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1、英文资料翻译Amodeling-basedmethodologyforevaluatingtheperformanceofareal-timeembeddedcontrolsystemKlemenPerko,RemyKocik,RedhaHamouche,AndrejTrostABSTRACTThispaperpresentsamodelling-basedmethodologyforembeddedcontrolsystem(ECS)design.Here,insteadofdevelopinganewmethodologyforECSdesign,weproposetoupg
2、radeanexistingonebybridgingitwithamethodologyusedinotherareasofembeddedsystemsdesign.Wecreatedatransformationbridgebetweenthecontrol-schedulingandthehardware/software(HW/SW)co-designtools.Bydefiningthisbridge,weallowforanautomaticmodeltransformation.Asaresult,weobtainmoreaccuratetiming-behavi
3、oursimulations,consideringnotonlythereal-timesoftware,butalsothehardwarearchitecture’simpactonthecontrolperformance.Weshowanexamplewithdifferentmodel-evaluationresultscomparedtorealimplementationmeasurements,whichclearlydemonstratesthebenefitsofourapproach.©2011ElsevierB.V.AllrightsreservedKE
4、YWORDS:Modeling,Modeltransformations,Embeddedcontrolsystemsdesign,Real-timesystems1.IntroductionEmbeddedcontrolsystems(ECSs)areubiquitousnowadays.Theyareusedinabroadspectrumofapplications,fromsimpletemperaturecontrolin33householdappliancestocomplexandsafety–criticalautomotivebrakesystemsorair
5、craftflightcontrolsystems.Differentapplicationshavedifferentdemandswithregardstothereal-timeexecution,controlperformance,energyconsumption,price,etc.,oftheECSbeingused.Moderntechnologiesforhardware(HW)andsoftware(SW)designprovideavarietyofpossibilitiesfordesigningECSs(e.g.,distributedandnetwo
6、rkedHW,multi-processorsystems,avarietyofSWcontrolalgorithmsandreal-timeoperatingsystems(RTOSs),etc.)[1].ItiscommonlyacknowledgedthatthedesigningandverifyingofreliableandefficientECSsforaparticularapplicationarechallengingtasks.1.1.Traditionalcontrol-systemdesignTheaimofdesigninganECSistobuild
7、acomputingsystemthatisabletocontrolthebehaviorofaphysicalsystem,e.g.,aplant.Suchaplantismadeupofinterconnectedmechanical,electricaland/orchemicalelements.AtypicalECSconsistsofelectronicsensorsfordataacquisitionfromtheplant,acomputingsystemfor
