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Observer based nonline arcontrol design for glucose regulation intype 1 diabetic patients :AnLMIapproach

Penulis : ANIRUDH NATH [-]
Kontributor / Dosen Pembimbing :
  • RAJEEB DEY
Jenis Koleksi : Jurnal elektronik
Penerbit : Teknik Biomedis
Fakultas : Sekolah Teknik Elektro dan Informatika
Subjek : Engineering & allied operations
Kata Kunci : Type1diabetesmellitusNonlinearobserverFeedbacklinearisationRegionalpoleplacementInter-patientvariability
Sumber : BiomedicalSignalProcessingandControl47(2019)7–15
Staf Input/Edit : SYSTEM   Rita Nurainni, S.I.Pus
File : 1 file
Tanggal Input : 20 Des 2018

2018_EJRNL_PP_ANIRUDH_NATH_1.pdf
Terbatas Rita Nurainni, S.I.Pus
» ITB

Thispaperdealswiththedesignofobserver-basednonlinearcontrolofbloodglucoseconcentration(BGC)ofType1diabetesmellitus(T1DM)patientsinaLinearMatrixInequality(LMI)framework.Thecontrollerdesignreliesontheinformationofthestatesobtainedfromanonlinearobserver.Thecontrollawisderivedusingfeedbacklinearisationandregionalpoleplacementtechnique.Further,anumericaloptimisationmethodisproposedforthecomputationofthecontrollergainsbycapturingtherelation-shipbetweentransformeddomainandoriginaldomaindynamicsbyiterativelytuningthecircularLMIregionparameters(‘q’and‘r’)suchthatthelocationsofclosed-looppolesoftheoriginalnonlinearsystemareattained.Theproposedcontrollercandeliverrobustclosed-loopresponseofBGCwithinaspeci-fiedrangeofparametricuncertaintyandmealdisturbancesowingtotheappropriatelytunedboundofLMIregionparameters.Theperformanceoftheproposedcontrolleristestedfor100virtualT1DMpatientsinthepresenceofparametricuncertaintyanduncertainmealdisturbance.Bothseverehypo-glycemia(<50mg/dl)andpost-prandialhyperglycemiaareavoidedbytheproposedschemefornominalanduncertainparameters.

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