对于反推算法在微力矩空气动力负载模拟器上的应用

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1、HydromechatronicsEngineering机床与液压DOI：10．3969／j．issn．1001—3881．2012．06．011ResearchonMicro-torquePassiveMotor-drivenLoadSimulatorbasedonBacksteppingTheoryHUANGXiaodong，YANGHongyan，LIGeqiang，GUOBingjing，CUIXiao(InstituteofMechanicalandElectricalEngineering，HenanUniversityofScienceandTec

2、hnology，Luoyang471003，Abstract：Amicrotorquehigh—frequencyhigh—precisionpassiveelectricloadsimulationsystemisresearched，thepaperproposesabacksteppingcontrolmethodtosolvethestrongforce／positioncouplingproblem．Thesystemisseenasasingle—inputandmultiple—outputsystem，andadynamicmodelofthec

3、ouplingisestablished．Byintroducinganappro—priatevirtualcontrolquantity，thispaperdesignsabacksteppingcontroller，whichmakesthesystemerrorhaveanex—pectedprogressiveshape，andtheoreticallyprovesthesystemstabilityonthebaseofLyapunovmethod．Fromthesimu—lationresults，aconclusioncouldbedrawnth

4、atwhenthesinesignalisupto60Hz，amplitudetrackingerorofbearingsystemisabout0．5％0radandphaselagisabout10。；Atthesametime，theamplitudetrackingerorofloadingsystemisabout0．2％N·mandphaselagisabout10。．Therefore．thesimulationresultsvalidatethismethodandprovethefeasibilityofthismethod．Keywords：

5、microtorque，passive，bearingsystem，loadingsystem，backsteppinganeeparametersofaircraftrudderaregettinghigher1IntroductiOilandhigher．Forexample，inaanti—tankmissileservorudderusedinagroundwar，therudderalwayshasaOneapplicationofpassiveloadingservosystemveryhighfrequencyself—excitedoscilla

6、tiontoenhancewastheexperimentalstudyofaerodynamicforthehitpr0babilityrapidresponseandtrackingcapa．，hingetorqueontherudderthataircraftsuffersunderbility．Thefrequencyreachesahighvalueupto60thelaboratoryconditions[theprecisionandfre-，Hz，however，thelargestbeatingtorqueisonly0．1quencyresp

7、onsearethemainperformanceparame—N·m，whichisSO—calledthemicrotorque．Inorderters·Sincetheprecisionandfrequencyresponsear。torea1izetheloadsimulationofrIJdder．themoto卜gettingrigorousfortheloadingsystem，theperform—drivenmethodismostappropriateapproach．Received：2012-02-22NationalNaturalSci

8、enceKeyFound