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Journal Articles

Origami-Inspired Variable Stiffness Actuator for Safe Human–Robot Interaction

Bowen Zheng, Pengpeng Xu, Zhaoqi Guo, Longhan Xie
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. April 2024, 16(4): 041009.
Paper No: JMR-22-1596
https://doi.org/10.1115/1.4062499
Published Online: June 9, 2023
View Article titled, Origami-Inspired Variable Stiffness Actuator for Safe Human–Robot Interaction
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Topics: Deflection, Stiffness, Torque, Motors, Springs, Actuators, Torsion, Origami-inspired design
Journal Articles

Evaluation of the Load Reduction Performance Via a Suspended Backpack With Adjustable Stiffness

Zhenhua Yang, Ledeng Huang, Ziniu Zeng, Ruishi Wang, Ruizhe Hu, Longhan Xie
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. May 2022, 144(5): 051001.
Paper No: BIO-21-1197
https://doi.org/10.1115/1.4053005
Published Online: December 17, 2021
View Article titled, Evaluation of the Load Reduction Performance Via a Suspended Backpack With Adjustable Stiffness
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Topics: Muscle, Stiffness, Stress, Springs, Displacement
Journal Articles

Design and Evaluation of a Parallel Cable-Driven Shoulder Mechanism With Series Springs

Pengpeng Xu, Juncheng Li, Shuoyu Li, Dan Xia, Ziniu Zeng, Nachuan Yang, Longhan Xie
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. June 2022, 14(3): 031012.
Paper No: JMR-21-1276
https://doi.org/10.1115/1.4052972
Published Online: December 8, 2021
View Article titled, Design and Evaluation of a Parallel Cable-Driven Shoulder Mechanism With Series Springs
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Journal Articles

Mechanical Efficiency Investigation of an Ankle-Assisted Robot for Human Walking With a Backpack-Load

Longhan Xie, Zhihou Wang, Guowei Huang, Biao Liu, Zikang Zhou
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. November 2021, 143(11): 111010.
Paper No: BIO-20-1522
https://doi.org/10.1115/1.4051434
Published Online: July 19, 2021
View Article titled, Mechanical Efficiency Investigation of an Ankle-Assisted Robot for Human Walking With a Backpack-Load
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Topics: Robots, Stress, Weight (Mass), Bearings, Mechanical efficiency
Proceedings Papers

Develop a Flexible Regenerative Exoskeleton to Assist Walking

Longhan Xie, Xiaodong Li
Proc. ASME. IMECE2018, Volume 3: Biomedical and Biotechnology Engineering, V003T04A071, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-86779
https://doi.org/10.1115/IMECE2018-86779
View Paper titled, Develop a Flexible Regenerative Exoskeleton to Assist Walking
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Topics: Exoskeleton devices, Damping, Kinetic energy, Muscle, Biomechanics, Engineering prototypes, Generators, Physiology
Proceedings Papers

Energy Harvesting From a Vehicle Damper by Using Electromagnetic Transducers

Longhan Xie, Jiehong Li
Proc. ASME. IMECE2018, Volume 4B: Dynamics, Vibration, and Control, V04BT06A047, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-86774
https://doi.org/10.1115/IMECE2018-86774
View Paper titled, Energy Harvesting From a Vehicle Damper by Using Electromagnetic Transducers
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Topics: Dampers, Energy harvesting, Transducers, Vehicles, Damping, Generators, Vibration, Design, Engineering prototypes, Heat
Journal Articles

Development of a Suspended Backpack for Harvesting Biomechanical Energy

Longhan Xie, Mingjing Cai
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. May 2015, 137(5): 054503.
Paper No: MD-14-1198
https://doi.org/10.1115/1.4029807
Published Online: May 1, 2015
View Article titled, Development of a Suspended Backpack for Harvesting Biomechanical Energy
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Topics: Biomechanics, Energy harvesting, Gear trains, Generators, Springs, Stress, Rotation, Engineering prototypes, Design, Damping
Journal Articles

Frequency Tuning of a Nonlinear Electromagnetic Energy Harvester

Longhan Xie, Ruxu Du
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. February 2014, 136(1): 011010.
Paper No: VIB-13-1147
https://doi.org/10.1115/1.4025445
Published Online: October 23, 2013
View Article titled, Frequency Tuning of a Nonlinear Electromagnetic Energy Harvester
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Topics: Electromagnetic radiation, Excitation, Frequency response, String, Damping, Energy harvesting, Vibration, Screws
Proceedings Papers

Develop a Nonlinear Oscillating System to Harvest Vibration Energy

Longhan Xie, Yupei Yao, Ruxu Du
Proc. ASME. IMECE2012, Volume 12: Vibration, Acoustics and Wave Propagation, 461-465, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-85996
https://doi.org/10.1115/IMECE2012-85996
View Paper titled, Develop a Nonlinear Oscillating System to Harvest Vibration Energy
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Topics: Vibration, Energy harvesting, Design, Excitation, Oscillations, Resonance, String, Theoretical analysis
Journal Articles

The Mechanics of Spiral Springs and Its Application in Timekeeping

Longhan Xie, Puihang Ko, Ruxu Du
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. March 2014, 81(3): 034504.
Paper No: JAM-11-1360
https://doi.org/10.1115/1.4024669
Published Online: September 23, 2013
View Article titled, The Mechanics of Spiral Springs and Its Application in Timekeeping
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Topics: Deformation, Rotation, Springs, Wheels, Torque, Computer simulation, Simulation results, Simulation, Theorems (Mathematics)
eBook Chapter

Modeling and Simulation of the Generator for Harvesting Human's Kinetic Energy

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2010
ISBN: 9780791859544
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Topics: Generators, Kinetic energy, Modeling, Simulation
Journal Articles

The Automatic Winding Device of a Mechanical Watch Movement and Its Application in Energy Harvesting

Longhan Xie, Carmen G. Menet, Ho Ching, Ruxu Du
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. July 2009, 131(7): 071005.
https://doi.org/10.1115/1.3151803
Published Online: June 23, 2009
View Article titled, The Automatic Winding Device of a Mechanical Watch Movement and Its Application in Energy Harvesting
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Topics: Energy harvesting, Winding (process), Pendulums, Gears