凝汽器故障診斷方法研究及應(yīng)用軟件開發(fā).pdf

1、分類號UDC：TKl6231密級：坌玨學(xué)號：Q3Q221東南大學(xué)碩士學(xué)位論文凝汽器故障診斷方法研究及應(yīng)用軟件開發(fā)作者姓名：互丞恒導(dǎo)師姓名：塵堊壬教授申請學(xué)位級別王蘭亟學(xué)科專業(yè)名稱墊篚王猩論文提交期2Q旦!生i月學(xué)位授予單位壅直友堂答辯委員會主席型堡望淪文答辯日期!QQ!生璺旦!旦學(xué)位授予日期!Q生旦目評閱人型焦塹肖查2006年4月東南大學(xué)碩士學(xué)位論文ABSTRACTABSTRACTIntheturbineofcondensecconde

2、nsingsyslemasacoolerisanimportantauxiliaryinsta]lationitsthermodynamiccharacteristichasaheavyimpactiononthesecurityandeconomyofarunningturbineitisimportantthatdeeplystudiestheworkingmechanismandoperatingcharacteristic，an

3、destablishthemonitoringandoptimizationmodelforfaultdiagnosisandimprovingtheoperationlevelInthispapercondensingsystem’sperformanceisdiscussed，andcondensingsystem’scommonfaultsareanalyzedandthecauseandsignsofcondenser’svac

4、uumfallingareemphasizedThejudgmentofcondenser’sfaultsisnoteasyforithasmanykindsofreasonsanditssignsarefuzzytosomeextentInthispaperfuzzyneuralnetwork，whichisfairlyadvanced，isappliedincondenser’sfaultdiagnosisAfterintroduc

5、ingfuzzylogictheoryandneuralnetworksbasis，theircomplexfuzzyneuralnetworksisdrawnforth，F(xiàn)uzzyneuralnetwork(FNN)meritsoffuzzylogicandNNitcandescribedfuzzyquestion，hasgreatcapabilitiesofstudyinganddatadirectlydisposing，hasgr

6、eatcapabilitiesofexpressionaboutknowledgestructure，hasgreatcapabilitiesoffaulttolerantInaword，F(xiàn)NNcanautomaticallyattaintoknowledge，adapttothechangeofenvironment，andadoptcollateralcalculationofnumericalvalue，sothatitisane

7、ffectivemethodwhichsolveslocalizationoftraditionalfaultdiagnosisWithMATLAB，applicationsowareforthecondensingsystemfaultdiagnosiswasconstructedbasedor]fuzzyback—propagationneuralnetwork，Thesoftwareiseasyforoperatorstooper