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Journal Articles

Rigidly Foldable Thick Origami Using Designed-Offset Linkages

Robert J. Lang, Nathan Brown, Brian Ignaut, Spencer Magleby, Larry Howell
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. April 2020, 12(2): 021106.
Paper No: JMR-19-1420
https://doi.org/10.1115/1.4045940
Published Online: February 3, 2020
View Article titled, Rigidly Foldable Thick Origami Using Designed-Offset Linkages
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Topics: Kinematics, Linkages, Displacement, Hinges, Manufacturing
Proceedings Papers

Rigidly Foldable Thick Origami Using Designed-Offset Linkages

Robert J. Lang, Nathan Brown, Brian Ignaut, Spencer Magleby, Larry Howell
Proc. ASME. IDETC-CIE2019, Volume 5B: 43rd Mechanisms and Robotics Conference, V05BT07A035, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97621
https://doi.org/10.1115/DETC2019-97621
View Paper titled, Rigidly Foldable Thick Origami Using Designed-Offset Linkages
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Topics: Linkages, Hinges, Kinematics
Journal Articles

Normalized Coordinate Equations and an Energy Method for Predicting Natural Curved-Fold Configurations

Jacob C. Badger, Todd G. Nelson, Robert J. Lang, Denise M. Halverson, Larry L. Howell
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. July 2019, 86(7): 071006.
Paper No: JAM-19-1029
https://doi.org/10.1115/1.4043285
Published Online: April 12, 2019
View Article titled, Normalized Coordinate Equations and an Energy Method for Predicting Natural Curved-Fold Configurations
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Topics: Optimization, Torsion, Parametrization, Surface properties, Stiffness, Regression analysis
Journal Articles

A Model for Multi-Input Mechanical Advantage in Origami-Based Mechanisms

Jared Butler, Landen Bowen, Eric Wilcox, Adam Shrager, Mary I. Frecker, Paris von Lockette, Timothy W. Simpson, Robert J. Lang, Larry L. Howell, Spencer P. Magleby
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. December 2018, 10(6): 061007.
Paper No: JMR-18-1064
https://doi.org/10.1115/1.4041199
Published Online: September 17, 2018
View Article titled, A Model for Multi-Input Mechanical Advantage in Origami-Based Mechanisms
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Topics: Compliant mechanisms, Deflection, Design, Hinges, Magnetic fields, Magnets, Stiffness, Rigid-body mechanisms, Testing, Actuators
Journal Articles

A Review of Thickness-Accommodation Techniques in Origami-Inspired Engineering

Robert J. Lang, Kyler A. Tolman, Erica B. Crampton, Spencer P. Magleby, Larry L. Howell
Journal: Applied Mechanics Reviews
Publisher: ASME
Article Type: Review Articles
Appl. Mech. Rev. January 2018, 70(1): 010805.
Paper No: AMR-16-1078
https://doi.org/10.1115/1.4039314
Published Online: February 28, 2018
View Article titled, A Review of Thickness-Accommodation Techniques in Origami-Inspired Engineering
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Topics: Hinges, Design
Journal Articles

Closure to “Discussion of ‘A Review of Thickness-Accommodation Techniques in Origami-Inspired Engineering’” (Lang, R. J., Tolman, K. A., Crampton, E. B., Magleby, S. P., and Howell, L. L., 2018, ASME Appl. Mech. Rev., 70 (1), p. 010805)

Robert J. Lang, Kyler A. Tolman, Erica B. Crampton, Spencer P. Magleby, Larry L. Howell
Journal: Applied Mechanics Reviews
Publisher: ASME
Article Type: Closures
Appl. Mech. Rev. January 2018, 70(1): 016003.
Paper No: AMR-17-1085
https://doi.org/10.1115/1.4039147
Published Online: February 14, 2018
View Article titled, Closure to “Discussion of ‘A Review of Thickness-Accommodation Techniques in Origami-Inspired Engineering’” (Lang, R. J., Tolman, K. A., Crampton, E. B., Magleby, S. P., and Howell, L. L., 2018, ASME Appl. Mech. Rev., 70 (1), p. 010805)
Open the PDF for Closure to “Discussion of ‘A Review of Thickness-Accommodation Techniques in Origami-Inspired Engineering’” (Lang, R. J., Tolman, K. A., Crampton, E. B., Magleby, S. P., and Howell, L. L., 2018, ASME Appl. Mech. Rev., 70 (1), p. 010805) in another window
Topics: Design, Origami-inspired design
Journal Articles

Rigidly Foldable Quadrilateral Meshes From Angle Arrays

Robert J. Lang, Larry Howell
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. April 2018, 10(2): 021004.
Paper No: JMR-17-1300
https://doi.org/10.1115/1.4038972
Published Online: February 1, 2018
View Article titled, Rigidly Foldable Quadrilateral Meshes From Angle Arrays
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Topics: Design, Kinematics, Manufacturing, Degrees of freedom, Optimization, Linear programming, Construction
Proceedings Papers

Rigidly Foldable Quadrilateral Meshes From Angle Arrays

Robert J. Lang, Larry Howell
Proc. ASME. IDETC-CIE2017, Volume 5A: 41st Mechanisms and Robotics Conference, V05AT08A001, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67440
https://doi.org/10.1115/DETC2017-67440
View Paper titled, Rigidly Foldable Quadrilateral Meshes From Angle Arrays
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Topics: Degrees of freedom, Design, Engineering design processes, Linear programming
Proceedings Papers

Split-Vertex Technique for Thickness-Accommodation in Origami-Based Mechanisms

Kyler A. Tolman, Robert J. Lang, Spencer P. Magleby, Larry L. Howell
Proc. ASME. IDETC-CIE2017, Volume 5B: 41st Mechanisms and Robotics Conference, V05BT08A054, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68018
https://doi.org/10.1115/DETC2017-68018
View Paper titled, Split-Vertex Technique for Thickness-Accommodation in Origami-Based Mechanisms
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Topics: Degrees of freedom
Proceedings Papers

Kinematics and Discretization of Curved-Fold Mechanisms

Robert J. Lang, Todd Nelson, Spencer Magleby, Larry Howell
Proc. ASME. IDETC-CIE2017, Volume 5B: 41st Mechanisms and Robotics Conference, V05BT08A042, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67439
https://doi.org/10.1115/DETC2017-67439
View Paper titled, Kinematics and Discretization of Curved-Fold Mechanisms
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Topics: Algorithms, Kinematics
Journal Articles

Thick Rigidly Foldable Origami Mechanisms Based on Synchronized Offset Rolling Contact Elements

Robert J. Lang, Todd Nelson, Spencer Magleby, Larry Howell
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. April 2017, 9(2): 021013.
Paper No: JMR-16-1300
https://doi.org/10.1115/1.4035686
Published Online: March 9, 2017
View Article titled, Thick Rigidly Foldable Origami Mechanisms Based on Synchronized Offset Rolling Contact Elements
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Topics: Design, Hinges, Kinematics, Rolling contact, Rotation
Proceedings Papers

Thick Rigidly Foldable Origami Mechanisms Based on Synchronized Offset Rolling Contact Elements

Robert J. Lang, Todd Nelson, Spencer Magleby, Larry Howell
Proc. ASME. IDETC-CIE2016, Volume 5B: 40th Mechanisms and Robotics Conference, V05BT07A016, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-59747
https://doi.org/10.1115/DETC2016-59747
View Paper titled, Thick Rigidly Foldable Origami Mechanisms Based on Synchronized Offset Rolling Contact Elements
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Topics: Rolling contact, Design, Kinematics
Journal Articles

Special Issue: Folding-Based Mechanisms and Robotics

Larry L. Howell, Robert J. Lang, Mary Frecker, Robert J. Wood
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Guest Editorial
J. Mechanisms Robotics. June 2016, 8(3): 030301.
Paper No: JMR-16-1010
https://doi.org/10.1115/1.4032776
Published Online: March 7, 2016
View Article titled, Special Issue: Folding-Based Mechanisms and Robotics
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Topics: Robotics
Journal Articles

Single Degree-of-Freedom Rigidly Foldable Cut Origami Flashers

Robert J. Lang, Spencer Magleby, Larry Howell
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. June 2016, 8(3): 031005.
Paper No: JMR-15-1166
https://doi.org/10.1115/1.4032102
Published Online: March 7, 2016
View Article titled, Single Degree-of-Freedom Rigidly Foldable Cut Origami Flashers
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Topics: Collisions (Physics), Degrees of freedom, Design, Hinges, Manufacturing, Cutting
Journal Articles

Facilitating Deployable Mechanisms and Structures Via Developable Lamina Emergent Arrays

Todd G. Nelson, Robert J. Lang, Nathan A. Pehrson, Spencer P. Magleby, Larry L. Howell
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. June 2016, 8(3): 031006.
Paper No: JMR-15-1169
https://doi.org/10.1115/1.4031901
Published Online: March 7, 2016
View Article titled, Facilitating Deployable Mechanisms and Structures Via Developable Lamina Emergent Arrays
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Topics: Displacement, Geometry, Stiffness, Stress, Tension, Torsion, Additive manufacturing, Compression, Hinges, Design
Proceedings Papers

Single-Degree-of-Freedom Rigidly Foldable Origami Flashers

Robert J. Lang, Spencer Magleby, Larry Howell
Proc. ASME. IDETC-CIE2015, Volume 5B: 39th Mechanisms and Robotics Conference, V05BT08A043, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46961
https://doi.org/10.1115/DETC2015-46961
View Paper titled, Single-Degree-of-Freedom Rigidly Foldable Origami Flashers
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Topics: Degrees of freedom, Design, Hinges
Proceedings Papers

Large-Curvature Deployable Developable Structures via Lamina Emergent Arrays

Todd G. Nelson, Robert J. Lang, Spencer P. Magleby, Larry L. Howell
Proc. ASME. IDETC-CIE2015, Volume 5B: 39th Mechanisms and Robotics Conference, V05BT08A035, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46636
https://doi.org/10.1115/DETC2015-46636
View Paper titled, Large-Curvature Deployable Developable Structures via Lamina Emergent Arrays
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Topics: Finite element analysis, Geometry, Stiffness, Stress, Stress analysis (Engineering)
Proceedings Papers

A Preliminary Process for Origami-Adapted Design

Jessica Morgan, Spencer P. Magleby, Robert J. Lang, Larry L. Howell
Proc. ASME. IDETC-CIE2015, Volume 5B: 39th Mechanisms and Robotics Conference, V05BT08A053, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47559
https://doi.org/10.1115/DETC2015-47559
View Paper titled, A Preliminary Process for Origami-Adapted Design
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Topics: Design, Engineers, Manufacturing
Proceedings Papers

Considering Mechanical Advantage in the Design and Actuation of an Origami-Based Mechanism

Eric W. Wilcox, Adam Shrager, Landen Bowen, Mary Frecker, Paris Von Lockette, Timothy Simpson, Spencer Magleby, Robert J. Lang, Larry L. Howell
Proc. ASME. IDETC-CIE2015, Volume 5B: 39th Mechanisms and Robotics Conference, V05BT08A055, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47708
https://doi.org/10.1115/DETC2015-47708
View Paper titled, Considering Mechanical Advantage in the Design and Actuation of an Origami-Based Mechanism
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Topics: Design, Deflection, Magnetic fields
Journal Articles

Force–Deflection Modeling for Generalized Origami Waterbomb-Base Mechanisms

Brandon H. Hanna, Spencer P. Magleby, Robert J. Lang, Larry L. Howell
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. August 2015, 82(8): 081001.
Paper No: JAM-14-1428
https://doi.org/10.1115/1.4030659
Published Online: August 1, 2015
View Article titled, Force–Deflection Modeling for Generalized Origami Waterbomb-Base Mechanisms
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Topics: Deflection, Potential energy, Kinematics