《oc限制理论精髓》ppt课件

《《oc限制理论精髓》ppt课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、FundamentalsoftheTheoryofConstraintsDoç.Dr.BülentSezen1Doç.Dr.BülentSezenIntroductionInrecentyearsaratheruniqueandinterestingapproachtovisualizingandmanaginganoperationhasemerged.OriginallydevelopedbyEliyahuM.GoldrattinhisbookTheGoal,thisTheoryofConstraintshasallowedmanypeopletosucce

2、ssfullyrethinktheirapproachestoimprovingandmanagingtheirproductionprocesses.2Doç.Dr.BülentSezenIntroductionOpinionsabouttheTheoryofConstraintsdiffer.SomethinkthattheTheoryofConstraints(TOC)isagoodwaytoimproveprocesscapabilitywhileusingothercontrolsystemssuchasJlTorMRP,whileothersbelie

3、vethatTOCisa"stand-alone"approachcompletelyuniqueandseparatefromothertechniques.Inthiscontext,itissuggestedthatTOCcanprovideapproachestodesign,manage,schedule,andimprovevirtuallyanyproductionsystem.3Doç.Dr.BülentSezenIntroduction…Stillothersbelieveitcanbeeitherjustaprocessimprovementa

4、pproachoracompletesystemapproach,dependingontheextentoftheimplementationtaken.Itmaynot,intheopinionofthisthirdgroup,bethemostappropriateapproachforcertainbusinessenvironments,whileitmayprovehighlyeffectiveforotherbusinessenvironments.4Doç.Dr.BülentSezenFundamentalPrinciplesoftheTheory

5、OfConstraintsThefundamentalconceptbehindtheTOCisthateveryoperationproducingaproductorserviceisprimarilyaseriesoflinkedprocesses.Eachprocesshasaspecificcapacitytoproducethegivendefinedoutputfortheoperation,andthatinvirtuallyeverycasethereisoneprocessthatlimitsorconstrainsthethroughputf

6、romtheentireoperation.5Doç.Dr.BülentSezenTheLinkedProcessPipeAnalogy6Doç.Dr.BülentSezenFundamentalPrinciplesoftheTheoryOfConstraints…Theanalogyoftenusedisthatproductionflowingthroughoperationalprocessesislikeliquidflowingthroughapipeline.Eachprocesshasacertaindefinedcapacity,illustrat

7、edintheanalogybythediameteroftheassociatedpipe.Inthediagramshown,process"E"hasthelargestcapacitytoprocessproduction,whileoperation"C"hastheleastamountofcapacity.7Doç.Dr.BülentSezenFundamentalPrinciplesoftheTheoryOfConstraints…Sinceoperation"C"istheconstraintontheentireprocess,itwillli

8、mitth