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Jingjun Yu
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Journal Articles

Rigid-Compliant Hybrid Cellular Expansion Mechanisms With Motion Amplification and Superposition

Tingwei Wang, Jingjun Yu, Hongzhe Zhao
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. June 2024, 146(6): 063304.
Paper No: MD-23-1565
https://doi.org/10.1115/1.4064240
Published Online: December 22, 2023
View Article titled, Rigid-Compliant Hybrid Cellular Expansion Mechanisms With Motion Amplification and Superposition
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Topics: Design, Displacement, Heat, Energy dissipation, Finite element analysis, Modeling
Journal Articles

Design of a Novel Flexible Spherical Hinge and Its Application in Continuum Robot

Guoxin Li, Jingjun Yu, Jie Pan, Xu Pei
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. June 2024, 16(6): 061012.
Paper No: JMR-23-1276
https://doi.org/10.1115/1.4063370
Published Online: October 4, 2023
View Article titled, Design of a Novel Flexible Spherical Hinge and Its Application in Continuum Robot
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Topics: Design, Robots, Stiffness, Chain, Deformation, End effectors, Isotropy
Journal Articles

Design and Application of Double-Parallelograms-Based Tuned Mass Damper for Low-Frequency Vibration Absorption

Wenshuo Ma, Jingjun Yu, Yiqing Yang
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 2022, 144(5): 051005.
Paper No: VIB-22-1012
https://doi.org/10.1115/1.4054255
Published Online: May 4, 2022
View Article titled, Design and Application of Double-Parallelograms-Based Tuned Mass Damper for Low-Frequency Vibration Absorption
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Topics: Deflection, Design, Stiffness, Vibration, Dampers, Modeling, Excitation
Journal Articles

A Family of Novel Compliant Linear-Motion Mechanisms Based on Compliant Rolling-Contact Element Pivot

Tonglong Huo, Jingjun Yu, Hongzhe Zhao, Xian Wei
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. August 2022, 14(4): 041002.
Paper No: JMR-21-1528
https://doi.org/10.1115/1.4053377
Published Online: February 18, 2022
View Article titled, A Family of Novel Compliant Linear-Motion Mechanisms Based on Compliant Rolling-Contact Element Pivot
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Topics: Kinematic analysis, Topology, Design, Kinematics, Rolling contact, Simulation, Stress, Load bearing capacity, Parametric design
Journal Articles

Design of Deployable Mechanisms Based on Wren Parallel Mechanism Units

Jieyu Wang, Xianwen Kong, Jingjun Yu
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. June 2022, 144(6): 063302.
Paper No: MD-21-1368
https://doi.org/10.1115/1.4053282
Published Online: January 17, 2022
View Article titled, Design of Deployable Mechanisms Based on Wren Parallel Mechanism Units
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Topics: Parallel mechanisms, Shapes, Universal joints, Optimization
Journal Articles

Algebraic Method for Exact Synthesis of One-Degree-of-Freedom Linkages With Arbitrarily Prescribed Constant Velocity Ratios

Kai Liu, Jingjun Yu
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. June 2022, 144(6): 063301.
Paper No: MD-21-1212
https://doi.org/10.1115/1.4052845
Published Online: December 8, 2021
View Article titled, Algebraic Method for Exact Synthesis of One-Degree-of-Freedom Linkages With Arbitrarily Prescribed Constant Velocity Ratios
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Topics: Linkages, Polynomials, Kinematics
Proceedings Papers

A Family of Novel Compliant Linear-Motion Mechanisms Based on Compliant Rolling-Contact Element Pivot

Tonglong Huo, Jingjun Yu, Hongzhe Zhao, Xian Wei
Proc. ASME. IDETC-CIE2021, Volume 8A: 45th Mechanisms and Robotics Conference (MR), V08AT08A017, August 17–19, 2021
Publisher: American Society of Mechanical Engineers
Paper No: DETC2021-69887
https://doi.org/10.1115/DETC2021-69887
View Paper titled, A Family of Novel Compliant Linear-Motion Mechanisms Based on Compliant Rolling-Contact Element Pivot
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Topics: Load bearing capacity, Rolling contact, Stress, Design, Machinery, Bearings, Blocks (Building materials), Design engineering, Engineering simulation, Kinematics
Journal Articles

Structure Synthesis and Reconfiguration Analysis of Variable-Degree-of-Freedom Single-Loop Mechanisms With Prismatic Joints Using Dual Quaternions

Kai Liu, Jingjun Yu, Xianwen Kong
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. April 2022, 14(2): 021009.
Paper No: JMR-21-1166
https://doi.org/10.1115/1.4052338
Published Online: September 21, 2021
View Article titled, Structure Synthesis and Reconfiguration Analysis of Variable-Degree-of-Freedom Single-Loop Mechanisms With Prismatic Joints Using Dual Quaternions
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Topics: Algebra, Polynomials, Chain, Kinematics
Proceedings Papers

Analysis and Study of Variable Stiffness Joints Based on Bi-Material Nested Elastomers

Wei Sun, Jingjun Yu, Yueri Cai
Proc. ASME. IDETC-CIE2020, Volume 10: 44th Mechanisms and Robotics Conference (MR), V010T10A004, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22160
https://doi.org/10.1115/DETC2020-22160
View Paper titled, Analysis and Study of Variable Stiffness Joints Based on Bi-Material Nested Elastomers
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Topics: Elastomers, Fluids, Rheology, Stiffness, Stress
Journal Articles

Graphical Design Methodology of Multi-Degrees-of-Freedom Tuned Mass Damper for Suppressing Multiple Modes

Wenshuo Ma, Jingjun Yu, Yiqing Yang
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2021, 143(1): 011008.
Paper No: VIB-19-1534
https://doi.org/10.1115/1.4047860
Published Online: August 14, 2020
View Article titled, Graphical Design Methodology of Multi-Degrees-of-Freedom Tuned Mass Damper for Suppressing Multiple Modes
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Topics: Cantilever beams, Dampers, Dynamics (Mechanics), Degrees of freedom, Damping, Design, Vibration, Springs, Vibration suppression, Design methodology
Proceedings Papers

Design of a Triad-Pod Kinematic Flexure Mount for a Primary Mirror in Space Telescope at Cryogenic Temperature

Tonglong Huo, Jingjun Yu, Hongzhe Zhao
Proc. ASME. IDETC-CIE2019, Volume 5A: 43rd Mechanisms and Robotics Conference, V05AT07A013, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97812
https://doi.org/10.1115/DETC2019-97812
View Paper titled, Design of a Triad-Pod Kinematic Flexure Mount for a Primary Mirror in Space Telescope at Cryogenic Temperature
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Topics: Bending (Stress), Design, Kinematics, Mirrors, Telescopes, Temperature, Rotation, Stiffness, Thermal stresses, Engineering simulation
Journal Articles

Bi-Material Re-Entrant Triangle Cellular Structures Incorporating Tailorable Thermal Expansion and Tunable Poisson's Ratio

Xiaobing He, Jingjun Yu, Yan Xie
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. December 2019, 11(6): 061003.
Paper No: JMR-19-1188
https://doi.org/10.1115/1.4044335
Published Online: October 9, 2019
View Article titled, Bi-Material Re-Entrant Triangle Cellular Structures Incorporating Tailorable Thermal Expansion and Tunable Poisson's Ratio
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Topics: Deformation, Design, Poisson ratio, Temperature, Thermal expansion, Thermoelasticity, Young's modulus, Stress, Modeling, Stiffness
Proceedings Papers

Design and Optimization of Multiple Single-DOF Tuned Mass Dampers Based on Flexure Design Theory

Wenshuo Ma, Yiqing Yang, Jingjun Yu
Proc. ASME. IDETC-CIE2018, Volume 5A: 42nd Mechanisms and Robotics Conference, V05AT07A011, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85803
https://doi.org/10.1115/DETC2018-85803
View Paper titled, Design and Optimization of Multiple Single-DOF Tuned Mass Dampers Based on Flexure Design Theory
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Topics: Bending (Stress), Dampers, Design, Design theory, Optimization, Finite element analysis, Vibration, Algorithms, Damping, Degrees of freedom
Proceedings Papers

The Workspace Analysis of Quadruped Robot Regarded As a Parallel Manipulator Under Different Configurations

Nan Ma, Jingjun Yu
Proc. ASME. IDETC-CIE2018, Volume 5A: 42nd Mechanisms and Robotics Conference, V05AT07A052, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-86353
https://doi.org/10.1115/DETC2018-86353
View Paper titled, The Workspace Analysis of Quadruped Robot Regarded As a Parallel Manipulator Under Different Configurations
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Topics: Manipulators, Robots, Equations of motion, Stability
Journal Articles

Deterministic Design for a Compliant Parallel Universal Joint With Constant Rotational Stiffness

Yan Xie, Jingjun Yu, Hongzhe Zhao
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. June 2018, 10(3): 031006.
Paper No: JMR-17-1182
https://doi.org/10.1115/1.4039065
Published Online: March 30, 2018
View Article titled, Deterministic Design for a Compliant Parallel Universal Joint With Constant Rotational Stiffness
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Topics: Bending (Stress), Design, Rotation, Stiffness, Stress, Universal joints, Blades
Proceedings Papers

Bimaterial Micro-Structured Annulus With Zero Thermal Expansion Coefficient

Yan Xie, Dengfeng Lu, Jingjun Yu
Proc. ASME. IDETC-CIE2017, Volume 5A: 41st Mechanisms and Robotics Conference, V05AT08A020, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68142
https://doi.org/10.1115/DETC2017-68142
View Paper titled, Bimaterial Micro-Structured Annulus With Zero Thermal Expansion Coefficient
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Topics: Annulus, Thermal expansion, Bearings, Design, Deformation, Fasteners, Finite element analysis, Heat, Materials properties, Screws
Proceedings Papers

Dynamic Modeling and Optimal Design of a 2R Compliant Mechanism

Wenshuo Ma, Yan Xie, Jingjun Yu, Xu Pei
Proc. ASME. IDETC-CIE2017, Volume 5A: 41st Mechanisms and Robotics Conference, V05AT08A017, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68019
https://doi.org/10.1115/DETC2017-68019
View Paper titled, Dynamic Modeling and Optimal Design of a 2R Compliant Mechanism
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Topics: Compliant mechanisms, Design, Dynamic modeling, Dynamic models
Journal Articles

Identification and Comparison for Continuous Motion Characteristics of Three Two-Degree-of-Freedom Pointing Mechanisms

Jingjun Yu, Zhao Jin, Xianwen Kong
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. October 2017, 9(5): 051015.
Paper No: JMR-17-1042
https://doi.org/10.1115/1.4037568
Published Online: August 31, 2017
View Article titled, Identification and Comparison for Continuous Motion Characteristics of Three Two-Degree-of-Freedom Pointing Mechanisms
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Topics: Rotation, Scanning probe microscopy, Kinematics, Torsion
Proceedings Papers

Design of Compliant Universal Joint With Linear Stiffness

Yan Xie, Bo Pan, Xu Pei, Jingjun Yu
Proc. ASME. IDETC-CIE2016, Volume 5A: 40th Mechanisms and Robotics Conference, V05AT07A004, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-59110
https://doi.org/10.1115/DETC2016-59110
View Paper titled, Design of Compliant Universal Joint With Linear Stiffness
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Topics: Design, Stiffness, Universal joints, Rotation, Lasers, Topology, Finite element analysis, Inertia (Mechanics)
Proceedings Papers

Flexible Cellular Structures of a Non-Pneumatic Tire

Fanhao Meng, Dengfeng Lu, Jingjun Yu
Proc. ASME. IDETC-CIE2016, Volume 5A: 40th Mechanisms and Robotics Conference, V05AT07A005, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-59124
https://doi.org/10.1115/DETC2016-59124
View Paper titled, Flexible Cellular Structures of a Non-Pneumatic Tire
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Topics: Tires, Degrees of freedom, Design methodology, Compliant mechanisms, Design, Finite element analysis, Stiffness