Development of Architectures for Internet Telerobotics Systems

(整期优先)网络出版时间:2007-04-14
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ThispaperpresentsourexperienceindevelopingandimplementingInternetteleroboticssystem.InternetteleroboticssystemreferstoarobotsystemcontrolledandmonitoredremotelythroughtheInternet.Arobotmanipulatorwithfivedegreesoffreedom,calledMentor,isemployed.Client-serverarchitectureischosenasaplatformforourInternetteleroboticssystem.Threegenerationsofteleroboticssystemshaveevolvedinthisresearch.ThefirstgenerationwasbasedonCGIandtwotieredarchitectures,whereaclientpresentsaGraphicalUserInterfacetotheuser,andutilizestheuser'sdataentryandactionstoperformrequeststorobotserverrunningonadifferentmachine.ThesecondgenerationwasdevelopedusingJava.WealsoemployJava3Dforcreatingandmanipulating3Dgeometryofmanipulatorlinks,andforconstructingthestructuresusedinrenderingthatgeometry,resultingin3Drobotmovementsimulationpresentedtotheusers(clients)throughtheirwebbrowser.RecentdevelopmentinourInternetteleroboticsincludesobjectrecognitionthroughimagecapturedbyacamera,whichposeschallengingproblem,givingtheundeterministiclatencyoftheInternet.ThethirdgenerationiscenteredaroundtheuseofCORBAfordevelopmentplatformofdistributedinternetteleroboticssystem,aimedatdistributingtaskofteleroboticssystem.