非接觸式扭矩儀中的關鍵技術研究.pdf

1、湖南大學碩士學位論文非接觸式扭矩儀中的關鍵技術研究姓名：陳濤申請學位級別：碩士專業(yè)：機械電子工程指導教師：張桂香20110520AbstractJnmechanicaltransmission，thetorqueisoneofthemostimportantparametersofavarietyofmechanicalcharacteristicsAndtorquetestingisoneofessentialcontentsofme

2、chanicalproductdevelopment，qualityinspection，optimalcontr01conditionmonitoring，faultdiagnosisandSOonTorquesensorshavebeenwidelvusedinoptimizationandintelligentcontrolinpowerdrivensystemsofvariousmachineriessuchasmotorveh

3、icleenginetestingandmotorfactorytestingFirstly，inthispaper，thecourseofdevelopmentandthecurrentresearchoftorquesensorsathomeandabroadarecarefullyanalyzedandsummarizedOntbjsbasis，thebasicprinciplesoftorquemeasurementarestu

4、diedThetorquevaluecanbecalculatedbymeasuringthedeformationoftheresistancestraingaugepastedontheelasticshaftNon。contacttorquemeasurementinstrumentisdesignedinthispaperbasedonthesignalandenergytransmissionofwireless，whichl

5、eadstothesolveoftheproblemssuchasthefrictionexistingincontactarea，thewearandtearheatofcontactpartsandotherissuesintraditionalcabletransmissionSecondly，thetorquesignalprocessingprogramisdesignedIntherotorcircuittheweaksig

6、naloutputfromthestrainbridgeisamplifiedthroughtheinstrumentationamplifierAD620，andthenthroughasecondorderButterworthlowpassfilter，thenconvertedtodigitalsignalbyA／DmoduletheCClllOchipthroughA／Dconversionandthenthefigureso

7、btainedisshootoutbythewirelesstransmissionmoduleofCClllO；afterthewirelessreceivermoduleofCCll10onthestatorreceivedthetorquesignal，ononehand，theinformationisdisplayedonouterLCDmodule12864。andontheotherhanditcancommunicate

8、withthehostcomputerthroughserialinterface232Afterthehardwarewascompleted，thesoftwareisalsodesignedincludingRFwirelesstransmittingandreceivingoftorquesignals，realtimeLCDdisplayoftorqueThirdly，inordertoensurerotarycircuito

9、fnoncontacttorquemeasurementcannormalrunning，ainductivelycoupledpowertransfersystem(calledICPTforshort)，usingasinglepowerMOSFETasresonantconverter，ispresentedinthispaperThisisrealizedwithadetachableandironlesshighfrequen