetic wing features similar to their natural counterparts to have substantial lift force. The artificial wing’s mechanical characteristics rely heavily on venation thickness, retaining a fully stringent arrangement during flapping motion and helping to generate appropriate thrust [ 23 , 24 ].…”

Section: Wing Beat Frequency and Stroke Amplitudementioning

confidence: 99%

Study of Mosquito Aerodynamics for Imitation as a Small Robot and Flight in a Low-Density Environment

et al. 2021

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In terms of their flight and unusual aerodynamic characteristics, mosquitoes have become a new insect of interest. Despite transmitting the most significant infectious diseases globally, mosquitoes are still among the great flyers. Depending on their size, they typically beat at a high flapping frequency in the range of 600 to 800 Hz. Flapping also lets them conceal their presence, flirt, and help them remain aloft. Their long, slender wings navigate between the most anterior and posterior wing positions through a stroke amplitude about 40 to 45°, way different from their natural counterparts (>120°). Most insects use leading-edge vortex for lift, but mosquitoes have additional aerodynamic characteristics: rotational drag, wake capture reinforcement of the trailing-edge vortex, and added mass effect. A comprehensive look at the use of these three mechanisms needs to be undertaken—the pros and cons of high-frequency, low-stroke angles, operating far beyond the normal kinematic boundary compared to other insects, and the impact on the design improvements of miniature drones and for flight in low-density atmospheres such as Mars. This paper systematically reviews these unique unsteady aerodynamic characteristics of mosquito flight, responding to the potential questions from some of these discoveries as per the existing literature. This paper also reviews state-of-the-art insect-inspired robots that are close in design to mosquitoes. The findings suggest that mosquito-based small robots can be an excellent choice for flight in a low-density environment such as Mars.

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“…However, this is increased substantially above 5% until a visually evident fracture occurs on the wing surface, indicating its maximum deformation rate. Interestingly, the prototypes developed in this study offer much larger range of plastic deformation in contrast to the brittle CF-based peer models from the literature [53], i.e. our proposed artificial wings resist immediate fracture upon yielding.…”

Section: Mechanical Properties Testingmentioning

confidence: 99%

Towards locust-inspired gliding wing prototypes for micro aerial vehicle applications

Isakhani

Chen

et al. 2021

R. Soc. open sci.

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In aviation, gliding is the most economical mode of flight explicitly appreciated by natural fliers. They achieve it by high-performance wing structures evolved over millions of years in nature. Among other prehistoric beings, locust is a perfect example of such natural glider capable of endured transatlantic flights that could inspire a practical solution to achieve similar capabilities on micro aerial vehicles. An investigation in this study demonstrates the effects of haemolymph on the flexibility of several flying insect wings proving that many species exist with further simplistic yet well-designed wing structures. However, biomimicry of such aerodynamic and structural properties is hindered by the limitations of modern as well as conventional fabrication technologies in terms of availability and precision, respectively. Therefore, here we adopt finite-element analysis to investigate the manufacturing-worthiness of a three-dimensional digitally reconstructed locust wing, and propose novel combinations of economical and readily available manufacturing methods to develop the model into prototypes that are structurally similar to their counterparts in nature while maintaining the optimum gliding ratio previously obtained in the aerodynamic simulations. The former is assessed here via an experimental analysis of the flexural stiffness and maximum deformation rate as EI s = 1.34 × 10 −4 Nm 2 , EI c = 5.67 × 10 −6 Nm 2 and greater than 148.2%, respectively. Ultimately, a comparative study of the mechanical properties reveals the feasibility of each prototype for gliding micro aerial vehicle applications.

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Artificial insect wings with biomimetic wing morphology and mechanical properties

Cited by 19 publications

References 37 publications

Toward the design of dynamically similar artificial insect wings

Toward the design of dynamically similar artificial insect wings

Study of Mosquito Aerodynamics for Imitation as a Small Robot and Flight in a Low-Density Environment

Towards locust-inspired gliding wing prototypes for micro aerial vehicle applications

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