工学部_研究紹介_2019_英語版

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TaishiLabThe growth of functional single crystals leads to the future, innovative society!After GraduationIn the FutureElectrical& Computer EngineeringMaininterestofourlaboratoryisthegrowthandevaluationofsemiconductingandfunctionaloxidesinglecrystalssuchassilicon(Si),Siliconcarbide(SiC)andpotassiumniobate.Singlecrystalsareelectrically,optically,andmechanicallyhomogeneousmaterials.Forexample,SisinglecrystalsarewidelyusedforLSIdevicesorsolarcells.WeareoneoftheleadinggroupsinthefieldofbulkcrystalgrowthinJapan.Weareconductingvariouscooperativeresearchesrelatedto“greenmaterials”withProfessorEmeritusKeigoHoshikawa..Several typical single crystals, such as silicon and sapphire, grown in our laboratory or cooperative companies.Wearecurrentlyworkingonthegrowthofvarioussinglecrystalscalled“greenmaterials”thatcontributetoenvironmentalpreservation.Sapphire,oneofthekeymaterialsforourlaboratoryisusedasasubstrateforGaN-basedLEDdevices.Thuswestudythegrowthoflarge-scaleandhighqualitysapphirecrystalsbyverticalBridgmantechnique,whichisoneofthetypicalmeltgrowthmethods.Operators are observing the inside of the Czochralski growth furnace. Inset: A silicon germanium single crystal grown from the melt. Studentsinourlaboratoryacquiremanyskillsandtechniquesrelatedtothecrystalgrowthandtheylearnhowtoapplythem.Aftergraduation,wehopethatourskillfulstudentsactivelyworkinvariouscompaniesoracademicinstitutions.ToshinoriTaishiAssociate ProfessorMain research fields are bulk crystal growth and evaluation of crystalline defects. He was born in Nagano.HernanLabIn the FutureAfter GraduationEvolutionarycomputationisusedtofindoptimalsolutionstomulti-objective,largescale,complexoptimizationproblems.Evolutionarycomputationsimulatesevolutionanditisappliedtosolveavarietyofdesigninnovationandsustainabilityproblems.Smartpowergrids,intelligentmobilityandtransportationsystems,andintelligentwatergridsarethreekeysystemstowhichevolutionarycomputationcanbeusedtooptimizetheirdesignandimprovetheirsustainabilitytomeettheneedsofthefuture.Additionally,designinnovationinkeyindustries,suchasautomobileandspaceexploration,areareasinwhichevolutionarycomputationwillplayanimportantrole.IntheLaboratorywelearnaboutreal-worldproblem-solvingandoptimizationbycomputationalmeans.Thisrequiresaclearunderstandingoftheproblem,itsmodeling,andthecreationofaprogramtosolveit.Thereisalsoopportunitiestocollaborateinjointresearchwithindustry.Theseactivitiescomplementstheeducationreceivedintheundergraduatecurseandbroadenstheskillsofengineers.AguirreHernanProfessorEcuadorian Engineer. PhD from ShinshuUniversity in 2003. Collaborates actively with in-dustry, promotes international exchange, and conducts joint research with national and international institutions. Evolutionarycomputationusescomputationalmodelsofnaturalevolutiontosolvecomplexproblemsinscienceandengineering.Thecreationofsustainablesystemstomeetourneedswithoutcompromisingfuturegenerationsisasocialchallenge.Itdemandsthedevelopmentofnewtechnologiesandtheredesignofourinfrastructure,balancingenvironmental,economic,andsocietalneeds.Sustainabilityproblemsareintrinsicallycomplex,dynamic,large-scale,spanseveraldisciplines,andrequiremultidisciplinaryeffortsandmethodstosolvethem.Weusethepowerofevolutionarycomputationfordesigninnovationandoptimizationofsolutionstocomplexsustainabilityproblems.Evolutionary Computation for Design Innovation and SustainabilityElectrical& Computer Engineering28