Mechanical Systems EngineeringMechanical Systems Mechanical Systems EngineeringMechanical Systems Inourlaboratory,complexfluidflowswhichwecanseeinourdailylifebutcannotunderstandsufficientlyarestudiedbynumericalsimulations.Owingtorecentgreatadvanceincomputers,wehavebeenabletoinvestigatecomplexfluidflowswithhighaccuracy.Inparticular,thecombinationofthelatticeBoltzmannmethod(LBM)withtheimmersedboundarymethod(IBM)isapowerfulnumericalmethod,andcomplexfluidflowsindailylifesuchasfallingleavesorflappingflightbyinsectsaresimulatedbythemethod.Advancedroboticsbasedonnewmodelingandcontrolprinciplewillchangeourworldinthiscentury.Ourmodelingandfastcomputationmethodforhydraulicrobotdynamicscontributestoreducedesigneffortsofconstructionmachinery.Ournonlinearandphysicalcontrolmethodforhydraulicrobotdynamicscontributestoimprovecontrolperformanceofarobotforanuclearpowerplants.OurcamerabasedmodelingandcontrolmethodcontributestoprovideanovelsignalconfigurationwhichisverydifferentfromthoseofASIMO,BigDog,andsoon.Wehavepresentedtheseresultsinthehighly-valuedinternationaljournals.SatoruSakaiAssociate ProfessorJSPS post doctoral research fellow (Kyoto Univ., Twente Univ., 2003-2005)Research associate (Chiba Univ., 2005-2010)Associate Professor (ShinshuUniv., 2010-). KosukeSuzukiAssociateProfessorPhDinEng.-2014,KyotoUniversity.Specialty: Computational Fluid Dynamics, Lattice Boltzmann Method, Immersed Boundary MethodInourlaboratory,youcanseenewrobotics.Anewmodelingandcontrolofhydraulicrobotdynamicsinourlaboratoryattractsoneoftheworldbiggestconstructionmachinerycompanies,steeringsystemscompanies,andagriculturalmachinerycompanies.Anewcamerabasedmodelingandcontrolalsoattractsoneoftheworldbiggeststeelcompanies.Thislabhasstrongcollaborationwiththesebiggestcompanies(inNIKKEI225)havesignificantresultsandwillchangethiscentury.ManystudentscanbecontrolengineersaswellasmechanicalengineerssuchasinHitachi,MitsubishiHeavyIndustrial,Kubota,Honda,Panasonic,Amada,Okuma,Furukawaetcaftergraduationofthislab.Everyonecanobserveinwinterthataleaffluttersandtumblesdown,butcannoteasilypredictthetrajectoryandtheorientationoftheleaf.Similarly,anyonecannotcompletelyanswerthefollowingquestion,i.e.thefluidflowinducedby‘Howcaninsectsfly?’.insectsandtheliftforceactingtheirwingsareunderstood,anairplaneflappinglikeinsectsmaybeconstructed.IfInourlaboratory,youcanacquirenotonlyspecializedknowledgeonfluiddynamics,butalsoabilitiesforlogicallythinking,explaining,andwritingaswellasprogrammingskill.Theseknowledge,abilities,andskillareusefulinawiderangeofengineeringfield.Our impedance control achieves mechanical structure in the presence of parameter perturbations which are totally unknown. Left: Our aerial vehicle transforms from a helicopter to an air plane. Right: Our robot has a different signal configuration from ASIMO, BigDog. Freeflightsimulationofabutterfly-likeflappingwing-bodymodel.Suchasimplewing-bodymodelcanflyagainstgravity.The map of ‘Flapping frequency’ vs. ‘Mass’. The simple wing-body model with mass of actual insects can go upward against gravity. In the futureAfter graduationIn the FutureAfter GraduationEngineeringEngineeringAdvanced Robotics Based on New Modeling & Control Principle Numerical Simulation ofComplex Fluid Flows in Daily Life
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