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多曲面PVDF力传感器的研究 Title:ResearchonMulti-SurfacePVDFForceSensors Introduction: Polyvinylidenefluoride(PVDF)isapiezoelectricpolymerknownforitsexceptionalmechanicalstrength,thermalstability,andhighpiezoelectriccoefficients.Duetotheseproperties,PVDFholdsgreatpotentialforvariousapplications,particularlyinthefieldofforcesensing.Thispaperaimstoexploretheresearchonmulti-surfacePVDFforcesensorsandhighlighttheirsignificanceinenablingadvancedforcemeasurementcapabilities. 1.Background: Forcesensingisafundamentalaspectofmanyengineeringsystems,suchasrobotics,biomechanics,andhuman-machineinterfaces.Traditionalforcesensingtechnologiesoftenfacelimitationsintermsofflexibility,durability,andsensitivity.PVDFforcesensorsofferapromisingsolutiontoaddressthesechallenges.PVDFiscapableofconvertingmechanicalstimuliintoelectricalsignals,makingitanexcellentchoiceforforcetransduction. 2.PVDFPiezoelectricProperties: PVDFexhibitsaninherentpiezoelectriceffect,meaningitgenerateselectricchargeswhensubjectedtomechanicalstress.ThemolecularstructureofPVDFallowsforpiezoelectriceffectsinbothcompressionandtensionmodes.ThisuniquepropertyenablesPVDFtobeusedasaforcesensoronvarioussurfaces,includingcurved,uneven,ormulti-surfacestructures. 3.FabricationTechniques: ThereareseveralfabricationtechniquesavailableformanufacturingPVDF-basedforcesensors,includingthesolutioncastingmethod,electrospinning,andinkjetprinting.Eachtechniqueoffersdifferentadvantagesintermsofflexibility,scalability,andcost-effectiveness.Thechoiceoffabricationtechniquedependsonthespecificapplicationrequirements. 4.Multi-SurfaceForceSensing: Traditionally,forcesensorsweredesignedforplanarsurfaces,limitingtheirpotentialapplications.Multi-surfaceforcesensors,utilizingPVDF,openupnewpossibilitiesforforcemeasurementoncurvedsurfacesorirregulargeometries.Forexample,thesesensorscanbeusedinroboticgripperstomeasuregraspingforcesaccurately.Byprovidingforcefeedbackfromcomplexsurfaces,themanipulationandcontrolofobjectscanbesignificantlyimproved. 5.Integrationwi