球磨機(jī)負(fù)荷檢測軟測量建模方法的研究.pdf

1、東北大學(xué)碩士學(xué)位論文球磨機(jī)負(fù)荷檢測軟測量建模方法的研究姓名：梁朝霞申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：岳恒20080701東北大學(xué)碩士學(xué)位論文AbstractResearchonSoft—sensingMethodofBallMillLoadAbstractBallmillisthekeygrindingequipmentinmineralprocessingTheballmillloadincludingsteel，o

2、reandwaterisallimportantparameterintheprocessoforegrinding，whichisconnectedwimthegrindingefficiencyandenergyconsumptionThepresentmethodscannotdetectballmillloadprecisely，whichleadstothecontrolefficiencytoballmillisunsati

3、sfiedandagreatdealofenergyiswastedforalonghistoryInordertoimproveballmillrunningstability，economyandefficiency，tosaveenergyandtoprotectthedevice，itisattractivetodevelopapracticalandaccuturemethodtomeasureballmillloadSupp

4、ortedby‘‘863Project”ResearchTopics，softsensingmethodofballmillloadhasbeenresearchedinthisthesisCombined、ⅣitlltheexperimentdataaseriesofrelativeexperimentshavebeendoneandgoodperformanceshavebeenvalidatedThemaincontributio

5、nsofthisthesisarelistedasfollows：(1)Accordingtotheballmill’Soperationprinciple，basiedonthefrequencyspectrumanalysis，theidealthatusingthepartspectrumpowersofvibrationandnoise’Scharacteristicspectrumstomeasureballmillloadi

6、sproposedCombinedwithexperiment—data，vibrationandnoise’SspectrumpowersareestimatedandthepartspectrumpowersofcharacteristicspectrumsareextractedFinally，thesoft—sensingmodelbetweenballmillinternalloadandexternalresponsesig

7、nalsisfundedbyPCARBFandPCASVMalgorithms(2)ThesoftwaresystemofballmillloadmeasuringisdesignedbyMATLABThesoftwareconsistsofsignalreadingmodel，signalanalyzingmodel，loadidentifyingmodel，algorithmtestingmodel，anditCanbeusedto

8、measureballmill10adandanalyzethesoftsensingerrorsonline(3)Inaccordancewiththeabovedesignedballmillloadmeasuringsoftsensingmodel，therelativeexperimentshavebeendonebythedesignedsoftwareFactory，thesoft—sensingmodelbasiedonP

9、CARBFCanreachsatisfiedsoft—sensingresulttothesteel10ad，thesoftsensingmodelbasiedonPCASVMCanreachsatisfiedsoftsensingresulttothewaterloadandthesoftsensingmethodtotheoreloadisdesiredtoberesearchedfurtherKeywords：Ballmilllo