简介:Lowgainfeedbackreferstocertainfamiliesofstabilizingstatefeedbackgainsthatareparameterizedinascalarandgotozeroasthescalardecreasestozero.Lowgainfeedbackwasinitiallyproposedtoachievesemi-globalstabilizationoflinearsystemssubjecttoinputsaturation.Itwasthencombinedwithhighgainfeedbackindifferentwaysforsolvingvariouscontrolproblems.Theresultingfeedbacklawsarereferredtoaslow-and-highgainfeedback.Sincetheintroductionoflowgainfeedbackinthecontextofsemi-globalstabilizationoflinearsystemssubjecttoinputsaturation,therehasbeenefforttodevelopalternativemethodsforlowgaindesign,tocharacterizekeyfeaturesoflowgainfeedback,andtoexplorenewapplicationsofthelowgainandlow-and-highgainfeedback.Thispaperreviewsthedevelopmentsinlowgainandlow-and-highgainfeedbackdesigns.
简介:摘要:高中英语写作的作文评价对老师来说是一项费力不讨好的工作,对学生而言,也收不到预期的效果。基于学习共同体的同伴反馈能够通过同伴之间的相互作用、相互影响的共同体,提升学生思维能力和写作能力。
简介:Theoptimalfusionsolutionwithfeedbackinformationforahybridmultisensordatafusionsystemispresented.Inthissystem,apartofsensorsprocesstheirdatalocallytoproducelocaltracks,andanotherpartofsensorsonlyprovidedetectionreportsThesetracksanddetectionreportsarecommunicatedtoacentralsitewheretrackfusionandcompositefilteringareperformed.Thecomparativeresultsonthesimulationssuggestthefeedbackinformationfromthecentercangreatlyimprovethetrackingperformanceofthelocalnode.
简介:Itisafactthatthefeedbackdelayactuallyarieseindigitalcontrolsystems.Itisnecessarytomodifythestructureofdigitalcontrolsystemsanddevelopnewcontrolalgorithms,whichisdoneinthispaper.Agreatnumberofdigitalcomputersimulationexperimentshaveshowntheobviousadvantageofthenewalgorithms.
简介:ThispaperinvestigatestherelationshipbetweenstatefeedbackandHamiltonicanrealization.Firest,itisprovedthatacompletelycontrollablelinearsystemalwayshasastatefeedbackstateequationHamiltonianrealization.NecessaryandsufficientconditionsareobtainedforittohaveaHamiltonianrealizationwithnaturaloutput.ThensomeconditionsforanaffinenonlinearsystemtohaveaHamiltonianrealizationaregiven.someconditionsforanaffinenonlinearsystemtohaveaHamiltonianrealizationaregiven.Forgeneralizedoutputs,theconditionsofthefeedback,keepingHamiltonian,arediscussed.Finally,theadmissiblefeedbackcontrolsforgeneralizedHamiltoniansystemsareconsidered.