Controllable water surface to underwater transition through electrowetting in a hybrid terrestrialaquatic microrobot英文资料

《Controllable water surface to underwater transition through electrowetting in a hybrid terrestrialaquatic microrobot英文资料》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、ARTICLEDOI:10.1038/s41467-018-04855-9OPENControllablewatersurfacetounderwatertransitionthroughelectrowettinginahybridterrestrial-aquaticmicrorobotYufengChen1,2,NeelDoshi1,2,BenjaminGoldberg1,2,HongqiangWang1,2&RobertJ.Wood1,2Severalanimalspeciesdemonstrat

2、eremarkablelocomotivecapabilitiesonland,onwater,andunderwater.Ahybridterrestrial-aquaticrobotwithsimilarcapabilitiesrequiresmulti-1234567890():,;modallocomotivestrategiesthatreconciletheconstraintsimposedbythedifferentenvir-onments.Herewereportthedevelopm

3、entofa1.6gquadrupedalmicrorobotthatcanwalkonland,swimonwater,andtransitionbetweenthetwo.Thisrobotutilizesacombinationofsurfacetensionandbuoyancytosupportitsweightandgeneratesdifferentialdragusingpassiveflapstoswimforwardandturn.Electrowettingisusedtobreakt

4、hewatersurfaceandtransitionintowaterbyreducingthecontactangle,andsubsequentlyinducingspontaneouswetting.Finally,severaldesignmodificationshelptherobotovercomesurfacetensionandclimbamodestinclinetotransitionbackontoland.Ourresultsshowthatmicrorobotscandemon

5、strateuniquelocomotivecapabilitiesbyleveragingtheirsmallsize,mesoscalefabricationmethods,andsurfaceeffects.1JohnA.PaulsonSchoolofEngineeringandAppliedSciences,HarvardUniversity,Cambridge,MA02138,USA.2WyssInstituteforBiologicallyInspiredEngineering,Harvard

6、University,Cambridge,MA02138,USA.CorrespondenceandrequestsformaterialsshouldbeaddressedtoY.C.(email:yufengchen@seas.harvard.edu)ortoR.J.W.(email:rjwood@seas.harvard.edu)NATURECOMMUNICATIONS

7、(2018)9:2495

8、DOI:10.1038/s41467-018-04855-9

9、www.nature.com/nature

10、communications1ARTICLENATURECOMMUNICATIONS

11、DOI:10.1038/s41467-018-04855-9anyanimalspecies1–5exhibitmultimodallocomotivetransmission(comparedtoapreviousversion28)allowittocapabilitiesinterrestrialandaquaticenvironmentstoovercomeaforcethatistwiceitsbodyweig

12、htandbreakthewaterMevadepredatorsorsearchforprey.Afewarachnids3surfacetotransitionbackontoland.andinsects4canmoveonthesurfaceofwaterbyexploitingstaticInsummary,thisworkdevelopsmultimodalstrategiesforsurfacetension.T