Engineering-Research-Activity2016|SHINSHU UNIV.
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Sensingtechniquesareessentialstoachievesimpleandhighlyefficientmechatronicssystems.InTakayama-Laboratory,non-destructiveornon-contactsensingtechniqueshavebeenstudiedbasedonpropagationorreflectionanalysisofwaves,suchassound,light,andradioorelectromagneticwaves.Inaddition,weaimtoimprovethesetechniquesanddevelopan“intelligentsensingsystem”thatadaptivelychangesitsmeasurementdimension,precisionorresolutioninresponsetosensingtargetsorpurposes.Whatkindofsocietycanyouimaginewiththeadvanceofsensingtechniques?It’sasocietywheresensingandcontroltechniquesarefusedwithfullyautomatedmechanicaldevices.Forexample,ifthesurroundingenvironmentisfullyrecognizedbytheadvancedsensingtechniques,thecarwilloperateautomatically.Inaddition,anumberoffuturetechnologies,suchasperfectautonomousrobotsthatcooperateswithhumans,willcometrue.Jun-yaTakayamaAssociateProfessorHehasbeenafacultyatShinshuUniversitysince2012.Hiscurrentresearchinterestsaretheintelligentsensingsystemsandthehigh-accuracysensingtechniquesrelatingthem.Photograph of the electromagnetic wave radar systems and cross-sectional surface image of inner structure obtained by them.Realization of Intelligent Sensing Systemsthat can think about their Own PerformancePhotograph of localization experiment for the wireless sensor nodes. Good localization result is obtained from rough RF information.SensingtechniquesarethefundamentalelementstorealizevariousscientifictechnologiessuchaskinematiccontrolandexternalrecognitionofrobotsTherefore,ourstudentscanusetheirknowledgeandproblem-solvingabilitiesobtainedthroughacademicresearchesinvariousresearchfieldsbeyondmechanicalengineering.TakayamaLabIn the FutureMechanical Systems EngineeringAfter GraduationOurresearchgrouphasdevelopedtheCompressionShearingMethodatRoomTemperature(COSME-RT)whereinmetalpowderissimultaneouslyloadedbyashearingforceandacompressivestressinairatroomtemperaturetoformaplate.Usually,heatisnecessaryforpowdermetallurgyformingprocessessuchashotpressing.Incontrast,theCOSME-RTprocessesthepowderatroomtemperature,sograincoarseningdoesnotoccur.Asaresult,theCOSME-RTyieldsgoodmechanicalproperties.Ti-6Al-4Viswidelyusedinbiomechanicalapplications,suchasdentalimplantsandintramedullarynails.However,sincevanadium(V)isdetrimentaltoorganismsandisalsoarareearthelement,V-freebiomaterialsaredesired.COSME-RTcanbeusedtoproducepureTiplatesthatexhibithighstrengthandnanometergrainsizes,makingthismaterialausefulalternativetothecommonbiomaterialTi-6Al-4V.Compression Shearing Method at Room Temperature (COSME-RT): (a)Step 1: metal powder is first placed between a stationary plate and a moving plate in the apparatus. A compressive stress is then applied to the moving plate and maintained during the forming process. (b)Step 2: Finally, a shearing load is added to the moving plate and displaced in the shearing direction.A thin plate is fabricated in this step.Development of Materials Useful in the Fields of Medicine and Welfare The tensile strength of the Ti thin plate formed by the Compression Shearing Method at Room Temperature (COSME-RT) was found to be 3 times larger than that for the rolled Ti.ThegraduatesofNakayamalaboratoryareworkingactivelyinautomotiveindustriesormanufacturesandmetalprocessingfactories.NoboruNakayamaDr.Eng.AssociateProfessorResearcharea:Plasticworking(powdermetallurgy),Nondestructiveinspection3 timesNakayamaLabIn the FutureMechanical Systems EngineeringAfter GraduationSensingtechniquesareessentialstoachievesimpleandhighlyefficientmechatronicssystems.InTakayama-Laboratory,non-destructiveornon-contactsensingtechniqueshavebeenstudiedbasedonpropagationorreflectionanalysisofwaves,suchassound,light,andradioorelectromagneticwaves.Inaddition,weaimtoimprovethesetechniquesanddevelopan“intelligentsensingsystem”thatadaptivelychangesitsmeasurementdimension,precisionorresolutioninresponsetosensingtargetsorpurposes.Whatkindofsocietycanyouimaginewiththeadvanceofsensingtechniques?It’sasocietywheresensingandcontroltechniquesarefusedwithfullyautomatedmechanicaldevices.Forexample,ifthesurroundingenvironmentisfullyrecognizedbytheadvancedsensingtechniques,thecarwilloperateautomatically.Inaddition,anumberoffuturetechnologies,suchasperfectautonomousrobotsthatcooperateswithhumans,willcometrue.Jun-yaTakayamaAssociateProfessorHehasbeenafacultyatShinshuUniversitysince2012.Hiscurrentresearchinterestsaretheintelligentsensingsystemsandthehigh-accuracysensingtechniquesrelatingthem.Photograph of the electromagnetic wave radar systems and cross-sectional surface image of inner structure obtained by them.Realization of Intelligent Sensing Systemsthat can think about their Own PerformancePhotograph of localization experiment for the wireless sensor nodes. Good localization result is obtained from rough RF information.SensingtechniquesarethefundamentalelementstorealizevariousscientifictechnologiessuchaskinematiccontrolandexternalrecognitionofrobotsTherefore,ourstudentscanusetheirknowledgeandproblem-solvingabilitiesobtainedthroughacademicresearchesinvariousresearchfieldsbeyondmechanicalengineering.TakayamaLabIn the FutureMechanical Systems EngineeringAfter GraduationOurresearchgrouphasdevelopedtheCompressionShearingMethodatRoomTemperature(COSME-RT)whereinmetalpowderissimultaneouslyloadedbyashearingforceandacompressivestressinairatroomtemperaturetoformaplate.Usually,heatisnecessaryforpowdermetallurgyformingprocessessuchashotpressing.Incontrast,theCOSME-RTprocessesthepowderatroomtemperature,sograincoarseningdoesnotoccur.Asaresult,theCOSME-RTyieldsgoodmechanicalproperties.Ti-6Al-4Viswidelyusedinbiomechanicalapplications,suchasdentalimplantsandintramedullarynails.However,sincevanadium(V)isdetrimentaltoorganismsandisalsoarareearthelement,V-freebiomaterialsaredesired.COSME-RTcanbeusedtoproducepureTiplatesthatexhibithighstrengthandnanometergrainsizes,makingthismaterialausefulalternativetothecommonbiomaterialTi-6Al-4V.Compression Shearing Method at Room Temperature (COSME-RT): (a)Step 1: metal powder is first placed between a stationary plate and a moving plate in the apparatus. A compressive stress is then applied to the moving plate and maintained during the forming process. (b)Step 2: Finally, a shearing load is added to the moving plate and displaced in the shearing direction.A thin plate is fabricated in this step.Development of Materials Useful in the Fields of Medicine and Welfare The tensile strength of the Ti thin plate formed by the Compression Shearing Method at Room Temperature (COSME-RT) was found to be 3 times larger than that for the rolled Ti.ThegraduatesofNakayamalaboratoryareworkingactivelyinautomotiveindustriesormanufacturesandmetalprocessingfactories.NoboruNakayamaDr.Eng.AssociateProfessorResearcharea:Plasticworking(powdermetallurgy),Nondestructiveinspection3 timesNakayamaLabIn the FutureMechanical Systems EngineeringAfter Graduation12

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