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dc.contributor.authorFu, Fangen_US
dc.contributor.authorLi, Yaoen_US
dc.contributor.authorWang, Haitongen_US
dc.contributor.authorLi, Bingen_US
dc.contributor.authorSato, Hirotakaen_US
dc.identifier.citationFu, F., Li, Y., Wang, H., Li, B. & Sato, H. (2022). The function of pitching in Beetle's flight revealed by insect-wearable backpack. Biosensors & Bioelectronics, 198, 113818-.
dc.description.abstractThe study of insect flight orientation is important for investigating flapping-wing aerodynamics and designing bioinspired micro air vehicles (MAVs). Pitch orientation plays a vital role in flight control, which has been explored less than directional control. In this study, the role of pitching maneuvers in flight was revealed by mounting an insect-wearable backpack on a beetle, which transformed the live insect into a bioelectronic device. The flight status of the cyborg beetle in a large chamber was recorded wirelessly. Accordingly, the pitch angle and forward acceleration showed a strong linear relationship. The coupling of pitch angle and forward acceleration was due to a tilted net aerodynamic force and the induced air drag. Moreover, the left and right subalar muscles of the beetle, a pair of major flight muscles, were electrically stimulated in free flight on demand to pitch up the beetle's body. We demonstrated that the induced nose-up movements were effective for decelerating the beetle in air. The flight orientation findings from the flying cyborgs would inspire a new approach to the study of flapping-wing flight and control of flapping-wing MAVs.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.relation.ispartofBiosensors & Bioelectronicsen_US
dc.rights© 2021 Elsevier B.V. All rights reserved.en_US
dc.subjectEngineering::Aeronautical engineeringen_US
dc.titleThe function of pitching in Beetle's flight revealed by insect-wearable backpacken_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US
dc.subject.keywordsFlapping-Wing Flighten_US
dc.subject.keywordsFlight Pitch Controlen_US
dc.description.acknowledgementThis work was supported by the Singapore Ministry of Education [grant number MOE2017-T2-2-067]; the National Natural Science Foundation of China [grant number 51905120].en_US
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