(cid:2) DESIGN AND IMPLEMENTATION OF LARGE-RANGE COMPLIANT MICROPOSITIONING SYSTEMS (cid:2) (cid:2) (cid:2) (cid:2) DESIGN AND IMPLEMENTATION OF LARGE-RANGE COMPLIANT MICROPOSITIONING SYSTEMS (cid:2) QingsongXu (cid:2) UniversityofMacau,China (cid:2) (cid:2) Thiseditionfirstpublished2016 ©2016JohnWiley&SonsSingaporePte.Ltd. Registeredoffice JohnWiley&SonsSingaporePte.Ltd.,1FusionopolisWalk,#07-01SolarisSouthTower,Singapore138628. Fordetailsofourglobaleditorialoffices,forcustomerservicesandforinformationabouthowtoapplyfor permissiontoreusethecopyrightmaterialinthisbookpleaseseeourwebsiteatwww.wiley.com. 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LimitofLiability/DisclaimerofWarranty:Whilethepublisherandauthorhaveusedtheirbesteffortsinpreparing thisbook,theymakenorepresentationsorwarrantieswithrespecttotheaccuracyorcompletenessofthecontentsof thisbookandspecificallydisclaimanyimpliedwarrantiesofmerchantabilityorfitnessforaparticularpurpose.Itis soldontheunderstandingthatthepublisherisnotengagedinrenderingprofessionalservicesandneitherthe publishernortheauthorshallbeliablefordamagesarisingherefrom.Ifprofessionaladviceorotherexpert assistanceisrequired,theservicesofacompetentprofessionalshouldbesought. (cid:2) (cid:2) LibraryofCongressCataloging-in-PublicationData Names:Xu,Qingsong,1978-author. Title:Designandimplementationoflarge-rangecompliantmicropositioning systems/QingsongXu. Description:Singapore:JohnWiley&SonsInc.,[2016]|Includes bibliographicalreferencesandindex. Identifiers:LCCN2016015350|ISBN9781119131434(cloth)|ISBN9781119131465 (AdobePDF)|ISBN9781119131458(epub)|ISBN9781119131441(oBook) Subjects:LCSH:Micropositioners. Classification:LCCTJ223.P67X8252016|DDC629.8/95–dc23LCrecordavailableat https://lccn.loc.gov/2016015350 AcataloguerecordforthisbookisavailablefromtheBritishLibrary. Typesetin10/12ptTimesLTStdbySPiGlobal,Chennai,India 10987654321 (cid:2) (cid:2) To Professor Wei Zhao and my family, for their constant encouragement (cid:2) (cid:2) (cid:2) (cid:2) Contents Preface xiii Acknowledgments xvii 1 Introduction 1 1.1 MicropositioningTechniques 1 1.2 CompliantGuidingMechanisms 2 1.2.1 BasicFlexureHinges 2 1.2.2 TranslationalFlexureHinges 3 1.2.3 TranslationalPositioningMechanisms 4 (cid:2) (cid:2) 1.2.4 RotationalPositioningMechanisms 8 1.2.5 Multi-StrokePositioningMechanisms 10 1.3 ActuationandSensing 11 1.4 ControlIssues 12 1.5 BookOutline 14 References 14 PartI LARGE-RANGETRANSLATIONALMICROPOSITIONING SYSTEMS 2 UniaxialFlexureStage 21 2.1 ConceptofMCPF 21 2.1.1 LimitationofConventionalFlexures 21 2.1.2 ProposalofMCPF 23 2.2 DesignofaLarge-RangeFlexureStage 25 2.2.1 MechanismDesign 25 2.2.2 AnalyticalModeling 26 2.2.3 ArchitectureOptimization 29 2.2.4 StructureImprovement 31 2.3 PrototypeDevelopmentandPerformanceTestings 33 2.3.1 StaticsPerformanceTesting 34 2.3.2 DynamicsPerformanceTesting 35 (cid:2) (cid:2) viii Contents 2.4 SlidingModeControllerDesign 35 2.4.1 DynamicsModeling 35 2.4.2 DSMCDesign 36 2.5 ExperimentalStudies 38 2.5.1 PlantModelIdentification 38 2.5.2 ControllerSetup 39 2.5.3 Set-PointPositioningResults 39 2.5.4 SinusoidalPositioningResults 41 2.6 Conclusion 42 References 44 3 XYFlexureStage 45 3.1 Introduction 45 3.2 XYStageDesign 46 3.2.1 DecoupledXYStageDesignwithMCPF 46 3.2.2 Buckling/BendingEffectConsideration 49 3.2.3 ActuationIssues 51 3.3 ModelVerificationandPrototypeDevelopment 52 3.3.1 PerformanceAssessmentwithFEASimulation 52 3.3.2 PrototypeFabrication 54 3.3.3 Open-LoopExperimentalResults 54 3.4 EMPCControlSchemeDesign 55 3.4.1 ProblemFormulation 56 (cid:2) (cid:2) 3.4.2 EMPCSchemeDesign 57 3.4.3 StateObserverDesign 60 3.4.4 TrackingErrorAnalysis 61 3.5 SimulationandExperimentalStudies 61 3.5.1 PlantModelIdentification 61 3.5.2 ControllerParameterDesign 64 3.5.3 SimulationStudiesandDiscussion 64 3.5.4 ExperimentalResultsandDiscussion 66 3.6 Conclusion 67 References 69 4 Two-LayerXYFlexureStage 70 4.1 Introduction 70 4.2 MechanismDesign 71 4.2.1 DesignofaTwo-LayerXYStagewithMCPF 71 4.2.2 StructureImprovementoftheXYStage 72 4.3 ParametricDesign 73 4.3.1 MotionRangeDesign 73 4.3.2 StiffnessandActuationForceDesign 74 4.3.3 CriticalLoadofBuckling 75 4.3.4 ResonantFrequency 75 4.3.5 Out-of-PlanePayloadCapability 76 4.3.6 InfluencesofManufacturingTolerance 77 (cid:2) (cid:2) Contents ix 4.4 ExperimentalStudiesandResults 79 4.4.1 PrototypeDevelopment 80 4.4.2 StaticsPerformanceTesting 80 4.4.3 DynamicsPerformanceTesting 81 4.4.4 PositioningPerformanceTesting 83 4.4.5 ContouringPerformanceTesting 84 4.4.6 ControlBandwidthTesting 86 4.4.7 DiscussionandFutureWork 88 4.5 Conclusion 89 References 89 PartII MULTI-STROKETRANSLATIONALMICROPOSITIONING SYSTEMS 5 Dual-StrokeUniaxialFlexureStage 93 5.1 Introduction 93 5.2 MechanismDesignandAnalysis 94 5.2.1 MechanismDesigntoMinimizeInterferenceBehavior 94 5.2.2 MechanismDesigntoAchieveLargeStroke 99 5.2.3 FEASimulationandDesignImprovement 101 5.3 PrototypeDevelopmentandOpen-LoopTesting 104 5.3.1 ExperimentalSetup 106 (cid:2) 5.3.2 StaticsPerformanceTesting 106 (cid:2) 5.3.3 DynamicsPerformanceTesting 107 5.4 ControllerDesignandExperimentalStudies 109 5.4.1 ControllerDesign 109 5.4.2 ExperimentalStudies 110 5.5 Conclusion 111 References 113 6 Dual-Stroke,Dual-ResolutionUniaxialFlexureStage 114 6.1 Introduction 114 6.2 ConceptualDesign 115 6.2.1 DesignofaCompliantStagewithDualRanges 115 6.2.2 DesignofaCompliantStagewithDualResolutions 116 6.3 MechanismDesign 117 6.3.1 StiffnessCalculation 118 6.3.2 MotionRangeDesign 119 6.3.3 MotorStrokeandDrivingForceRequirement 120 6.3.4 SensorDeployment 121 6.4 PerformanceEvaluation 123 6.4.1 AnalyticalModelResults 123 6.4.2 FEASimulationResults 124 6.5 PrototypeDevelopmentandExperimentalStudies 125 6.5.1 PrototypeDevelopment 126 6.5.2 StaticsPerformanceTesting 127 (cid:2) (cid:2) x Contents 6.5.3 DynamicsPerformanceTesting 129 6.5.4 FurtherDiscussion 131 6.6 Conclusion 133 References 133 7 Multi-Stroke,Multi-ResolutionXYFlexureStage 135 7.1 Introduction 135 7.2 ConceptualDesign 136 7.2.1 DesignofFlexureStagewithMultipleStrokes 136 7.2.2 DesignofFlexureStagewithMultipleResolutions 138 7.3 Flexure-BasedCompliantMechanismDesign 139 7.3.1 CompliantElementSelection 139 7.3.2 DesignofaTwo-AxisStage 140 7.4 ParametricDesign 141 7.4.1 DesignofMotionStrokes 141 7.4.2 DesignofCoarse/FineSensorResolutionRatio 144 7.4.3 ActuationIssueConsideration 145 7.5 StagePerformanceAssessment 146 7.5.1 AnalyticalModelEvaluationResults 146 7.5.2 FEASimulationResults 146 7.6 PrototypeDevelopmentandExperimentalStudies 149 7.6.1 PrototypeDevelopment 149 7.6.2 StaticsPerformanceTesting 150 (cid:2) (cid:2) 7.6.3 DynamicsPerformanceTesting 154 7.6.4 CircularContouringTesting 156 7.6.5 Discussion 156 7.7 Conclusion 159 References 159 PartIII LARGE-RANGEROTATIONALMICROPOSITIONINGSYSTEMS 8 RotationalStagewithLinearDrive 163 8.1 Introduction 163 8.2 DesignofMCRF 164 8.2.1 LimitationofConventionalRadialFlexures 164 8.2.2 ProposalofMCRF 165 8.2.3 AnalyticalModels 166 8.3 DesignofaRotaryStagewithMCRF 169 8.3.1 ConsiderationofActuationIssues 170 8.3.2 ConsiderationofSensingIssues 172 8.4 PerformanceEvaluationwithFEASimulation 172 8.4.1 AnalyticalModelResults 172 8.4.2 FEASimulationResults 173 8.4.3 StructureImprovement 175 (cid:2) (cid:2) Contents xi 8.5 PrototypeDevelopmentandExperimentalStudies 176 8.5.1 PrototypeDevelopment 176 8.5.2 Open-LoopPerformanceTesting 177 8.5.3 ControllerDesignandClosed-LoopPerformanceTesting 178 8.5.4 FurtherDiscussion 181 8.6 Conclusion 183 References 184 9 RotationalStagewithRotaryDrive 185 9.1 Introduction 185 9.2 NewDesignofMCRF 186 9.2.1 MCRFDesign 186 9.2.2 AnalyticalModelNotConsideringDeformation 187 9.2.3 AnalyticalModelConsideringDeformation 189 9.3 DesignoftheRotaryStage 192 9.3.1 ActuatorSelection 194 9.3.2 SensorDesign 194 9.4 PerformanceEvaluationwithFEASimulation 196 9.4.1 AnalyticalModelResults 197 9.4.2 FEASimulationResults 197 9.5 PrototypeFabricationandExperimentalTesting 201 9.5.1 PrototypeDevelopment 201 9.5.2 StaticsPerformanceTesting 202 (cid:2) (cid:2) 9.5.3 DynamicsPerformanceTesting 206 9.5.4 Discussion 206 9.6 Conclusion 207 References 208 PartIV APPLICATIONSTOCOMPLIANTGRIPPERDESIGN 10 Large-RangeRotaryGripper 213 10.1 Introduction 213 10.1.1 StructureDesignandDrivingMethod 213 10.1.2 SensingRequirements 214 10.2 MechanismDesignandAnalysis 216 10.2.1 ActuationIssues 216 10.2.2 PositionandForceSensingIssues 218 10.3 PerformanceEvaluationwithFEASimulation 222 10.3.1 AnalyticalModelResults 222 10.3.2 FEASimulationResults 222 10.4 PrototypeDevelopmentandCalibration 227 10.4.1 PrototypeDevelopment 227 10.4.2 CalibrationofPositionSensor 228 10.4.3 CalibrationofForceSensor 229 (cid:2) (cid:2) xii Contents 10.4.4 VerificationofForceSensor 230 10.4.5 ConsistencyTestingoftheSensors 231 10.5 PerformanceTestingResults 232 10.5.1 TestingofGrippingSensingPerformance 232 10.5.2 TestingofHorizontalInteractionDetection 235 10.5.3 TestingofVerticalInteractionDetection 236 10.5.4 TestingofDynamicsPerformance 237 10.5.5 ApplicationstoPick–Transport–PlaceinAssembly 238 10.5.6 FurtherDiscussion 239 10.6 Conclusion 242 References 242 11 MEMSRotaryGripper 244 11.1 Introduction 244 11.2 MEMSGripperDesign 245 11.2.1 ActuatorDesign 246 11.2.2 SensorDesign 249 11.3 PerformanceEvaluationwithFEASimulation 251 11.3.1 StaticsAnalysis 252 11.3.2 DynamicsAnalysis 254 11.4 GripperFabrication 254 11.5 ExperimentalResultsandDiscussion 255 11.5.1 GrippingRangeTestingResults 255 (cid:2) (cid:2) 11.5.2 GrippingForceTestingResults 258 11.5.3 InteractionForceTestingResults 260 11.5.4 DemonstrationofMicro-objectGripping 261 11.5.5 FurtherDiscussion 262 11.6 Conclusion 264 References 266 Index 267 (cid:2)