简介:Theforcesensingresistor(FSR)anditsconstructionandcharacteristicaredescribed.Byusingtheoptimalelectronicinterface,theendresultwhichisadirectproportionalitybetweenforceandvoltageisobtained.Thecircuitsofapplicationforforceandpositionmeasurementsintheroboticcontrolaregiven.TheexperimentthatFSRsareplacedonthefingersofBH-1dexteroushandastactilesensorstomeasurethecontactingforcesshowsFSR'sforcesensitivityisoptimizedforuseinthecontrolofrobotcontactingwithenvironment.
简介:Onthebasisofopticallypoweredsensorprinciples,thispaperintroducesapracticalschemeofanopticallypoweredforcesensorusingapiezoelectriccrystalwork-inginclose-loopresonantmode.A3mWLDstabilixedisusedasopticalsource.Theop-ticalpoweringdistancereaches500mwhilethetotalpowerconsumptionofthemirco-powermeasuringheadisonly0.275mW.Thekeytechnicalproblemsofthesensorsarepresentedaswellasexperimentralresults.
简介:<正>00576ACompactTransceiverforWideBandwidthandHighPowerK-,Ka-,andV-BandApplications/D.Yamauchi,R.Quon.Y-HChungetal(NorthropGrummanSpaceTechnology)//2003IEEEMTT-sDigest.—2015用当今先进的InPMMICs和先进的封装技术演示了一种宽带宽(13%~54%)高功率(>500mW)K、Ka及V波段小型收发机。该组件有30多块MMIC和200多个元器
简介:Atomicforcemicroscope(AFM)isabletoproducethree-dimensionaldigitaldatainbothforcemodeandheight-modeanditsapplicationsarenotlimitedtomapthesurfacesofconductingmaterials.Itcanusetheforce-modetoimagetherepulsiveandattractiveforcepatterns.ThecrosssectionsofpolycrystallineCdS/CdTeandamorphoussiliconheterojunctionsolarcellsareobservedwithAFM.Incaseofshortcircuit,themicrostructuresofdifferentlayersinthesamplesareclearlydisplayed.Whenthecellsareopencircuit,thetopographicalimagesarealtered,thepotentialoutlineduetothespacechargeinjunctionregionisobserved.Obviously,AFMcanbeemployedtoinvestigateexperimentallybuilt-inpotentialinjunctionofsemiconductordevices,suchassolarcells.