资源描述：
《A review of power harvesting using piezoelectric materials (2003–2006).pdf》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、IOPPUBLISHINGSMARTMATERIALSANDSTRUCTURESSmartMater.Struct.16(2007)R1R21doi:10.1088/0964-1726/16/3/R01TOPICALREVIEWAreviewofpowerharvestingusingpiezoelectricmaterials(20032006)StevenRAnton1andHenryASodano21CenterforIntelligentMaterialSystemsandStructures,VirginiaPolytechnicInstitutean
2、dStateUniversity,Blacksburg,VA24061-0261,USA2DepartmentofMechanicalEngineeringEngineeringMechanics,MichiganTechnologicalUniversity,Houghton,MI49931-1295,USAE-mail:sranton@vt.eduReceived23August2006,infinalform11January2007Published18May2007Onlineatstacks.iop.org/SMS/16/R1AbstractThefie
3、ldofpowerharvestinghasexperiencedsignificantgrowthoverthepastfewyearsduetotheever-increasingdesiretoproduceportableandwirelesselectronicswithextendedlifespans.Currentportableandwirelessdevicesmustbedesignedtoincludeelectrochemicalbatteriesasthepowersource.Theuseofbatteriescanbetrouble
4、someduetotheirlimitedlifespan,thusnecessitatingtheirperiodicreplacement.Inthecaseofwirelesssensorsthataretobeplacedinremotelocations,thesensormustbeeasilyaccessibleorofadisposablenaturetoallowthedevicetofunctionoverextendedperiodsoftime.Energyscavengingdevicesaredesignedtocapturethea
5、mbientenergysurroundingtheelectronicsandconvertitintousableelectricalenergy.Theconceptofpowerharvestingworkstowardsdevelopingself-powereddevicesthatdonotrequirereplaceablepowersupplies.Anumberofsourcesofharvestableambientenergyexist,includingwasteheat,vibration,electromagneticwaves,w
6、ind,flowingwater,andsolarenergy.Whileeachofthesesourcesofenergycanbeeffectivelyusedtopowerremotesensors,thestructuralandbiologicalcommunitieshaveplacedanemphasisonscavengingvibrationalenergywithpiezoelectricmaterials.Thisarticlewillreviewrecentliteratureinthefieldofpowerharvestingandpr
7、esentthecurrentstateofpowerharvestinginitsdrivetocreatecompletelyself-powereddevices.(Somefiguresinthisarticleareincolouronlyintheelectronicversion)1.Introductiontechnologyfollowsalinearincreaseinpowerwithrespecttocomputingspeed.TheincreaseinpowerusedbytheOverthepastfewdecadestheuseof
8、wirelesssens
