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韩国华 靳晓雄(,201804)袁卫平(,200438),AB,,,,,,TB13220901993,(GUM)7,1995GUMJJF1059-1999[1],,,,,,:,,(),,();,ABAB,AB,;AB[2],,,,,,,13:1.1K2=L*W-LWr:L*W(,K2=0);LWr27220076JournalofVibration,Measurement&DiagnosisVol.27No.2Jun.2007:2006-04-25;:2006-07-04A,1.2K2=L*W-LWrh(1):LWrh,1.3K2=10lg1-S/S21-10-0.1[(Lp-K1)-(Lp(2)-K1(2))]:S2S2;LpLp(2)SS2;K1K1(2)SS223,3,S2/S2[3],,3GB/T1859-2000[4][5]LPjn=10lg1IIi=1100.1LpijnLPjn=10lg1IIi=1100.1LpijnK1jn=10lg[1-10-0.1(Lpjn-Lpjn)]LWjn=(Lpjn-K1jn)+10lgSjS0Sj=4(ajbj+bjcj+cjaj)aj=l12+djbj=l22+dj;cj=l3+dj:LPjn,jn;Lpijn;LPjn;Lpijn;I;K1jn;LWjn;Sj;S0(S0=1m2);l1,l2,l3;djK2=10lg1+4AS(2)[6-7]u(K2)=40lge4+AS1S2u2(S)+40lge4+AS1A2u2(A)(3):Au(A);Su(S),u(S)=S/30LWj=1NNn=1LWjn(4)u(LWj)=Nn=1(LWjn-LWj)2N(N-1)(5):LWju(LWj)u(K2j)=u2(L*Wj)+u2(LWrj)+2u2(LSj)+u2(LWrs)(6):LSju(LSj)10log(SS0);u(LWrs),u(LSj)=0.14dB,u(LWrs)=0.53dBAj=4Sj100.1K2j-1(7)(3)u(Aj)=u2(K2j)-40lge4+AjSj1Sj2u2(Sj)40lge4+AjSj1Aj(8)1432::K2ju(K2j);Aju(Aj);u(Sj),u(Sj)=Sj30dBA=Jj=1Aju2(Aj)Jj=11u2(Aj)(9)u(A)=1Jj=11u2(Aj)(10):Au(A)()Smax=100.1K2max-14A(11):Smax;K2max,K2max=2dB14,,:11.7m8.16m7.5mGB/T1859-2000[4]ISO37441:10;102.9kPa;51%;60dB;1m/s:B&K2230(:1184343);:B&K4230(:1589406);:B&K4204(:897134)5120.30m0.30m0.46m,0.16m;0(,);0;(0)1dBdj/mSj/m2Lpijn123456789L-PjnLWrjn10lg(Sj/S0)0.7512.0183.883.884.483.783.079.379.980.079.082.3692.14283.783.784.283.382.679.580.279.978.982.2192.98383.983.484.283.183.079.179.679.479.682.1792.9410.771.0018.7182.082.182.581.281.377.477.477.577.480.4093.12282.282.082.681.581.077.277.677.277.280.4293.14382.382.082.381.581.077.377.477.273.880.3693.0912.721.5036.8179.979.179.878.877.173.874.074.373.877.4693.12279.378.879.578.877.673.974.273.874.077.3092.96379.478.779.778.777.474.074.473.973.877.3192.9715.65144272dBdj/mSj/m2Lpijn123456789L-PjnL*Wjn10lg(Sj/S0)0.7512.0184.085.184.385.383.980.880.781.280.583.2794.04284.185.284.485.484.280.980.781.180.483.3694.14383.984.984.585.284.380.880.681.380.383.2894.0510.771.0018.7182.183.282.882.982.479.079.179.579.181.4794.18282.283.383.083.182.578.979.079.779.281.5894.30382.083.282.982.982.479.079.279.679.181.4894.2112.721.5036.8179.980.381.380.580.277.577.678.077.579.4395.09279.880.381.480.580.077.677.677.977.679.4295.07379.680.281.580.680.177.677.778.177.779.4695.1115.653K2j/dBu(K2j)/dBAj/m2u(Aj)/m2A/m2u(A)/m2Smax/m21.060.36174661.120.35256912.080.35240512223732,44/m2/dB(A)/dB(A)3222,,,[1].JJF1059-1999[S].:,1986.[2].()[J].,2005(1):73-74.[3],,.[J].,2003,24(1):63-106.[4].GB/T1859-2000[S].:,2000.[5].[M].:,1985.[6].[M].:,2003.[7].[M].:,2000.:,19767,(2006274)E-mail:winter-spring@163.com1452:ApplicationofGAandANNtoJigStatusIdentificationFuDongxuXiongXiaojin(Mechano-ElectronicEngineeringInstitute,TaiyuanUniversityofTechnologyTaiyuan,030024,China)AbstractAsakeyequipmentofcoalpreparation,itisdifficulttogetthesatisfactoryeffectonthecomplicated,nonlinearandgreatlagsystemlikeajig,foritishardtofindtheprecisemathematicalmodelofthejig.InthispaperGAandANNareusedtofindthemodelofthefirststageofjig,thenanintelligentmethodisadoptedtocontrolit.Keywordsjiggeneticalgrithmartificialneuralnetwork(ANN)staterecogniseAseismicPerformanceResearchofLightSteelFramesWuDi1LuoQifeng1LuoYongfeng2(1ResearchInstituteofStructureEngineerandDisasterReduction,TongjiUniversityShanghai,200092,China)(2DepartmentofBuildingEngineering,TongjiUniversityShanghai,200092,China)AbstractAsimplifiedplastichingemodelconsideringwarpingeffectsonthethree-dimensionalbeam-columnelementisproposedbasedonthecharactersoflightsteelframes.Thevibrationequationoflightsteelframesisbasedonthemember-storymodelandtheproposedsimplifiedplastichingemodel.Acomputerprogramconsideringthematerialnonlinearityisdevelopedtonumericallysolvethevibrationequationoflightsteelframes.ComparedwiththenumericalresultscomputedbyANSYS,thenumericalresultsobtainedbytheprogramdevelopedinthispaperaremoreaccurateandreliable.Somevaluablesuggestionsareputforwardonhowtoimprovetheseismicresistanceofunsymmetricallightsteelframesaccordingtotheresults.Keywordslightsteelframespatialanalysiselasto-plasticanalysistimehistoryanalysiselementalstiffnessequationCalculationofEnvironmentCorrectionValueBasedonUncertaintyTheoryHanGuohua1JinXiaoxiong1YuanWeiping2(1DepartmentofVehicle,TongjiUniversityShanghai,201804,China)(2DepartmentofEnvironmentEngineering,ShanghaiInternalCombustionEngineResearchInstituteShanghai,200438,China)AbstractUncertaintytheoryabandonsthetraditionaltheoryofclassificationinsystematicerrorandrandomerror,whileclassifiesitintouncertaintyAanduncertaintyB.Uncertaintytheoryscientificallyreflectsthereliabilityofmeasurementresultdata.Atpresent,absolutecomparativemethodoneisalwaysusedtocorrecttheenvironment,anduncertaintytheoryisn'tusedtoevaluateit.Thispapertakesabsolutecomparativemethodtwotoevaluatetheenvironmentcorrectionvaluewithuncertaintytheory.Onthe172JournalofVibration,Measurement&DiagnosisVol.27basisofaconcreteexample,formulasofenvironmentcorrectionanduncertaintymeasurementarederivated.Therefore,advancetheuncertaintymeasurementapplicationinI.C.engine,andmakeasolidbasisformorenoi