Adaptive control method for nonlinear time-delay processes

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摘要 Twocomplexproperties,varyingtime-delayandblock-orientednonlinearity,areverycommoninchemicalengineeringprocessesandnoteasytobecontrolledbyroutinecontrolmethods.Aimedatthesetwocomplexproperties,anoveladaptivecontrolalgorithmthebasisofnonlinearOFS(orthonormalfunctionalseries)modelisproposed.First,thehybridmodelwhichcombinesOFSandVolterraseriesisintroduced.Then,astablestatefeedbackstrategyisusedtoconstructanonlinearadaptivecontrolalgorithmthatcanguaranteetheclosed-loopstabilityandcantrackthesetpointcurvewithoutsteady-stateerrors.Finally,controlsimulationsandexperimentsonanonlinearprocesswithvaryingtime-delayarepresented.Anumberofexperimentalresultsvalidatetheefficiencyandsuperiorityofthisalgorithm.
机构地区 不详
出版日期 2007年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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