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AUTOMATIC CONTROL OF ASSIST

Prcoeeings odfthe 2th An0unla ZtnreatinoanlC ofneence or thefIE E EngEinereng in Mediiicnean Bidlogo ySoiecy,t Vlo. 0,N2O 1,1998

ATOMUAIC TOCNRTL OOFASS ST ILFOWI NTOATLL IYPMANLTBLE LEFT VENTAIRCLURAA SISSTDEV ICEU SNGI ARIVALBEPUMP ATE JRognooh nCoi, haeJoosnCh i,o ouYghon J, oukWeu nim, KBuynggooM ni *nItrdiscipeinlray Prgraom ofM edcial ndaB ioogicllaEng ieneing,r Garudat eShcool,ad nDep*armtnetofBio emdicalE ginnereng,iColleg ef oeMdicie,nS oul Naeiotna lnivUrsety iEma-il:eremj y@boime.sndu.ack.r Astbruct:I ntishst dy,uth e atumatoc contior llgarothi inmimp altnale beft vletrnicluar asiss tdevcie otreg late ucarida coututp ot hteex entt ofp evrnetig anriatl-ocllapesa n dht heighle f ttaral prisseur(eAL) Pi propssoed.I tersnc paersurse1S(P)wa evofr wmhcih eflerct sthe tsatsu o leftfa rtai lrespsreu i uses dn aituoatimc onctrlo By.anal ziyn ghe rteltioasnih pbetwen eLAPand t h negeatvi eeakp foI PS t,h equetian for omking ate rheefernec f Po-Ioctrollnerwa s ste B. yuisng het eferrnce eeuatioqn te hprposodea tomauit ccnotollerrwhic hregu atesl tehass si tfowlwas d seingd. Tehorugh moc ckicuratory lexerpmientsa d animnal exeripent aumtmotacic ontor alglritho wasmeva ulteda.Keywo drs:utomAaic ctnotol rf oasist slfo, weLt Vefntrculair sAsis Devtice P,I cotrnlo Itronduciotn analy ez desurtl sht aetomutic acnotor lalogithr mtah tegurlats tee hsaisst lof wsi esdigend. etModsh R veesibre calrida dysfcnuctin has obee nuspoptrd weit hhterotoepi procshttec ivetnircls ei then ofrmo lfetfv ntrecuilra,rigt vhenrtiulca ran bidentvriclau rassis detvice. Ins Adidion, tteh dviecs ean bec uesd sa te hbirdges o fardcicatr anslpanatiton[.] IheT eltfventricu larsy tes mhiwhch s abener eeasrced ih nor utae imsa t tolal iypmlanatbl eeectloremhcnical ayte.p I neeclrotemhancialcL VAD,i tfehac utato prull she tlboodin eltf traiume xcessivel,yt eh taiurm egs toclalped. The sartailc olalps ecusaesair-e bolimm san mdycoraiud damagem.2[]I fAL ePxceds eonmral angr, eupmolnryae demaocc ur. sSova iros cuntorlometho sd aveh ben peorosedpin rder ot opervntea obvem nteoneid roplbems I. ntis shudt,yt eh rletianohisp etbewn eSI Pna LdA Pi analyzsd ead by nsung thei

A. Anlasiys o fnier-tascpre surs(ISP) eTe presshru seneor whicsh emasreus SP isI opistinoe outdsid bleoodc amhbr eot to ncntacot lobdo idectlr.yF(ig1) IPSha s trons rglaeton iot rploeda isneci ti chsnagde acocrdin gtoth eiffedrnce betewen einlfw aon oudfltow .Epesiallyct he neagivte epka ofI S rPfeeclst th eniormftiona f opelroa dmch umor.e In htec aestha tnfiow lsi essl thnaou tflw,o httai, tsehrei sle ssblo odi neltfa rtum, tihe enagtiev pea okf IS Pah slw oalvue. nOth e cnotary wrenh iflow nisen ouhg,te nheagtveip eako fISP h s haghi alvuebe aucse foth eitlle tdffireecneb tewene ifnlowa dno tflou.[3w] Fi. 2.g showst h reeltaonshii petweeb LAPnand htenegat vi peeakof SI.P orAatLe t Aftrim

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AUTOMATIC CONTROL OF ASSIST

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