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1、IEEETRANSACTIONSONLEARNINGTECHNOLOGIES,VOL.4,NO.2,APRIL-JUNE2011149DesignandImplementationIssuesforModernRemoteLaboratoriesElianeG.Guimara˜es,EleriCardozo,DanielH.Moraes,andPauloR.CoelhoAbstract—Thedesignandimplementationofremotelaboratoriespresentdifferentlevelsofcomplexityacc
2、ordingtothenatureoftheequipmentsoperatedbytheremotelaboratory,therequirementsimposedontheaccessingcomputers,thenetworklinkingtheusertothelaboratory,andthetypeofexperimentsthelaboratorysupports.Thispaperaddressesthedesignandimplementationofremotelaboratoriesemployingwebtechnolog
3、ies,bothattheclientandtheserverside.ThesetypesofremotelaboratoriesarecalledWebLabs,andcanbedeployedoverdifferentnetworkssuchasthepublicinternet,campuswidenetworks,orhigh-speedprivatenetworks.AlthoughmostpublishedworksonWebLabsfocusontheirfunctionalandoperationalaspects,nonfunct
4、ionalrequirementsrelatedtosecurity,qualityofservice,andfederatedoperationofWebLabshavereceivedlittleattention.ThispaperaddresseshowtheserequirementscanbeincorporatedintoWebLabdesign,anddiscussesthemostappropriatewebtechnologiestofulfillsuchrequirements.IndexTerms—Remotelaborato
5、ries,WebLabs,federatedWebLabs,mobilerobotics.Ç1INTRODUCTIONMOSTweb-basedlaboratory(WebLab)implementationsaddressingthesetopicsispresented.AWebLabinthefieldfocusontheinteractionfacilitiesformanipulatingofmobileroboticsbuiltabovethisplatformispresentedasWebLabresourcesoverthenetw
6、ork.Suchfacilitiestrytowell.Thecontributionsofthispapertothefieldofremotereproduceontheuserscomputerthesameinteractionlabsare:1)toproposeareferencemodelwithwhichremotemechanismsemployedintheinsituoperationofthelabscanbedesignedandcompared;2)todiscusssubjectsresources.Forexample
7、,aWebLabexperimentthatemploysrarelyfoundintheremotelabliterature:qualityofservice,aspectrumanalyzercanofferaninterfacethatdisplaystosecurity,andfederatedoperation,aswellastoproposeperfectiontheequipmentsconsolewithitsscreens,pushtechnicalsolutionsforincorporatingthesesubjectsin
8、tothebuttons,knobs,switches,andlights.Throughthisinter