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Larry L. Howell
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Proceedings Papers

A Framework for Origami Flasher Pattern Optimization to Mitigate Rigid-Foldability Issues

Katie Varela, Nathan Coleman, Mitchel Skinner, Larry L. Howell, Spencer P. Magleby
Proc. ASME. IDETC-CIE2023, Volume 8: 47th Mechanisms and Robotics Conference (MR), V008T08A050, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-116542
https://doi.org/10.1115/DETC2023-116542
View Paper titled, A Framework for Origami Flasher Pattern Optimization to Mitigate Rigid-Foldability Issues
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Topics: Optimization
Journal Articles

Embedded Linear-Motion Developable Mechanisms on Cylindrical Surfaces

Jacob L. Sheffield, Brandon Sargent, Larry L. Howell
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Design Innovation Paper
J. Mechanisms Robotics. January 2024, 16(1): 015001.
Paper No: JMR-22-1489
https://doi.org/10.1115/1.4062133
Published Online: April 10, 2023
View Article titled, Embedded Linear-Motion Developable Mechanisms on Cylindrical Surfaces
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Topics: Linkages, Design, Cylinders
Journal Articles

Laser Forming of Compliant Mechanisms

Daniel C. Ames, Gabriel L. Smith, Nathan Lazarus, Larry L. Howell, Spencer P. Magleby
Journal: ASME Open Journal of Engineering
Publisher: ASME
Article Type: Research Papers
ASME Open J. Engineering. January 2023, 2: 021018.
Paper No: AOJE-22-1114
https://doi.org/10.1115/1.4057048
Published Online: March 23, 2023
View Article titled, Laser Forming of Compliant Mechanisms
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Topics: Compliant mechanisms, Lasers, Design, Manufacturing, Metals
Journal Articles

Asymmetric Zipper-Coupled Tubes and Smooth Sheet Attachments in the Design of Deployable Space-Filling Mechanisms

Dylan C. Webb, Elissa Reynolds, Denise M. Halverson, Larry L. Howell
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. January 2024, 16(1): 011004.
Paper No: JMR-22-1494
https://doi.org/10.1115/1.4056868
Published Online: March 8, 2023
View Article titled, Asymmetric Zipper-Coupled Tubes and Smooth Sheet Attachments in the Design of Deployable Space-Filling Mechanisms
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Topics: Design
Journal Articles

Effects of Panel Misalignment in a Deployable Origami-Based Optical Array

Clark Roubicek, Guangjun Gao, Hui Li, Mark Stephen, Spencer P. Magleby, Larry L. Howell
Journal: ASME Open Journal of Engineering
Publisher: ASME
Article Type: Research Papers
ASME Open J. Engineering. January 2023, 2: 021003.
Paper No: AOJE-22-1115
https://doi.org/10.1115/1.4056475
Published Online: January 5, 2023
View Article titled, Effects of Panel Misalignment in a Deployable Origami-Based Optical Array
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Topics: Sensors, Simulation, Telescopes, Design
Proceedings Papers

Deployable Space-Filling Mechanisms: Asymmetric Zipper-Coupled Tubes and Smooth Sheet Attachments

Dylan C. Webb, Elissa Reynolds, Denise M. Halverson, Larry L. Howell
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A071, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-90045
https://doi.org/10.1115/DETC2022-90045
View Paper titled, Deployable Space-Filling Mechanisms: Asymmetric Zipper-Coupled Tubes and Smooth Sheet Attachments
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Topics: Compression, Construction
Proceedings Papers

Accommodating Irregular Panel Profiles and Thicknesses in LET Joint Arrays

Samuel P. Smith, Spencer P. Magleby, Larry L. Howell
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A003, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-88822
https://doi.org/10.1115/DETC2022-88822
View Paper titled, Accommodating Irregular Panel Profiles and Thicknesses in LET Joint Arrays
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Topics: Compliant mechanisms, Deflection, Design, Geometry, Origami-inspired design, Stress, Testing
Proceedings Papers

Techniques for Designing Stable Flat-Foldable Wood Furniture

Bethany Parkinson, Daniel Ames, David Andrews, David Morgan, Terri Bateman, Larry L. Howell, Spencer Magleby
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A067, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-89529
https://doi.org/10.1115/DETC2022-89529
View Paper titled, Techniques for Designing Stable Flat-Foldable Wood Furniture
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Topics: Design, Wood products, Stress, Bearings, Computer numerical control machine tools, Compression, Membranes, Plywood
Proceedings Papers

Dual-Purpose Lenticular Locking Hinges for Actuation and Stiffening of Deployable Origami Arrays

Nathan Brown, Katie Varela, Collin Ynchausti, Larry L. Howell, Spencer P. Magleby
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A066, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-89526
https://doi.org/10.1115/DETC2022-89526
View Paper titled, Dual-Purpose Lenticular Locking Hinges for Actuation and Stiffening of Deployable Origami Arrays
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Topics: Hinges, Geometry, Locks (Waterways), Compliant mechanisms, Design, Displacement, Engineering prototypes, Instrumentation, Space vehicles
Proceedings Papers

Embedded Linear-Motion Developable Mechanisms on Cylindrical Developable Surfaces

Jacob L. Sheffield, Brandon Sargent, Larry L. Howell
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A017, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-91288
https://doi.org/10.1115/DETC2022-91288
View Paper titled, Embedded Linear-Motion Developable Mechanisms on Cylindrical Developable Surfaces
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Topics: Circular cylinders, Cylinders, Design, Engineering design, Linkages, Shapes
Proceedings Papers

Applications of Origami Principles in Deployable Childcare Furniture

Daniel C. Ames, Aliya Mittelman, Jaxon Jones, Denise Halverson, Terri Bateman, Spencer P. Magleby, Larry L. Howell
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A069, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-89996
https://doi.org/10.1115/DETC2022-89996
View Paper titled, Applications of Origami Principles in Deployable Childcare Furniture
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Topics: Design, Design engineering, Hinges, Origami-inspired design, Pinch effect, Safety, Space, Stability
Journal Articles

Selecting and Optimizing Origami Flasher Pattern Configurations for Finite-Thickness Deployable Space Arrays

Diana Bolanos, Katie Varela, Brandon Sargent, Mark A. Stephen, Larry L. Howell, Spencer P. Magleby
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. February 2023, 145(2): 023301.
Paper No: MD-22-1413
https://doi.org/10.1115/1.4055900
Published Online: November 1, 2022
View Article titled, Selecting and Optimizing Origami Flasher Pattern Configurations for Finite-Thickness Deployable Space Arrays
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Topics: Design, Optimization
Journal Articles

Hexagonal Twist Origami Pattern for Deployable Space Arrays

Collin Ynchausti, Clark Roubicek, Joseph Erickson, Brandon Sargent, Spencer P. Magleby, Larry L. Howell
Journal: ASME Open Journal of Engineering
Publisher: ASME
Article Type: Research Papers
ASME Open J. Engineering. January 2022, 1: 011041.
Paper No: AOJE-21-1071
https://doi.org/10.1115/1.4055357
Published Online: September 20, 2022
View Article titled, Hexagonal Twist Origami Pattern for Deployable Space Arrays
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Topics: Design, Hinges, Telescopes, Membranes, Kinematics
Journal Articles

Approaches for Minimizing Joints in Single-Degree-of-Freedom Origami-Based Mechanisms

Nathan C. Brown, Collin Ynchausti, Amanda Lytle, Larry L. Howell, Spencer P. Magleby
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. October 2022, 144(10): 103301.
Paper No: MD-21-1491
https://doi.org/10.1115/1.4054633
Published Online: June 30, 2022
View Article titled, Approaches for Minimizing Joints in Single-Degree-of-Freedom Origami-Based Mechanisms
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Topics: Mechanical admittance, Hinges
Proceedings Papers

The Design and Analysis of Compliant MEMS Using the Pseudo-Rigid-Body Model

Brian D. Jensen, Larry L. Howell, Daniel B. Gunyan, Linton G. Salmon
Proc. ASME. IMECE97, Microelectromechanical Systems (MEMS), 119-126, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0949
https://doi.org/10.1115/IMECE1997-0949
View Paper titled, The Design and Analysis of Compliant MEMS Using the Pseudo-Rigid-Body Model
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Topics: Design, Microelectromechanical systems, Deflection, Compliant mechanisms, Euler-Bernoulli beam theory, Testing
Journal Articles

The Mixed-Body Model: A Method for Predicting Large Deflections in Stepped Cantilever Beams

Brandon S. Sargent, Collin R. Ynchausti, Todd G. Nelson, Larry L. Howell
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. August 2022, 14(4): 041001.
Paper No: JMR-21-1473
https://doi.org/10.1115/1.4053376
Published Online: February 18, 2022
View Article titled, The Mixed-Body Model: A Method for Predicting Large Deflections in Stepped Cantilever Beams
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Topics: Deflection, Finite element analysis, Stress, Cantilever beams, Errors
Proceedings Papers

A Constrained Thermal Expansion Micro-Actuator

Rebecca Cragun, Larry L. Howell
Proc. ASME. IMECE98, Micro-Electro-Mechanical Systems (MEMS), 365-371, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-1270
https://doi.org/10.1115/IMECE1998-1270
View Paper titled, A Constrained Thermal Expansion Micro-Actuator
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Topics: Microactuators, Thermal expansion, Actuators, Compliant mechanisms, Cycles, Deflection, Finite element analysis, Polysilicon, Visualization
Proceedings Papers

Linear Thermomechanical Microactuators

Rebecca Cragun, Larry L. Howell
Proc. ASME. IMECE99, Micro-Electro-Mechanical Systems (MEMS), 181-188, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0265
https://doi.org/10.1115/IMECE1999-0265
View Paper titled, Linear Thermomechanical Microactuators
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Topics: Microactuators, Thermomechanics, Deflection, Actuators, Cross section (Physics), Design, Finite element analysis, Micromachining, Polysilicon, Symmetry (Physics)
Proceedings Papers

The Mixed-Body Model: A Method for Predicting Large Deflections in Stepped Cantilever Beams

Brandon S. Sargent, Collin R. Ynchausti, Todd G. Nelson, Larry L. Howell
Proc. ASME. IDETC-CIE2021, Volume 8A: 45th Mechanisms and Robotics Conference (MR), V08AT08A022, August 17–19, 2021
Publisher: American Society of Mechanical Engineers
Paper No: DETC2021-71332
https://doi.org/10.1115/DETC2021-71332
View Paper titled, The Mixed-Body Model: A Method for Predicting Large Deflections in Stepped Cantilever Beams
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Topics: Cantilever beams, Deflection
Proceedings Papers

Design Optimization of a Fully-Compliant Bistable Micro-Mechanism

Brian D. Jensen, Matthew B. Parkinson, Katsuo Kurabayashi, Larry L. Howell, Michael S. Baker
Proc. ASME. IMECE2001, Micro-Electro-Mechanical Systems (MEMS), 357-363, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/MEMS-23852
https://doi.org/10.1115/IMECE2001/MEMS-23852
View Paper titled, Design Optimization of a Fully-Compliant Bistable Micro-Mechanism
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Topics: Design, Microelectromechanical systems, Micromechanical devices, Optimization, Finite element analysis