software engineering amp; java benchmarking for processcontrol systems integration.

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1、SoftwareEngineering&JavaBenchmarkingforProcessControlSystemsIntegrationSianHope,MichaelJ.BaxterSchoolofInformaticsUniversityofWalesBangorUKhttp://www.informatics.bangor.ac.ukAbstract-Theresearchhasbeenfuelledbyseriousinefficienciesincurrentprocesscontrolsystems.Itwasfoundthattheprocessco

2、ntrolindustriesaremovingawayfromproprietarycontrolsolutions,andareinterestedinexploringFullyDecentralisedDistributedControlSystems(FDDCS),exploitingemergingSMARTremoteI/Otechnology.Industryestimatesmaterialcostsavingstobeintherangeof30-80%usingthisscheme.However,theschemeisnoteasilyreali

3、sedduetotheincreaseddesigncomplexity,andrequiresthesupportofdesigntoolsandmodernsoftwareengineeringtechnologies,possiblyincludingJava.Thepaperreportsonresultsofdesigningandimplementingsuchasystem.Key-words:BenchmarkingJava;SoftwareArchitectures;ProcessControl;DistributedSystems1.Introduc

4、tionThispaperreportsontheresearchdevelopmentsassociatedwithaProcessControlSystemsIntegrationProject.ThemainfocusofthisparticularworkhasbeenonhardReal-timeVirtualMachine.ThishasinvolvedtheinvestigationofthesuitabilityoftheJavaprogramminglanguageforreal-timesystems,andmorespecifically,proc

5、esscontrolsystems.Thisworkisacomponentofalargerresearchprogrammethatpartnerswithtwootheruniversitiesandanumberofindustrialcollaborators.Thispapercontinueswithadiscussionofbackgroundmaterial,followedbyanexaminationoftheapplication,targethardwareandthedevelopmentenvironmentused.Followingth

6、esesections,theexperimentalapproachisoverviewedwithcorrespondingresultsexamined.Finallythereisaconclusionandadiscussiononfuturework.2.BackgroundInitiallytheclientindustrialcollaboratorprovidedtheresearchprogrammewithacasestudy.Theirprimarybusinessisthemanufactureofelectricalcables.Asanin

7、ternationalcompany,therewerecompanysitesallovertheworld.OneparticularsiteinWrexham,NorthWaleswasfocusedontheevaluationofnewtechnologies,essentiallyaresearchanddevelopmentsite.Locatedonsiteisaexperimentalproductionline,thatcouldbeinstrumentedbytheiron-siteengineers.Theprod