Design and application of the technical training set for plc based power supply unit developed forWord格式.docx
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Design and application of the technical training set for plc based power supply unit developed forWord格式.docx
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2.ThesigTOOLdevelopmentenvironment
2.1.Fileimportfunctions
2.2.Organizationofdatachannels
2.3.Object-orienteddesign
2.3.1.Thescchannelclass
2.4.Eventfilteringandsubchannelselection
2.5.sigTOOLresultobjects
3.ThesigTOOLGUI
3.1.AddingfunctionstotheGUI
3.2.DesigningGUIs
3.3.Accreditation
3.4.Generatingahistorylog
4.FeaturesofthesigTOOLdataandresultviews
5.Proof-of-concept
6.Discussion
AppendixA.Supplementarydata
References
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Service-orientedtechnologyandmanagement:
Perspectivesonresearchandpracticeforthecomingdecade
ElectronicCommerceResearchandApplications
Complementarymethodsofsystemusabilityevaluation:
Surveysandobservationsduringsoftwaredesignanddevelopmentcycles
JournalofBiomedicalInformatics
Valueofinformationbaseddesignofcontrolsoftware
ReliabilityEngineering&
SystemSafety
Thispaperpresentsasuggestedalternativetosimplisticmajorityvotingschemesbasedonthevalueofuncertaininformation.Itusessatelliteantennaedeploymentasanillustrativeexample.Controlsoftwareisusedinsatellitestoactivatesystemfunctionslike,e.g.antennadeployment.Thesoftwarereceivesobservationsfromsensorsbuiltintosatellitesandusesthisinformationtotriggerrequiredfunctions.Often,inadvertentactivationanddelayedresponsecanhavesevereconsequences.Hencethewayinwhichsensorinformationisprocessedstronglyinfluencesthesystemperformance.Wediscussanapproachthatmodelsvarious‘design’optionsindetailsothatthesoftwarecontrolflowcanbeoptimisedviadecisiontheory.WegivesomemathematicalbackgroundandanexamplebasedontheCLUSTERsatellitesystemthatwasspunoffadesignproblematEuropeanSpaceResearchandTechnologyCentre(ESTEC).Ourexampleconsidersthedecisionofwhentodeployasatelliteantenna.Thecontrolsoftwaremustdecidewhentoinspectsensorsandwhentodeploytheantenna.Weshowhowtooptimiseboththeinspectiontimeandthetimetodeploytheantennagiventheresultsoftheinspection.Forourexampleitisimportantthattheconsequencesofthecontrolsoftwaredecisionsareanalysedandmeasuredinmonetarylossassociatedwithfailure.Thisallowsustomeasuretheriskinexpectedlossofmoney.GivencontrolsoftwaredesignsAandBonecancomparethembyobtainingthevalueofinformation.
2.Decisionproblemformulation
3.Uncertaintymodelling
3.1.Parameterspecification
3.2.Optimaldeploymenttime
4.Theoptimalinspectiontime
4.1.Expectedutility
4.2.Theoptimalcontrol-flow
4.3.Discussionoftheresults
5.Conclusion
Acknowledgements
appendixa
Athree-tierknowledgemanagementschemeforsoftwareengineeringsupportandinnovation
JournalofSystemsandSoftware
Toensuresmoothandsuccessfultransitionofsoftwareinnovationstoenterprisesystems,itiscriticaltomaintainproperlevelsofknowledgeaboutthesystemconfiguration,theoperationalenvironment,andthetechnologyinbothexistingandnewsystems.Wepresentathree-tierknowledgemanagementschemethroughasystematicplanningofactionsspanningthetransitionprocessesinlevelsfromconceptualexplorationtoprototypedevelopment,experimentation,andproductevaluation.Thethree-tierschemeisanintegratedeffortforbridgingthedevelopmentandoperationcommunities,maintainingstabilitytotheoperationalperformance,andadaptingswiftlytosoftwaretechnologyinnovations.Theschemecombinesexperiencesofacademicresearchesandindustrialpractitionerstoprovidenecessarytechnicalexpertiseandqualificationsforknowledgemanagementinsoftwareengineeringsupport(SES)processes.
2.Knowledgemanagementinsoftwareengineeringsupportandinnovation
2.1.Knowledgemanagementissuesinsoftwareinnovation
2.2.Couplingofknowledgemanagementandsoftwareengineeringprocesses
2.3.Asystematicplanofaction
3.Three-tierschemeofknowledgemanagementforSESandinnovation
3.1.Anotionofcontinuousimprovementprocess
3.2.Athree-tiersoftwareengineeringsupportstructure
4.Practiceofthree-tierknowledgemanagementinSESandinnovation
4.1.OrganizationalstructureofknowledgemanagementinSES
4.2.CouplingtheSESprocessesandknowledgemanagementactivities
4.2.1.Knowledgemanagementatexplorationlevel
4.2.2.Knowledgemanagementatevaluationlevel
4.2.3.Knowledgemanagementatexecutionlevel
4.3.Toolsandmechanismsforthree-tierknowledgemanagementinSES
Design-to-fabricationautomationforthecognitivemachineshop
AdvancedEngineeringInformatics
Tomeettherisingdemandsforpurecustomizationofproducts,newapproachesforautomatedfabricationofcustomizedpartgeometryareneeded,onboththesoftwareandhardwareside,thatbalanceflexibility,robustnessandefficiency.Thisisagreatchallengesincetodayitrequiressignificanthumanexpertisesupported,onlypartially,bycomputer-aidedapproaches.Thispaperintroducesanewapproachandframeworkforanautonomousdesign-to-fabricationsystemthatintegratescognitivecapabilities,suchasreasoningfromknowledgemodelsandautonomousplanning,andembedstheseinthemachinesthemselvestoautomaticallyfabricatecustomizedparts.Theframeworkintegratesintoacommonprocessautomaticworkpieceselectionusinganontology,generativeCNCmachiningplanningusingshapegrammarsandautomatedfixturedesign,basedonanovelflexiblefixturedevicehardware.Initialresultsaregivenforthemachiningplanningapproachappliedto2.5Dpartswithadefinedapproachdirectionandtheprototypedfixturedeviceispresented.Theadvantagesandpotentialoftheframeworkstemmainlyfromapplyingtheprinciplesofcognitivetechnicalsystemstoafabricationsystemtodevelopanintegratedandon-lineapproach.Themethodsaredevelopedspecificallyforuseonthemachineshopfloortotakeadvantageofthepossibilitytoupdateandextendknowledgemodelstoreflectcurrentfabricationcapabilitiesandtoadapttochangesintheenvironmentandre-planduringoperation.Finally,futuredirections,includingintegratingon-lineperceptionandlearning,arediscussed,whicharerequiredtocreateatrulyflexibleandcognitivefabricationsystem.
1.Introduction
1.1.Autonomousdesign-to-fabrication
1.2.Researchcontext:
Thecognitivemachineshop
2.Relatedwork
2.1.Computer-Aided-Design(CAD)/Computer-AidedProcessPlanning(CAPP)/Computer-AidedManufacturing(CAM)
2.2.Automationinfixturedesign
2.3.Cognitivetechnicalsystems
2.4.Ontologiesinmanufacturing
3.Frameworkfordesign-to-fabricationautomation
3.1.Workpieceselection
3.2.Machiningplanningapproach
3.3.Fixtureplanningandre-configuration
4.Results
4.1.Machiningplanning
4.2.Flexiblefixture
5.Discussion
6.Conclusion
Macroscopictrafficflowmodelling
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