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Journal Articles

A Curved Compliant Differential Mechanism With Neutral Stability

Robin Mak, Ali Amoozandeh Nobaveh, Giuseppe Radaelli, Just L. Herder
Journal: Journal of Mechanisms and Robotics
Article Type: Research Papers
J. Mechanisms Robotics. January 2024, 16(1): 011003.
Paper No: JMR-22-1430
https://doi.org/10.1115/1.4056867
Published Online: March 3, 2023
View Article titled, A Curved Compliant Differential Mechanism With Neutral Stability
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Topics: Potential energy, Springs, Stability, Stiffness, Symmetry (Physics), Deformation, Simulation
Journal Articles

Symmetric Kinetostatic Behavior From Asymmetric Spatially Curved Beams

Ali Amoozandeh Nobaveh, Giuseppe Radaelli, Just L. Herder
Journal: Journal of Mechanisms and Robotics
Article Type: Research Papers
J. Mechanisms Robotics. August 2023, 15(4): 041010.
Paper No: JMR-21-1645
https://doi.org/10.1115/1.4055419
Published Online: November 14, 2022
View Article titled, Symmetric Kinetostatic Behavior From Asymmetric Spatially Curved Beams
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Topics: Optimization, Shapes
Proceedings Papers

A Curved Compliant Differential Mechanism With Neutral Stability

Robin Mak, Ali Amoozandeh Nobaveh, Giuseppe Radaelli, Just L. Herder
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A004, August 14–17, 2022
Paper No: DETC2022-89406
https://doi.org/10.1115/DETC2022-89406
View Paper titled, A Curved Compliant Differential Mechanism With Neutral Stability
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Topics: Stability, Stiffness, Springs, Potential energy, Deformation, Design, Dimensions, Engineering simulation, Kinematics, Parametric design
Proceedings Papers

Methods for Shape Fitting in Morphing Compliant Mechanisms

Alden Yellowhorse, Jelle Rommers, Ali Amoozandeh, Just L. Herder
Proc. ASME. IDETC-CIE2021, Volume 8A: 45th Mechanisms and Robotics Conference (MR), V08AT08A021, August 17–19, 2021
Paper No: DETC2021-70686
https://doi.org/10.1115/DETC2021-70686
View Paper titled, Methods for Shape Fitting in Morphing Compliant Mechanisms
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Topics: Compliant mechanisms, Fittings, Shapes, Geometry, Design, Dimensions, Finite element analysis, Stress, Algebra, Approximation
Proceedings Papers

Modelling the Axis Drift of Short Wire Flexures and Increasing Their Support Stiffness Using Polymers

Boris Daan, Jelle Rommers, Just L. Herder
Proc. ASME. IDETC-CIE2021, Volume 8A: 45th Mechanisms and Robotics Conference (MR), V08AT08A006, August 17–19, 2021
Paper No: DETC2021-68255
https://doi.org/10.1115/DETC2021-68255
View Paper titled, Modelling the Axis Drift of Short Wire Flexures and Increasing Their Support Stiffness Using Polymers
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Topics: Modeling, Polymers, Stiffness, Wire
Journal Articles

Statically Balancing a Reconfigurable Mechanism by Using One Passive Energy Element Only: A Case Study

Chin-Hsing Kuo, Vu Linh Nguyen, Daniel Robertson, Lin-Tien Chou, Just L. Herder
Journal: Journal of Mechanisms and Robotics
Article Type: Research Papers
J. Mechanisms Robotics. August 2021, 13(4): 040906.
Paper No: JMR-20-1621
https://doi.org/10.1115/1.4050682
Published Online: April 19, 2021
View Article titled, Statically Balancing a Reconfigurable Mechanism by Using One Passive Energy Element Only: A Case Study
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Topics: Design, Springs
Journal Articles

Static Balancing of Four-Bar Compliant Mechanisms With Torsion Springs by Exerting Negative Stiffness Using Linear Spring At the Instant Center of Rotation

Jorge A. Franco, Juan A. Gallego, Just L. Herder
Journal: Journal of Mechanisms and Robotics
Article Type: Research Papers
J. Mechanisms Robotics. June 2021, 13(3): 031010.
Paper No: JMR-20-1438
https://doi.org/10.1115/1.4050313
Published Online: March 15, 2021
View Article titled, Static Balancing of Four-Bar Compliant Mechanisms With Torsion Springs by Exerting Negative Stiffness Using Linear Spring At the Instant Center of Rotation
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Topics: Compliant mechanisms, Design, Linkages, Springs, Stiffness, Torsion, Rotation, Equilibrium (Physics)
Proceedings Papers

Conception of Balanced Spring Mechanisms

Just L. Herder
Proc. ASME. DETC98, Volume 1B: 25th Biennial Mechanisms Conference, V01BT01A030, September 13–16, 1998
Paper No: DETC98/MECH-5934
https://doi.org/10.1115/DETC98/MECH-5934
View Paper titled, Conception of Balanced Spring Mechanisms
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Topics: Springs
Proceedings Papers

Force Directed Design of Laparoscopic Forceps

Just L. Herder
Proc. ASME. DETC98, Volume 1A: 25th Biennial Mechanisms Conference, V01AT01A009, September 13–16, 1998
Paper No: DETC98/MECH-5978
https://doi.org/10.1115/DETC98/MECH-5978
View Paper titled, Force Directed Design of Laparoscopic Forceps
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Topics: Design, Actuators, Biological tissues, Biomedicine, Design engineering, Dimensions, Grasping, Instrumentation, Kinematics, Linkages
Proceedings Papers

Statically Balanced Compliant Mechanisms (SBCM’S): An Example and Prospects

Just L. Herder, Fred P. A. van den Berg
Proc. ASME. IDETC-CIE2000, Volume 7B: 26th Biennial Mechanisms and Robotics Conference, 853-859, September 10–13, 2000
Paper No: DETC2000/MECH-14144
https://doi.org/10.1115/DETC2000/MECH-14144
View Paper titled, Statically Balanced Compliant Mechanisms (SBCM’S): An Example and Prospects
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Topics: Compliant mechanisms, Force feedback, Surgery
Proceedings Papers

Force Directed Design of a Voluntary Closing Hand Prosthesis

Just L. Herder, Hans de Visser
Proc. ASME. IDETC-CIE2000, Volume 7B: 26th Biennial Mechanisms and Robotics Conference, 903-910, September 10–13, 2000
Paper No: DETC2000/MECH-14149
https://doi.org/10.1115/DETC2000/MECH-14149
View Paper titled, Force Directed Design of a Voluntary Closing Hand Prosthesis
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Topics: Design, Force feedback, Prostheses
Proceedings Papers

Two Spatial Gravity Equilibrators

Just L. Herder, Gabriëlle J. M. Tuijthof
Proc. ASME. IDETC-CIE2000, Volume 7A: 26th Biennial Mechanisms and Robotics Conference, 643-651, September 10–13, 2000
Paper No: DETC2000/MECH-14120
https://doi.org/10.1115/DETC2000/MECH-14120
View Paper titled, Two Spatial Gravity Equilibrators
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Topics: Gravity (Force), Springs
Proceedings Papers

Perfect Static Balance With Normal Springs

Freek L. S. te Riele, Just L. Herder
Proc. ASME. IDETC-CIE2001, Volume 2A: 27th Design Automation Conference, 571-578, September 9–12, 2001
Paper No: DETC2001/DAC-21069
https://doi.org/10.1115/DETC2001/DAC-21069
View Paper titled, Perfect Static Balance With Normal Springs
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Topics: Gravity (Force), Prostheses, Springs, Biomechanical engineering, Design, Engineering prototypes, Orthotics, Weight (Mass)
Proceedings Papers

Development of 5mm-Trocar Laparoscopic Forceps With Mechanical Force Feedback

Albert J. van der Pijl, Just L. Herder
Proc. ASME. IDETC-CIE2001, Volume 2A: 27th Design Automation Conference, 579-585, September 9–12, 2001
Paper No: DETC2001/DAC-21070
https://doi.org/10.1115/DETC2001/DAC-21070
View Paper titled, Development of 5mm-Trocar Laparoscopic Forceps With Mechanical Force Feedback
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Topics: Force feedback, Surgery
Proceedings Papers

Static Balancing of Four-Bar Linkages With Torsion Springs by Exerting Negative Stiffness Using Linear Spring at the Instant Center of Rotation

Jorge A. Franco, Juan A. Gallego, Just L. Herder
Proc. ASME. IDETC-CIE2020, Volume 10: 44th Mechanisms and Robotics Conference (MR), V010T10A009, August 17–19, 2020
Paper No: DETC2020-22352
https://doi.org/10.1115/DETC2020-22352
View Paper titled, Static Balancing of Four-Bar Linkages With Torsion Springs by Exerting Negative Stiffness Using Linear Spring at the Instant Center of Rotation
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Topics: Linkages, Rotation, Springs, Stiffness, Torsion
Journal Articles

Shape Optimization Framework for the Path of the Primary Compliance Vector in Compliant Mechanisms

Hylke Kooistra, Charles J. Kim, Werner W. P. J. van de Sande, Just L. Herder
Journal: Journal of Mechanisms and Robotics
Article Type: Research Papers
J. Mechanisms Robotics. December 2020, 12(6): 061012.
Paper No: JMR-20-1049
https://doi.org/10.1115/1.4047728
Published Online: July 17, 2020
View Article titled, Shape Optimization Framework for the Path of the Primary Compliance Vector in Compliant Mechanisms
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Topics: Compliant mechanisms, Design, Errors, Optimization, Shapes, Stress, Stiffness, Shells, Deformation, Trajectories (Physics)
Journal Articles

Overview and Kinetostatic Characterization of Compliant Shell Mechanism Building Blocks

Joep P. A. Nijssen, Giuseppe Radaelli, Charles J. Kim, Just L. Herder
Journal: Journal of Mechanisms and Robotics
Article Type: Research Papers
J. Mechanisms Robotics. December 2020, 12(6): 061009.
Paper No: JMR-19-1497
https://doi.org/10.1115/1.4047344
Published Online: June 5, 2020
View Article titled, Overview and Kinetostatic Characterization of Compliant Shell Mechanism Building Blocks
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Topics: Blocks (Building materials), Shells, Design
Proceedings Papers

Shape Optimization Framework for the Path of the Primary Compliance Vector in Compliant Mechanisms

Hylke Kooistra, Charles J. Kim, Werner W. P. J. van de Sande, Just L. Herder
Proc. ASME. IDETC-CIE2019, Volume 5A: 43rd Mechanisms and Robotics Conference, V05AT07A005, August 18–21, 2019
Paper No: DETC2019-97450
https://doi.org/10.1115/DETC2019-97450
View Paper titled, Shape Optimization Framework for the Path of the Primary Compliance Vector in Compliant Mechanisms
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Topics: Compliant mechanisms, Shape optimization, Design, Optimization, Shapes, Deformation, Degrees of freedom, Displacement, Kinematics, Stiffness
Journal Articles

Properties of Twofold Tape Loops: The Influence of the Subtended Angle

Marinus G. de Jong, Werner W. P. J. van de Sande, Just L. Herder
Journal: Journal of Mechanisms and Robotics
Article Type: Research-Article
J. Mechanisms Robotics. April 2019, 11(2): 020912.
Paper No: JMR-18-1388
https://doi.org/10.1115/1.4042641
Published Online: February 25, 2019
View Article titled, Properties of Twofold Tape Loops: The Influence of the Subtended Angle
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Topics: Springs, Geometry
Journal Articles

Unified Stiffness Characterization of Nonlinear Compliant Shell Mechanisms

Joost R. Leemans, Charles J. Kim, Werner W .P. J. van de Sande, Just L. Herder
Journal: Journal of Mechanisms and Robotics
Article Type: Research-Article
J. Mechanisms Robotics. February 2019, 11(1): 011011.
Paper No: JMR-18-1035
https://doi.org/10.1115/1.4041785
Published Online: December 10, 2018
View Article titled, Unified Stiffness Characterization of Nonlinear Compliant Shell Mechanisms
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Topics: Degrees of freedom, Flexure mechanisms, Shells, Stiffness, Stress, Potential energy, Displacement, Rotation