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1(1)1,、、、。,,,,,,,。1(2)2,,,,:60v=nq(1)21.2.3.4.(1),,。(1)v,n,q。,、,,(),,,(1),。2,,(0),,,。,p。ECoalMineMachineryVol.36No.05May.20153605201505*1,2(1.,400039;2.,400039):,,,,,,,,。:;;;;;:TD421.2:A:1003-0794(2015)05-0172-03Dill-pipeScrewingTechnonogyBasedonSelf-adaptionMinimumEnergyPrincipleXIAOYu-qing1,2(1.ChongqingResearchInstitute,ChinaCoalTechnologyandEngineeringGroup,Chongqing400039,China;2.NationalKeyLabofGasDisasterMonitoringandControlandEmergenceTechnology,Chongqing400039,China)Abstract:Nowthedrillingrigisbecomingmoreautomatic.Inordertosolvetheproblemofintervenewhenthedrillpipescrewwitheachother,Thepaperpresentsthedrillpipescrewingtechnologybasedonself-adaptionminimumenergyprinciple,narratestherelationshipofenergyandpressurewhendrill-pipescrewingthread,analysestheprocessofthesystemseekingthepointofminimumenergyandalsoanalyseswhenthesystemcontrolfeatureshavechanged,howthesystemchangesitscontrolparametertosuitthischange,tofindthenewpointofminimumenergy,andscrewthethreadsmoothly.Keywords:screwthread;minimumenergypoint;controlledquantityofpush;featurepoint;featuregraph;self-adaptiondoi:10.13436/j.mkjx.201505071*“”(2011ZX05041-002)v0n012341723605Vol.36No.05———,E=f(p)(2),,Ep,p,E,。,、。3,,(,),XX1,v1,,p1,,,;XX2,X2X1ΔX。,p2,n,n(X,p)。X-p3。33iDi(Xi,pi),,X-p,pi(),,。Di(i=1,2,…,n),n,,n-1,(),:p=g(x)=a1xn-1+a2xn-2+…+aixn-i+…+an(3)(Xi,pi)(3),ai,p=g(x)。4。44,:(1)p,;(2)pmin≠0,;(3),X=b1,pmin,(b1,pmin),X=b1。(,),X-p,5,11′,1′,,,,pmax,(pmin,pmax),,pmaxpmin,(pmin,)。5,11′,X=b1,1′p′pmax,p′∈(pmin,pmax)。,b1。54,,。、,(),。,,,()。X=b1,p11′pmaxp’pminOb1xpD1D2D3D4D5D6D7D8DnXb1OpminpD2D1D3D4D5D6D7D8DnXO173CoalMineMachineryVol.36No.05May.20153605201505,,612。6X=b1,2p2′(pmin,pmax),,,,(b2,pmin)。b2,p2(pmin,pmax)。,b2(pmin,pmax),(b3,pmin),,,,。,,,,。,8~16h,2min,。5,:,,。,,,。,。:[1],.[J].,2007(3):72-74.[2],,.PID.[J].,2004(9):55-57.[3],,,.[J].,2014(7):78-80.[4].DVR[J].,2009,29(1):70-76.[5],.[J].:,2014,4(31):120-125.[6],,.[J].,2007,30(4):619-622.[7],,,.[J].,2004(10):619-622.[8],.[J].,2009,10(34):7-13.[9],,.[J].,1991,3(1):57~61.[10],.[J].,2009,9(12):81-84.:(1979-),,,,,:xyqllh79@sohu.com.::2015-02-20,(,201706):、,。:;;;:TD421.5:A:1003-0794(2015)05-0174-03TravelingPartofBoom-typeRoadheaderWUBin-bin,CHENChang-xia(RoadheaderInstitute,ShanghaiChuangliGroupCo.Ltd.,Shanghai201706,China)Abstract:Theconfiguration,parametercalculation,problemsandsolution,etcoftravelingpartofboom-typeroadheaderwasintroduced,referenceforfuturedesignontravelingpartofboom-typeroadheader.Keywords:roadheader;travelingpart;configuration;calculationdoi:10.13436/j.mkjx.201505072!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!0,、、,、。pp2′pmaxpminOb1b2x12174
本文标题:基于自适应最小能量原理的钻杆螺纹旋接技术
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