SCARA机器人运动学分析及MATLAB建模仿真

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SCARAMATLABKinematicAnalysisandMATLABModelingandSimulationofSCARARobot(,266071):D-HSCARA,。MATLABRoboticsToolbox,,,。,。:SCARA,D-H,,MATLABAbstract:Inthispaper,theSCARArobotismodeledbyusingtheD-Hparameterandthenforwardandinversekine-maticsanalysisisobtained.ThesimplemotionoftherobotissimulatedundertheplatformofMATLABRoboticsToolbox,whichgivesthecurvesmechanicalarmjointangle,velocityandaccelerationwithtimechangeandcanreflectthemotionstateofeachjointoftherobotdirectly.Thesimulationresultsshowthatthemodelisreasonableandeffective.Keywords:dobotrobot,D-Hmodeling,trajectoryplanning,MATLABsimulationSCARA。SCARAX、Y,Z[1],,SCARA。,。MATLAB,D-HSCARA,。1SCARASCARA,3(1、24),,;1(3),[2]。1D-H。1,θ1、θ2、d3θ4。1.1SCARA,,。,,[3]。,c1=cos(θ1),c2=cos(θ2),c3=cos(θ3),s1=sin(θ1),s2=sin(θ2),s3=sin(θ3),s23=sin(θ2+θ3),c23=cos(θ2+θ3)。D-H,:0T1=A1=c1-s10l1c1s1c10l1s1001d100000000000001(1)1T2=A2=c2s20l2c2s2-c20l2s200-1000000000000001(2)2T3=A3=10000100001d300000000000001(3)3T4=A4=c4-s400s4c400001000000000000001(4)(1)(4),:0T4=A1A2A3A4=cos(θ1+θ2-θ4)sin(θ1+θ2-θ4)0l2c2sin(θ1+θ2-θ4)-cos(θ1+θ2-θ4)0l2s200-1d1-d300000000000001(5)1.2SCARA,,[3]。SCARA:RTH=nxoxaxpxnyoyaypynzozazpz00000000000001(6)(5)(6),:RTH=A1A2A3A4=0T41SCARAD-H1SCARAD-HSCARAMATLAB100《》2017302nxoxaxpxnyoyaypynzozazpz00000000000001=cos(θ1+θ2-θ4)sin(θ1+θ2-θ4)0l2c2sin(θ1+θ2-θ4)-cos(θ1+θ2-θ4)0l2s200-1d1-d300000000000001(7)(7):A-11=c1s10-l1-s1c100001-d100000000000001:A-11RTH=A2A3A4nxc1+nys1oxc1+oys1axc1+ays1pxc1+pys1-l1-nxs1+nyc1-oxs1+oyc1-axs1+ayc1-pxs1+pyc1nzozazpz-d100000000000001=cos(θ1-θ4)-sin(θ1-θ4)0l2c2sin(θ1-θ4)cos(θ1-θ4)0l2s200-1-d300000000000001(8)(8)(1,4)(2,4),:pxc1+pys1=l2c2+l1-pxs1+pyc1=l2s20(9)(9)2:cosθ2=p2x+p2y-l21-l222l1l2sinθ2=1-cos2θ2姨θ2=arctansinθ2cosθ2cosθ2、sinθ2(9),:sinθ1=(l1+l2cosθ2)py-l2sinθ2pxp2x+p2ycosθ1=(l1+l2cosθ2)px+l2sinθ2pyp2x+p2yθ1=arctansinθ1cosθ1(8)(3,4):d3=d1-pz(8)A-12=c2s20-l2s2-c20000-1000000000000001A-13=10000100001-d300000000000001:A-13A-12A-11RTH=A4nxcos(θ1+θ2)+nysin(θ1+θ2)oxcos(θ1+θ2)+oysin(θ1+θ2)00nxsin(θ1+θ2)-nycos(θ1+θ2)oxsin(θ1+θ2)-oycos(θ1+θ2)00-nz-oz-az-pz+d1-d300000000000001=c4-s400s4c400001000000000000001(1,1)(2,1):cosθ4=nxcos(θ1+θ2)+nysin(θ1+θ2)sinθ4=nxsin(θ1+θ2)-nycos(θ1+θ2)θ4=arctansinθ4cosθ4θ1、θ2、d3θ4。2MATLAB1:d1=100mm;l1=50mm;l2=150mm。MATLABRoboticsToolboxSCARA,[-300300-300300-300300],'SCARA',,[4-5]。L1=Link([01005000]);L2=Link([00150pi0]);L3=Link([00001]);L4=Link([00000]);SCARA=SerialLink([L1L2L3L4],'name','SCARA');SCARA.plotopt=邀,'workspace',[-300300-300300-300300]妖plot(SCARA,[0000])2SCARA3SCARA45101(95)[9],,,.[J].,2015,36(9):2572-2577[10]TurneyP,LittmanML.Measuringpraiseandcriticism:In-ferenceofsemanticorientationfromassociation[C]∥ACMTrans.OnInformationSystems,2003,21(4):315-346[11]Montejo-RáezA,Martínez-CámaraE,Martín-ValdiviaMT,etal.Rankedwordnetgraphforsentimentpolarityclassifica-tionintwitter[J].ComputerSpeech&Language,2014,28(1):93-107[12]PangB,LeeL,VaithyanathanS.Thumbsup芽Sentimentclas-sificationusingmachinelearningtechniques[C]∥IsabelleP,ed.Proc.oftheEMNLP2002.Morristown:ACL,2002:79-86[13]PrusaJ,KhoshgoftaarTM,DittmanDJ.UsingEnsembleLearnerstoImproveClassifierPerformanceonTweetSenti-mentData[C]//InformationReuseandIntegration(IRI),2015IEEEInternationalConferenceon.IEEE,2015:252-257[14]BengioY.LearningdeeparchitecturesforAI[J].Founda-tionsandtrendsinMachineLearning,2009,2(1):1-127[15]SeverynA,MoschittiA.Twittersentimentanalysiswithdeepconvolutionalneuralnetworks[C]//Proceedingsofthe38thInternationalACMSIGIRConferenceonResearchandDe-velopmentinInformationRetrieval.ACM,2015:959-962[:2016.9.29](97),,。,,。[1],,.、[M].,,.:,2011[2],,,.[J].(),2002,25(6):1-4[3],,.[J].,2007,30(2):281-287[4],.[J].,2012,38(8):1375-1379[5],,.SVM[J].,2009,32(11):2221-2228[6],,,.()[J].,1999,20(2):190-192,196[7].[D].:,2004:54-56[:2016.10.21](99)”,,,,。、,。3,。[1],.:(3)[M].,,,.:,2012[2].[D].:,2005[3]Hawkins,D.IdentificationofOutliers[M].ChapmanandHall,London,1980[4],,.[J].,2007,34(10):200-205[5],.PageRank[J].,2006(11)[:2016.10.6]5s[0000]3[pi/2pi/350-pi],MATLAB,、、[6]4~6。63SCARA,MATLABRoboticsToolbox,,、,。,MATLAB,。[1],.ADAMSSCARA[J].,2011,39(21):118-120[2],.SCARA[J].(),2008,31(7):1026-1028[3]SaeedB.Niku.———、[M].,,,,.:,2004[4],,,.MATLABRoboticsSCARA[J].(),2012,27(2):41-44[5],,,.SCARA[J].,2015(1):269-272[6],,.SCARA[J].,2016(1):34-37[:2016.10.20]∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥∥SCARAMATLAB102

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