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Compliant Mechanisms: Design of Flexure Hinges 2nd edition [Kõva köide]

(University of Alaska Anchorage, USA)
  • Formaat: Hardback, 562 pages, kõrgus x laius: 229x152 mm, kaal: 870 g, 24 Tables, black and white; 217 Line drawings, black and white; 50 Halftones, black and white; 267 Illustrations, black and white
  • Ilmumisaeg: 19-Nov-2020
  • Kirjastus: CRC Press Inc
  • ISBN-10: 1439893691
  • ISBN-13: 9781439893692
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Compliant Mechanisms: Design of Flexure Hinges 2nd editionSuurem pilt
  • Formaat: Hardback, 562 pages, kõrgus x laius: 229x152 mm, kaal: 870 g, 24 Tables, black and white; 217 Line drawings, black and white; 50 Halftones, black and white; 267 Illustrations, black and white
  • Ilmumisaeg: 19-Nov-2020
  • Kirjastus: CRC Press Inc
  • ISBN-10: 1439893691
  • ISBN-13: 9781439893692
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Püsilink: https://www.kriso.ee/db/9781439893692.html
Märksõnad:
"The second edition of Compliant Mechanisms: Design of Flexure Hinges provides practical answers to the design and analysis of devices that incorporate flexible hinges"--

Flexure hinges hold several advantages over classical rotation joints, including no friction losses, no need for lubrication, no hysteresis, compactness, capacity to be utilized in small-scale applications, ease of fabrication, virtually no assembly, and no required maintenance. Compliant Mechanisms: Design of Flexure Hinges provides practical answers to the present and future needs of efficient design, analysis, and optimization of devices that incorporate flexure hinges. With a highly original approach the text:

  • Discusses new and classical types of flexure hinges (single-, two- and multiple-axis) for two- and three-dimensional applications
  • Addresses a wide range of industrial applications, including micro- and nano-scale mechanisms
  • Quantifies flexibility, precision of rotation, sensitivity to parasitic loading, energy consumption, and stress limitations through closed-form compliance equations
  • Offers a unitary presentation of individual flexure hinges as fully-compliant members by means of closed-form compliance (spring rates) equations
  • Fully defines the lumped-parameter compliance, inertia and damping properties of flexure hinges
  • Develops a finite element approach to compliant mechanisms by giving the elemental formulation of new flexure hinge line elements
  • Incorporates more advanced topics dedicated to flexure hinges including large deformations, buckling, torsion, composite flexures, shape optimization and thermal effects

    Compliant Mechanisms: Design of Flexure Hinges provides practical answers and directions to the needs of efficiently designing, analyzing, and optimizing devices that include flexure hinges. It contains ready-to-use plots and simple equations describing several flexure types for the professional that needs quick solutions to current applications. The book also provides self-contained, easy-to-apply mathematical tools that provide sufficient guidance for real-time problem solving of further applications.


    • With a rigorous and comprehensive coverage, the second edition of Compliant Mechanisms: Design of Flexure Hinges provides practical answers to the design and analysis of devices that incorporate flexible hinges. Complex-shaped flexible-hinge mechanisms are generated from basic elastic segments by means of a bottom-up compliance (flexibility) approach. The same compliance method and the classical finite element analysis are utilized to study the quasi-static and dynamic performances of these compliant mechanisms. The book offers easy-to-use mathematical tools to investigate a wealth of flexible hinge configurations and two- or three-dimensional compliant mechanism applications.

    FEATURES

    • Introduces a bottom-up compliance-based approach to characterize the flexibility of new and existing flexible hinges of straight- and curvilinear-axis configurations

    • Develops a consistent linear lumped-parameter compliance model to thoroughly describe the quasi-static and dynamic behavior of planar/spatial, serial/parallel flexible-hinge mechanisms

    • Utilizes the finite element method to analyze the quasi-statics and dynamics of compliant mechanisms by means of straight- and curvilinear-axis flexible hinge elements

    • Covers miscellaneous topics such as stress concentration, yielding and related maximum load, precision of rotation of straight- and circular-axis flexible hinges, temperature effects on compliances, layered flexible hinges, and piezoelectric actuation/sensing

    • Offers multiple solved examples of flexible hinges and flexible-hinge mechanisms

    The book should serve as a reference to students, researchers, academics and to anyone interested to investigate precision flexible-hinge mechanisms by linear model-based methods in various areas of mechanical, aerospace or biomedical engineering, as well as in robotics and micro/nano systems.

    Preface to the Second Edition xiii
    Author xv
    Chapter 1 Introduction
    		1(8)
    References
    		8(1)
    Chapter 2 Compliances of Basic Flexible-Hinge Segments
    		9(64)
    2.1 Straight-Axis Flexible-Hinge Segments
    		9(37)
    2.1.1 Generic Compliances
    		10(4)
    2.1.1.1 In-Plane Load, Displacement Vectors and Compliance Matrix
    		14(1)
    2.1.1.2 Out-of-Plane Load, Displacement Vectors and Compliance Matrix
    		15(3)
    2.1.2 Geometric Configurations
    		18(1)
    2.1.2.1 Straight-Line Profile Segments
    		18(7)
    2.1.2.2 Curvilinear-Profile Segments
    		25(21)
    2.2 Curvilinear-Axis Flexible-Hinge Segments
    		46(15)
    2.2.1 Generic Compliances
    		46(2)
    2.2.1.1 In-Plane Compliances
    		48(2)
    2.2.1.2 Out-of-Plane Compliances
    		50(3)
    2.2.2 Geometric Configurations
    		53(1)
    2.2.2.1 Circular-Axis Hinge Segment
    		53(3)
    2.2.2.2 Elliptical-Axis Hinge Segment
    		56(2)
    2.2.2.3 Parabolic-Axis Hinge Segment
    		58(1)
    2.2.2.4 Corner-Filleted Hinge Segments
    		59(2)
    Appendix A2 Closed-Form Compliances
    		61(10)
    A2.1 Straight-Axis Segments
    		61(1)
    A2.1.1 Rectangular Cross-Section of Constant Out-of-Plane Width w and Minimum In-Plane Thickness t
    		61(4)
    A2.1.2 Circular Cross-Section
    		65(3)
    A2.2 Curvilinear-Axis Segments of Constant Cross-Section
    		68(1)
    A2.2.1 Circular-Axis Segment
    		68(1)
    A2.2.2 Parabolic-Axis Segment
    		69(2)
    References
    		71(2)
    Chapter 3 Compliances of Straight-Axis Flexible Hinges
    		73(68)
    3.1 Compliance Matrix Transformations
    		73(9)
    3.1.1 Compliance Matrix Translation
    		73(1)
    3.1.1.1 Series Connection
    		74(3)
    3.1.1.2 Parallel Connection
    		77(1)
    3.1.2 Compliance Matrix Rotation
    		78(1)
    3.1.2.1 In-Plane Rotation
    		79(1)
    3.1.2.2 Out-of-Plane Rotation
    		80(2)
    3.2 Series-Connection Flexible Hinges
    		82(45)
    3.2.1 Flexible Hinges without Transverse Symmetry
    		83(1)
    3.2.1.1 Compliance Matrices through Addition and Rotation
    		83(6)
    3.2.1.2 Geometric Configurations
    		89(2)
    3.2.2 Transversely Symmetric Flexible Hinges
    		91(1)
    3.2.2.1 Generic Compliance Matrices
    		91(7)
    3.2.2.2 Hinge Configurations: Finite Element Confirmation of Analytical Compliances
    		98(11)
    3.2.2.3 Hinge Configurations: Internal Comparison
    		109(8)
    3.2.2.4 Two-Axis Flexible Hinges
    		117(6)
    3.2.3 Folded, Spatially Periodic Flexible Hinges
    		123(4)
    3.3 Parallel-Connection Flexible Hinges
    		127(8)
    3.3.1 Two-Member Flexible Hinge with Symmetry Axis
    		129(1)
    3.3.1.1 In-Plane Compliance Matrix
    		129(1)
    3.3.1.2 Out-of-Plane Compliance Matrix
    		130(2)
    3.3.2 Two-Member Flexible Hinge with Identical and Geometrically Parallel Segments
    		132(1)
    3.3.3 The Crossed-Leaf Spring
    		133(2)
    Appendix A3 Independent Closed-Form Compliances
    		135(3)
    A3.1 Flexible Hinges of Rectangular Cross-Section with Constant Out-of-Plane Width w and Minimum In-Plane Thickness t
    		135(1)
    A3.1.1 Right Circular Hinge
    		135(1)
    A3.1.2 Right Elliptical Hinge
    		136(1)
    A3.2 Flexible Hinges of Circular Cross-Section
    		137(1)
    A3.2.1 Right Circular Hinge
    		137(1)
    A3.2.2 Right Elliptical Hinge
    		137(1)
    References
    		138(3)
    Chapter 4 Compliances of Curvilinear-Axis Flexible Hinges
    		141(48)
    4.1 Compliance Matrix Transformations
    		141(4)
    4.1.1 In-Plane Compliances
    		142(1)
    4.1.2 Out-of-Plane Compliances
    		143(2)
    4.2 Series-Connection Flexible Hinges
    		145(34)
    4.2.1 Compliance Matrices of Flexible Hinges without Symmetry
    		145(1)
    4.2.1.1 In-Plane Compliance Matrix
    		146(1)
    4.2.1.2 Out-of-Plane Compliance Matrix
    		146(2)
    4.2.2 Compliance Matrices of Flexible Hinges with Symmetry Axis
    		148(1)
    4.2.2.1 Generic Hinge and Compliance Matrices
    		149(4)
    4.2.2.2 Flexible-Hinge Configurations
    		153(8)
    4.2.3 Compliance Matrices of Flexible Hinges with Antisymmetry Axis
    		161(1)
    4.2.3.1 Generic Hinge and Compliance Matrices
    		161(2)
    4.2.3.2 Flexible-Hinge Configuration
    		163(4)
    4.2.4 Folded Flexible Hinges
    		167(1)
    4.2.4.1 Straight-Line (Rectangular) Envelope
    		168(4)
    4.2.4.2 Curvilinear-Line Envelope
    		172(2)
    4.2.4.3 Radial Folded Hinge with Rigid Connectors
    		174(5)
    4.3 Parallel-Connection Flexible Hinges
    		179(7)
    4.3.1 In-Plane Compliance Matrix
    		181(1)
    4.3.2 Out-of-Plane Compliance Matrix
    		182(4)
    References
    		186(3)
    Chapter 5 Quasi-Static Response of Serial Flexible-Hinge Mechanisms
    		189(68)
    5.1 Planar (2D) Mechanisms
    		190(58)
    5.1.1 Serial Chain with One Flexible Hinge and One Rigid Link
    		190(1)
    5.1.1.1 Rigid-Link Load and Displacement Transformation
    		190(4)
    5.1.1.2 Fixed-Free Chain
    		194(3)
    5.1.1.3 Overconstrained Chains
    		197(5)
    5.1.2 Multiple-Link, Flexible-Hinge Serial Chains
    		202(2)
    5.1.2.1 Fixed-Free Chains
    		204(22)
    5.1.2.2 Overconstrained Chains
    		226(8)
    5.1.3 Displacement-Amplification Mechanisms Reducible to Serial Flexible Chains
    		234(1)
    5.1.3.1 Mechanisms with Two Symmetry Axes
    		235(8)
    5.1.3.2 Mechanisms with One Symmetry Axis
    		243(5)
    5.2 Spatial (3D) Mechanisms
    		248(7)
    5.2.1 Rigid-Link Load and Displacement Transformation
    		248(1)
    5.2.1.1 Translation
    		249(1)
    5.2.1.2 Rotation
    		250(2)
    5.2.2 Fixed-Free Serial Chain
    		252(3)
    References
    		255(2)
    Chapter 6 Quasi-Static Response of Parallel Flexible-Hinge Mechanisms
    		257(62)
    6.1 Planar (2D) Mechanisms
    		257(54)
    6.1.1 Load on Rigid Link Common to All Flexible Chains
    		258(1)
    6.1.1.1 Suspension Mechanism with Two Identical, Symmetrical and Collinear, Straight-Axis Flexible Chains
    		259(3)
    6.1.1.2 Folded Chains with Curvilinear-Axis Hinges
    		262(2)
    6.1.1.3 Mechanisms with Identical, Symmetrical and Non-Collinear Flexible Chains
    		264(21)
    6.1.2 Load on Rigid Link Common to All Flexible Chains and Loads on Flexible Chains
    		285(1)
    6.1.2.1 Generic Compliance-Matrix Model
    		285(3)
    6.1.2.2 Displacement-Amplification Mechanisms
    		288(11)
    6.1.2.3 Mechanisms with Radial Symmetry - xyQ Stages
    		299(5)
    6.1.3 Branched Flexible Planar Mechanisms and Substructuring
    		304(7)
    6.2 Spatial (3D) Mechanisms
    		311(3)
    References
    		314(5)
    Chapter 7 Dynamics of Flexible-Hinge Mechanisms
    		319(78)
    7.1 Dynamic Modeling
    		319(5)
    7.1.1 Degrees of Freedom (DOF)
    		320(1)
    7.1.2 Time-Domain Free Undamped Response
    		321(1)
    7.1.3 Time-Domain Free Damped Response
    		322(1)
    7.1.4 Time-Domain Forced Response
    		323(1)
    7.1.5 Steady-State and Frequency-Domain Responses for Harmonic Forcing
    		324(1)
    7.2 Inertia (Mass) Matrix
    		324(27)
    7.2.1 Heavy Rigid Links and Massless Flexible Hinges
    		324(1)
    7.2.2 Heavy Rigid Links and Heavy Flexible Hinges
    		325(1)
    7.2.2.1 Fixed-Free Flexible Hinges
    		325(11)
    7.2.2.2 Free-Free Flexible Hinges
    		336(15)
    7.3 Damping Matrix
    		351(2)
    7.3.1 Viscous Damping from Rigid Links
    		352(1)
    7.3.2 Proportional Viscous Damping from Rigid Links and Flexible Hinges
    		352(1)
    7.4 Serial Mechanisms
    		353(24)
    7.4.1 Planar (2D) Mechanisms
    		353(1)
    7.4.1.1 Fixed-Free Chain with One Flexible Hinge and One Rigid Link
    		353(5)
    7.4.1.2 Fixed-Free Chain with Multiple Flexible Hinges and Rigid Links
    		358(8)
    7.4.1.3 Overconstrained Chain with Multiple Flexible Hinges and Rigid Links
    		366(7)
    7.4.2 Spatial (3D) Mechanisms
    		373(4)
    7.5 Parallel Mechanisms
    		377(17)
    7.5.1 Planar (2D) Mechanisms
    		377(1)
    7.5.1.1 Straight-Axis Chain with Two Identical Flexible Hinges and One Rigid Link
    		377(3)
    7.5.1.2 Mechanisms with Multiple Single-Hinge Chains
    		380(3)
    7.5.1.3 Mechanisms with Multiple Chains Formed of Serially Connected Rigid Links and Flexible Hinges
    		383(8)
    7.5.2 Spatial (3D) Mechanisms
    		391(3)
    References
    		394(3)
    Chapter 8 Finite Element Analysis of Flexible-Hinge Mechanisms
    		397(74)
    8.1 Straight-Axis Line Elements
    		397(25)
    8.1.1 Two-Node Element
    		397(1)
    8.1.1.1 Axial Loading
    		398(3)
    8.1.1.2 Torsional Loading
    		401(1)
    8.1.1.3 Bending
    		402(8)
    8.1.1.4 In-Plane and Out-of-Plane Element Matrices
    		410(3)
    8.1.1.5 Inertia Matrices of Rigid Elements
    		413(3)
    8.1.2 Three-Node Element
    		416(1)
    8.1.2.1 Axial Effects and Torsion
    		416(2)
    8.1.2.2 Bending
    		418(4)
    8.2 Circular-Axis Line Elements
    		422(16)
    8.2.1 Long Elements and the Euler-Bernoulli Model
    		422(1)
    8.2.1.1 In-Plane Matrices
    		422(7)
    8.2.1.2 Out-of-Plane Matrices
    		429(3)
    8.2.2 Short Elements and the Timoshenko Model
    		432(1)
    8.2.2.1 In-Plane Matrices
    		432(2)
    8.2.2.2 Out-of-Plane Matrices
    		434(4)
    8.3 Flexible-Hinge Mechanisms
    		438(28)
    8.3.1 Global-Frame Element Stiffness and Inertia Matrices
    		438(1)
    8.3.1.1 Straight-Axis Flexible Hinges
    		438(2)
    8.3.1.2 Circular-Axis Flexible Hinges
    		440(2)
    8.3.2 The Assembling Process
    		442(4)
    8.3.3 Quasi-Static Response
    		446(13)
    8.3.4 Natural Response and Frequencies
    		459(3)
    8.3.5 Time-Domain Response
    		462(4)
    References
    		466(5)
    Chapter 9 Miscellaneous Topics
    		471(70)
    9.1 Stress Concentration in Flexible Hinges and Flexible-Hinge Mechanisms
    		471(19)
    9.1.1 Stress Concentrators
    		471(2)
    9.1.2 In-Plane Stress Concentration
    		473(10)
    9.1.3 Out-of-Plane Stress Concentration
    		483(7)
    9.2 Rotation Precision of Flexible Hinges
    		490(5)
    9.2.1 Straight-Axis Flexible Hinges
    		490(2)
    9.2.2 Circular-Axis Flexible Hinges
    		492(3)
    9.3 Flexible-Hinge Compliance Thermal Sensitivity
    		495(11)
    9.3.1 Straight-Axis Flexible Hinges
    		495(1)
    9.3.1.1 Rectangular Cross-Section
    		495(5)
    9.3.1.2 Circular Cross-Section
    		500(1)
    9.3.2 Circular-Axis Flexible Hinges
    		500(1)
    9.3.2.1 Rectangular Cross-Section
    		501(5)
    9.3.2.2 Circular Cross-Section
    		506(1)
    9.4 Straight-Axis Layered Flexible Hinges
    		506(12)
    9.4.1 Constant-Width Flexible Hinges with Transverse Geometry and Material Symmetry
    		507(5)
    9.4.2 Constant-Thickness Flexible Hinges
    		512(6)
    9.5 Piezoelectric Actuation and Sensing in Flexible-Hinge Mechanisms
    		518(19)
    9.5.1 Active Layered (Piezoelectric) Flexible Hinges
    		519(1)
    9.5.1.1 Actuation
    		519(5)
    9.5.1.2 Sensing
    		524(3)
    9.5.2 Block (Piezoelectric) Actuation and Sensing
    		527(1)
    9.5.2.1 Actuation
    		527(7)
    9.5.2.2 Sensing
    		534(3)
    References
    		537(4)
    Index 541
    Nicolae Lobontiu is Professor of Mechanical Engineering at the University of Alaska Anchorage, USA. Dr. Lobontius research interests for the last two decades have focused on flexure/flexible hinges and macro/micro-scale hinge-based compliant mechanisms. He has published several journal papers on these research topics and is the author of four other books: System Dynamics for Engineering Students second edition, Dynamics of Microelectromechanical Systems, Mechanical Design of Microresonators, and Mechanics of Microelectromechanical Systems (with E. Garcia). Professor Lobontius teaching background includes courses in dynamics of systems, controls, mechanical vibrations, finite element analysis, dynamics, and mechanics of materials.