一种基于模型观测的对传感器噪声抑制比可调的闭环控制方法.docx

一种基于模型观测的对传感器噪声抑制比可调的闭环控制方法
Title:AClosed-LoopControlMethodforSensorNoiseSuppressionwithTunableNoiseReductionRatioBasedonModelObservation
Abstract:
Sensornoiseisacommonphenomenonthatcanhampertheaccuracyandreliabilityofmeasurementsinvariousfields.Inthispaper,weproposeaclosed-loopcontrolmethodforsensornoisesuppressionthatutilizesmodelobservationtoachieveatunablenoisereductionratio.Themethodemploysafeedbacklooparchitecturetocontinuouslyobserveandadapttothedynamiccharacteristicsofthenoise.Experimentalresultsdemonstratetheeffectivenessoftheproposedapproachinreducingsensornoisewhilemaintainingaccuratemeasurements,makingitsuitableforreal-worldapplications.
1.Introduction
Sensorsarecrucialcomponentsinvariousindustries,suchasautomotive,aerospace,andhealthcare,whereaccuratemeasurementsarevital.However,sensorsarepronetonoise,whichcanarisefromvarioussources,includingbackgroundinterference,electroniccomponents,andenvironmentalfactors.Sensornoisecansignificantlyimpacttheaccuracy,precision,andreliabilityofthemeasurements.Therefore,itisessentialtodevelopeffectivetechniquestomitigatesensornoise.
2.RelatedWork
Manytraditionalsensornoisesuppressionmethodsrelyonsignalprocessingtechniques,suchasfilteringandaveraging.Whilethesemethodscanreducenoisetosomeextent,theyoftenintroducedelaysanddistorttheoriginalsignal.Additionally,thesemethodshavefixedparameters,makingthemlessadaptivetodynamicnoisecharacteristics.Inrecentyears,therehasbeenincreasinginterestinclosed-loopcontrolmethodsthatleveragetheknowledgeoftheunderlyingsystemtodampentheeffectsofsensornoise.
3.ProposedMethod
Theproposedmethodutilizesaclosed-loopcontrolarchitecture,wherethesensoroutputiscontinuouslyobservedandfedbackfornoisesuppression.Thekeyideaistoincorporateamathematicalmodelofthesystemtopredicttheexpectedoutputandcompareitwiththeactualmeasurements.Byadjustingthecontrolparametersbasedonthedifferencebetweenthepredictedandmeasuredvalues,thenoisecanbeeffectivelyattenuated.
3.1ModelObservation
Thefirststepinvolvesdevelopingamath