工学部_研究紹介_2019_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.NobuhikoHenmiProfessorGraduated 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.HenmiLabIn the FutureMechanical Systems EngineeringAfter GraduationFukada LabIn the FutureMechanical Systems EngineeringAfter GraduationEvolutionalperformanceofcurrentdigitalequipmentinourlives,suchasDVDplayers,digitalcamerasandmobilephones,issupportedbytheprogressinaccuracyandresolutionofultraprecisionfabricationtechnology.Thoseultraprecisiontechnologiesessentiallyneedmotiondevicesthatareabletomoveobjectswithnanometricoratomic-levelresolutionandaccuracy.Fukadalaboratoryconductsresearchesinthefieldofultraprecisionmechanicalsystems,andourcurrentinterestsareprecisionmechanicalelementsandthemeasurementandcontrolofultraprecisionmechanisms.TheaccuracyofmachiningorfabricatingprocessesformechanicalelementsorelectronicdevicesimpliestheleveloftechnologicaldevelopmentinanationTheimprovementofmachiningaccuracyleadstotheimprovedperformanceofeverymachineandequipment.Theprogressofultraprecisionpositioningtechnologyenablesartificialfabricationofultra-finestructureswithatomicspacing,whichopensdoorstodevelopnovelmedicaldevicesandecologicaltechnologies.Prof. Shigeo FukadaHis 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.Ultraprecision positioning mechanism realizing nanometric resolution. It performs motion with three degrees of freedom in X-Y plane.Mechanical Motion with Atomic-level Resolution and Accuracytoward the realization of ultraprecision mechanismUltraprecision positioning stage driven by a ball screw firstly realizing positioning resolution at angstrom level as atomic spacing.StudentsinFukadalaboratorydesignandmanufactureultraprecisionexperimentalapparatusesandprogramsoftwaretocontrolthembythemselves.Ourgraduatesareworkingasengineersinvariousindustries.53