工学部_研究紹介_2020_英語版

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Ultra Precision Machine and Mechatronics(Sensor, Actuator and Mechanism)Sensorsandactuatorsareimportantandfundamentalelementsofmechatronics.Wearedevelopingnewsensors,analyzingactuatormechanisms,andinvestigatingnewapplicationofthesensorsandactuators.Forexample,anovelsensortodetect“jerk”isdevelopedinourlaboratoryanditsapplicationformotioncontrolorformachinediagnosisareinvestigated.Jerkisdifferentiationofacceleration.Alsoweinvestigatefundamentalornewcharacteristicsofpiezoelectricactuatorwhichisoftenusedinprecisepositioningmachine.Mechatronicsisbasisofproductionandmanufacturingtechnology.Fusionofevolutionofeachelementtechnologyanddevelopmentofsynthesistechnologyprogressesscienceantechnologyofhumanbeings.Alloftheresearchesinourlaboratoryrelatesdirectlywithindustrialtechnologyorcontributestofuturedevelopmentofengineeringtechnology.Theyalsohaveinterestingacademicaspects.Ourresearchesrequireengineeringknowledgeofbothhardwareandsoftware.Studentsgethardtrainingtolearnthebothskills.Graduatedstudentshavegotcareersinvariousindustries,e.g.,cars,electronics,precisionmachines,powersupplies,orsoftwaredevelopmentcompanies.Theacademicknowledge,technicalskillsandrelationshipswiththecolleaguewhosharesjoyandhardtimeinthelab.becomestreasureoflife.ProfessorGraduated doctoral course in Tokyo Institute of Technology. Worked five years at Tokyo University of Science as a research associate. Working at ShinshuUniversity since 1998. Research interests are in precision mechanism, measurement and control, sensors and actuators, etcExperimentalapparatusfornoveldiagnosismethodofrollingbearingfailurewithpiezoelectricjerksensor.Theoriginallyproposedmethodisavailableeventoveryslowrotationspeedbearings.Experimentalapparatusformeasurementofflexoelectriceffectinpiezoelectricceramics.Wefoundthathighsensitivitycouldbeobtainedbytorsion.Anovelrotationalaccelerationsensorisdevelopingbyusingthisnewphenomenainpiezoelectricmaterials.Nobuhiko HenmiIn the FutureMechanical Systems EngineeringAfter GraduationShigeoFukadaIn the FutureMechanical Systems EngineeringAfter GraduationEvolutionalperformanceofcurrentdigitalequipmentinourlives,suchasDVDplayers,digitalcamerasandmobilephones,issupportedbytheprogressinaccuracyandresolutionofultraprecisionfabricationtechnology.Thoseultraprecisiontechnologiesessentiallyneedmotiondevicesthatareabletomoveobjectswithnanometricoratomic-levelresolutionandaccuracy.Fukadalaboratoryconductsresearchesinthefieldofultraprecisionmechanicalsystems,andourcurrentinterestsareprecisionmechanicalelementsandthemeasurementandcontrolofultraprecisionmechanisms.Theaccuracyofmachiningorfabricatingprocessesformechanicalelementsorelectronicdevicesimpliestheleveloftechnologicaldevelopmentinanation.Theimprovementofmachiningaccuracyleadstotheimprovedperformanceofeverymachineandequipment.Theprogressofultraprecisionpositioningtechnologyenablesartificialfabricationofultra-finestructureswithatomicspacing,whichopensdoorstodevelopnovelmedicaldevicesandecologicaltechnologies.Professor His major fields are precision engineering and ultraprecision mechatronics. He is very attached to design of mechanisms as an engineer. Precision machining is also his hobby.Ultraprecisionpositioningmechanismrealizingnanometricresolution.Itperformsmotionwith1nanometerspacingover1millimetercubic.Mechanical Motion with Atomic-level Resolution and Accuracytoward the realization of ultraprecision mechanismUltraprecisionturninglatheusingultraprecisionpositioningstagedrivenbyaballscrewfirstlyrealizingpositioningresolutionatangstromlevelasatomicspacing.StudentsinFukadalaboratorydesignandmanufactureultraprecisionexperimentalapparatusesandprogramsoftwaretocontrolthembythemselves.Ourgraduatesareworkingasengineersinvariousindustries.52