球团生产质量控制系统研究与应用

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1、华中科技大学硕士学位论文球团生产质量控制系统研究与应用姓名：朱长华申请学位级别：硕士专业：系统工程指导教师：朱明富20040430华中科技大学硕士学位论文ABSTRACTAftertherealizationofautomation，thereareneedstoimprovequalityandincreaseproductionwhiledecreasethecost．Thedevelopmentofadvancedcontrolforcomplexprocessofproducingiscomeup．Advancedcontrol’Stargetist

2、hequalityofproducts．Theproducts’qualityisalwaysexaminedaftertheywerefinished．Thesequalityvaluesarenotrealtimeandtheyarenotusefulforqualitycontrolsystem．Atthesametime，thedefectsdiscoveredatthattimealwayscan’tbechanged．Largelosseswillcomeintobeingandthiswillinfectthefactory’Sbenefits

3、inevitably．Inordertochangethisstatus，asystemtopredictthequalityofproductsneedstobebuilt．Basedonthissystem，thequalitycanbepredictedonlineandtheproducingparameterscanbcadjustedtoappropriatevaluestoproducebetterproducts．Atthesametime，thequalityconlralsystemisimpossibletobebuiltbased．M

4、ostoftherecentsystemsforpredictingandcontrollingqualityadjusttheparametersbasingontheexperiencesofworkersandtheproducingflow．1lowevertherelationshipbetweenthequalityandthefactorsthataffectthequalityisvcrycomplex．Theknowledgeofthiskindofrelationshipisnotperfect．Itisnotreasonableands

5、cientifictodirecttheproducingoffactorybasingonthisinperfectknowledgeSOthatanewsystemneedstobebroughtup．Inthispaperancwsystemtopredictandcontrolthequalityisintroducedwhichbasesondataminingantineutralnetwork．Dataminingisanewtechnique，whichcomeintotheworldwiththedevelopmentandtheappli

6、cationofdatabase．Itisappliedsuccessfullyindecisionsupportsystemandpredictionsystem．Manyscientificfieldshaveusedthistechnique．Therearemanymethodswhichcanbeusedindatamining．Asfaraspelletfactoryisconcerned,usingdecisiontreegetsacertainruleforqualityprediction．Atthesamelime，aqualitymod

7、elandaquality-controlmodelarebuiltusingneutralnetwork．Withthesemodels，thcqualitycontrolsystemforpelletisbuilt．KEYWORDS：datamining，decisiontree，neuralnetwork，quality,pellet独创性声明本人声明所呈交的学位论文足我个人在导师指导I=i-进行的硼f究1：fli及J仪得的li)f究成果。尽我所知，除文r

8、I已经标明引用的内容外．本论文彳；包龠侄,fiefj．L,fIB个人或集体已经发表或撰写过的研究

9、成果。对本文的研究做{l{贡献的个人和集体，均已存文