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Proceedings Papers

Design of a Graphene Nanoribbon Electrostatic Discharge Compliant Mechanism

Talmage H. Jones, Jimmy Ng, Ya-Hong Xie, Jonathan B. Hopkins

Proc. ASME. IDETC-CIE2018, Volume 5A: 42nd Mechanisms and Robotics Conference, V05AT07A016, August 26–29, 2018

Paper No: DETC2018-86069

DOI: https://doi.org/10.1115/DETC2018-86069

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Topics: Compliant mechanisms, Design, Graphene, Stress, Boundary-value problems, Capacitance, Chemical vapor deposition, Elastic constants, Engineering simulation, Failure

Proceedings Papers

Geometry Optimization of Flexure System Topologies Using the Boundary Learning Optimization Tool (BLOT)

Ali Hatamizadeh, Yuanping Song, Jonathan B. Hopkins

Proc. ASME. IDETC-CIE2017, Volume 5A: 41st Mechanisms and Robotics Conference, V05AT08A009, August 6–9, 2017

Paper No: DETC2017-67465

DOI: https://doi.org/10.1115/DETC2017-67465

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Topics: Bending (Stress), Geometry, Optimization, Topology, Design, Algorithms, Artificial neural networks, Trains

Journal Articles

Mobility and Constraint Analysis of Interconnected Hybrid Flexure Systems Via Screw Algebra and Graph Theory

Frederick Sun, Jonathan B. Hopkins

J. Mechanisms Robotics. June 2017, 9(3): 031018.

Paper No: JMR-16-1363

DOI: https://doi.org/10.1115/1.4035993

Published Online: March 27, 2017

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Topics: Bending (Stress), Mechanical admittance, Screws, Space, Topology, Algebra

Proceedings Papers

Mobility Analysis of Interconnected Hybrid Flexure Systems Using Screw Algebra and Graph Theory

Frederick Sun, Jonathan B. Hopkins

Proc. ASME. IDETC-CIE2016, Volume 5A: 40th Mechanisms and Robotics Conference, V05AT07A006, August 21–24, 2016

Paper No: DETC2016-59206

DOI: https://doi.org/10.1115/DETC2016-59206

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Topics: Algebra, Bending (Stress), Mechanical admittance, Screws, Space, Compliant mechanisms, Finite element analysis, Shapes

Journal Articles

Design of Nonperiodic Microarchitectured Materials That Achieve Graded Thermal Expansions

Jonathan B. Hopkins, Lucas A. Shaw, Todd H. Weisgraber, George R. Farquar, Chris D. Harvey, Christopher M. Spadaccini

J. Mechanisms Robotics. October 2016, 8(5): 051010.

Paper No: JMR-15-1265

DOI: https://doi.org/10.1115/1.4032248

Published Online: May 4, 2016

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Topics: Design, Thermal expansion, Young's modulus, Temperature, Topology, Stiffness, Finite element analysis

Journal Articles

Polytope Sector-Based Synthesis and Analysis of Microstructural Architectures With Tunable Thermal Conductivity and Expansion

Jonathan B. Hopkins, Yuanping Song, Howon Lee, Nicholas X. Fang, Christopher M. Spadaccini

J. Mech. Des. May 2016, 138(5): 051401.

Paper No: MD-15-1227

DOI: https://doi.org/10.1115/1.4032809

Published Online: March 11, 2016

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Topics: Architecture, Temperature, Thermal conductivity, Thermal expansion, Design, Finite element analysis, Topology

Proceedings Papers

A Shape-Controlled Compliant Microarchitectured Material

Lucas A. Shaw, Jonathan B. Hopkins

Proc. ASME. IDETC-CIE2015, Volume 5A: 39th Mechanisms and Robotics Conference, V05AT08A010, August 2–5, 2015

Paper No: DETC2015-46643

DOI: https://doi.org/10.1115/DETC2015-46643

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Topics: Shapes, Aircraft, Deformation, Design, Fuel efficiency, Materials properties, Modeling, Optics, Texture (Materials), Wings

Proceedings Papers

Organizing Cells Within Non-Periodic Microarchitectured Materials That Achieve Graded Thermal Expansions

Jonathan B. Hopkins, Lucas A. Shaw, Todd H. Weisgraber, George R. Farquar, Christopher D. Harvey, Christopher M. Spadaccini

Proc. ASME. IDETC-CIE2015, Volume 2B: 41st Design Automation Conference, V02BT03A005, August 2–5, 2015

Paper No: DETC2015-46638

DOI: https://doi.org/10.1115/DETC2015-46638

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Topics: Design, Finite element analysis, Geometry, Matlab, Stiffness, Temperature, Thermal expansion, Young's modulus

Proceedings Papers

Polytope Sector-Based Synthesis and Analysis of Microarchitectured Materials With Tunable Thermal Conductivity and Expansion

Jonathan B. Hopkins, Howon Lee, Nicholas X. Fang, Christopher M. Spadaccini

Proc. ASME. IDETC-CIE2015, Volume 2B: 41st Design Automation Conference, V02BT03A006, August 2–5, 2015

Paper No: DETC2015-46645

DOI: https://doi.org/10.1115/DETC2015-46645

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Topics: Thermal conductivity, Architecture, Thermal expansion, Analytical methods, Design

Journal Articles

An Actively Controlled Shape-Morphing Compliant Microarchitectured Material

Lucas A. Shaw, Jonathan B. Hopkins

J. Mechanisms Robotics. April 2016, 8(2): 021019.

Paper No: JMR-15-1098

DOI: https://doi.org/10.1115/1.4031168

Published Online: November 24, 2015

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Topics: Actuators, Design, Shapes, Stress

Journal Articles

A Visualization Approach for Analyzing and Synthesizing Serial Flexure Elements

Jonathan B. Hopkins

J. Mechanisms Robotics. August 2015, 7(3): 031011.

Paper No: JMR-14-1005

DOI: https://doi.org/10.1115/1.4028727

Published Online: August 1, 2015

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Topics: Bending (Stress), Space

Journal Articles

Eliminating Underconstraint in Double Parallelogram Flexure Mechanisms

Robert M. Panas, Jonathan B. Hopkins

J. Mech. Des. September 2015, 137(9): 092301.

Paper No: MD-14-1409

DOI: https://doi.org/10.1115/1.4030773

Published Online: July 17, 2015

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Topics: Bearings, Bending (Stress), Compliant mechanisms, Degrees of freedom, Design, Dynamics (Mechanics), Errors, Finite element analysis, Flexure mechanisms, Kinematics

Journal Articles

Synthesis and Analysis of Soft Parallel Robots Comprised of Active Constraints

Jonathan B. Hopkins, Jordan Rivera, Charles Kim, Girish Krishnan

J. Mechanisms Robotics. February 2015, 7(1): 011002.

Paper No: JMR-14-1255

DOI: https://doi.org/10.1115/1.4029324

Published Online: February 1, 2015

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Topics: Robots, Stiffness, Stress, Wire, Actuators, Finite element analysis, Kinematics, Pressure, Rotation

Proceedings Papers

Optimal Actuation of Dynamically Driven Serial and Hybrid Flexure Systems

Jonathan B. Hopkins, Yuanping Song, Shaoyu Wang, Amir H. Behbahani, Ilya Josefson

Proc. ASME. IDETC-CIE2014, Volume 5A: 38th Mechanisms and Robotics Conference, V05AT08A043, August 17–20, 2014

Paper No: DETC2014-35181

DOI: https://doi.org/10.1115/DETC2014-35181

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Topics: Bending (Stress), Actuators, Errors, Degrees of freedom, Mathematics, Space

Proceedings Papers

Synthesizing Soft Parallel Robots Comprised of Active Constraints

Jordan Rivera, Jonathan B. Hopkins, Charles Kim

Proc. ASME. IDETC-CIE2014, Volume 5A: 38th Mechanisms and Robotics Conference, V05AT08A034, August 17–20, 2014

Paper No: DETC2014-34551

DOI: https://doi.org/10.1115/DETC2014-34551

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Topics: Robots, Actuators, Degrees of freedom, Design, Kinematics, Manufacturing, Space, Stress

Proceedings Papers

Analyzing and Designing Serial Flexure Elements

Jonathan B. Hopkins

Proc. ASME. IDETC-CIE2013, Volume 6A: 37th Mechanisms and Robotics Conference, V06AT07A026, August 4–7, 2013

Paper No: DETC2013-12473

DOI: https://doi.org/10.1115/DETC2013-12473

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Topics: Bending (Stress), Design

Proceedings Papers

Synthesizing the Compliant Microstructure of Thermally Actuated Materials Using Freedom, Actuation, and Constraint Topologies

Jonathan B. Hopkins, Kyle J. Lange, Christopher M. Spadaccini

Proc. ASME. IDETC-CIE2012, Volume 4: 36th Mechanisms and Robotics Conference, Parts A and B, 249-258, August 12–15, 2012

Paper No: DETC2012-70479

DOI: https://doi.org/10.1115/DETC2012-70479

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Topics: Actuators, Architecture, Bulk solids, Design, Screws, Shapes, Thermal expansion, Thermal properties

Journal Articles

Synthesizing Parallel Flexures That Mimic the Kinematics of Serial Flexures Using Freedom and Constraint Topologies

Jonathan B. Hopkins

J. Mechanisms Robotics. November 2013, 5(4): 041004.

Paper No: JMR-13-1017

DOI: https://doi.org/10.1115/1.4024474

Published Online: July 16, 2013

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Topics: Bending (Stress), Kinematics, Space, Screws, Rotation, Design, Shapes

Journal Articles

Designing Microstructural Architectures With Thermally Actuated Properties Using Freedom, Actuation, and Constraint Topologies

Jonathan B. Hopkins, Kyle J. Lange, Christopher M. Spadaccini

J. Mech. Des. June 2013, 135(6): 061004.

Paper No: MD-12-1196

DOI: https://doi.org/10.1115/1.4024122

Published Online: May 9, 2013

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Topics: Architecture, Bending (Stress), Design, Shapes, Temperature, Thermal expansion, Thermal properties

Proceedings Papers

Synthesizing Parallel Flexure Concepts That Mimic the Complex Kinematics of Serial Flexures Using Displaced Screw Systems

Jonathan B. Hopkins

Proc. ASME. IDETC-CIE2011, Volume 6: 35th Mechanisms and Robotics Conference, Parts A and B, 33-41, August 28–31, 2011

Paper No: DETC2011-47335

DOI: https://doi.org/10.1115/DETC2011-47335

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Topics: Bending (Stress), Kinematics, Screws

Journal citation

NARROW

Design of a Graphene Nanoribbon Electrostatic Discharge Compliant Mechanism

Geometry Optimization of Flexure System Topologies Using the Boundary Learning Optimization Tool (BLOT)

Mobility and Constraint Analysis of Interconnected Hybrid Flexure Systems Via Screw Algebra and Graph Theory

Mobility Analysis of Interconnected Hybrid Flexure Systems Using Screw Algebra and Graph Theory

Design of Nonperiodic Microarchitectured Materials That Achieve Graded Thermal Expansions

Polytope Sector-Based Synthesis and Analysis of Microstructural Architectures With Tunable Thermal Conductivity and Expansion

A Shape-Controlled Compliant Microarchitectured Material

Organizing Cells Within Non-Periodic Microarchitectured Materials That Achieve Graded Thermal Expansions

Polytope Sector-Based Synthesis and Analysis of Microarchitectured Materials With Tunable Thermal Conductivity and Expansion

An Actively Controlled Shape-Morphing Compliant Microarchitectured Material

A Visualization Approach for Analyzing and Synthesizing Serial Flexure Elements

Eliminating Underconstraint in Double Parallelogram Flexure Mechanisms

Synthesis and Analysis of Soft Parallel Robots Comprised of Active Constraints

Optimal Actuation of Dynamically Driven Serial and Hybrid Flexure Systems

Synthesizing Soft Parallel Robots Comprised of Active Constraints

Analyzing and Designing Serial Flexure Elements

Synthesizing the Compliant Microstructure of Thermally Actuated Materials Using Freedom, Actuation, and Constraint Topologies

Synthesizing Parallel Flexures That Mimic the Kinematics of Serial Flexures Using Freedom and Constraint Topologies

Designing Microstructural Architectures With Thermally Actuated Properties Using Freedom, Actuation, and Constraint Topologies

Synthesizing Parallel Flexure Concepts That Mimic the Complex Kinematics of Serial Flexures Using Displaced Screw Systems

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