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Sri Sadhan Jujjavarapu
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Journal Articles

A Variable Stiffness End-of-Arm Tooling Mechanism to Enhance Dynamic Task Capabilities of Robotic Manipulators

Sri Sadhan Jujjavarapu, Hemanth Manjunatha, Ehsan Tarkesh Esfahani
Journal: Journal of Mechanisms and Robotics
Article Type: Research Papers
J. Mechanisms Robotics. December 2023, 15(6): 061003.
Paper No: JMR-22-1198
DOI: https://doi.org/10.1115/1.4056235
Published Online: January 17, 2023
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Topics: Hammers, Magnets, Robots, Stiffness, Trajectories (Physics), End effectors, Manipulators, Optimization, Displacement, Energy storage
Proceedings Papers

A Variable Stiffness End-of-Arm Mechanism for Safe Operation in Industrial Environments

Sri Sadhan Jujjavarapu, Ehsan Tarkesh Esfahani
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A018, August 14–17, 2022
Paper No: DETC2022-91310
DOI: https://doi.org/10.1115/DETC2022-91310
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Topics: Stiffness, Collisions (Physics), Robots, Displacement, End effectors, Damage, Magnets, Manipulators, Permanent magnets, Robotics
Journal Articles

Transfer Learning of Motor Difficulty Classification in Physical Human–Robot Interaction Using Electromyography

Hemanth Manjunatha, Sri Sadhan Jujjavarapu, Ehsan T. Esfahani
Journal: Journal of Computing and Information Science in Engineering
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. October 2022, 22(5): 050908.
Paper No: JCISE-21-1313
DOI: https://doi.org/10.1115/1.4054594
Published Online: June 7, 2022
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Topics: Artificial neural networks, Damping, Electromyography, Engines, Human-robot interaction, Machine learning, Motors, Robots, Signals, Physiology
Proceedings Papers

Fatigue Detection for Human Aware Adaptation in Human-Robot Collaboration

Rakesh Suresh Kumar, Sri Sadhan Jujjavarapu, Lung Hao Lee, Ehsan T. Esfahani
Proc. ASME. IDETC-CIE2021, Volume 2: 41st Computers and Information in Engineering Conference (CIE), V002T02A020, August 17–19, 2021
Paper No: DETC2021-70975
DOI: https://doi.org/10.1115/DETC2021-70975
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Topics: Collaboration, Fatigue, Robots, Muscle, Geometry, Sensors, Adaptive control, Engines, Motors, Robustness
Proceedings Papers

Design of a Novel Variable Stiffness Active Ankle Foot Orthosis Using Permanent Magnets for Drop Foot Assistance

Abhinaba Basu, Sri Sadhan Jujjavarapu, Ehsan T. Esfahani
Proc. ASME. IDETC-CIE2020, Volume 10: 44th Mechanisms and Robotics Conference (MR), V010T10A049, August 17–19, 2020
Paper No: DETC2020-22742
DOI: https://doi.org/10.1115/DETC2020-22742
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Topics: Design, Orthotics, Permanent magnets, Stiffness, Torque, Cycles, Magnets, Springs
Proceedings Papers

Stiffness Based Stability Enhancement in Human-Robot Collaboration

Sri Sadhan Jujjavarapu, Ehsan T. Esfahani
Proc. ASME. IDETC-CIE2019, Volume 5A: 43rd Mechanisms and Robotics Conference, V05AT07A019, August 18–21, 2019
Paper No: DETC2019-98506
DOI: https://doi.org/10.1115/DETC2019-98506
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Topics: Collaboration, Robots, Stability, Stiffness, Muscle, Mechanical admittance
Journal Articles

Variable Stiffness Mechanism for Suppressing Unintended Forces in Physical Human–Robot Interaction

Sri Sadhan Jujjavarapu, Amirhossein H. Memar, M. Amin Karami, Ehsan T. Esfahani
Journal: Journal of Mechanisms and Robotics
Article Type: Research-Article
J. Mechanisms Robotics. April 2019, 11(2): 020915.
Paper No: JMR-18-1384
DOI: https://doi.org/10.1115/1.4042295
Published Online: February 27, 2019
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Topics: Magnets, Stiffness, Control equipment, Human-robot interaction, Mechanical admittance
Proceedings Papers

Variable Stiffness Mechanism for Tremor Suppression in Human-Robot Interaction

Sri Sadhan Jujjavarapu, M. Amin Karami, Ehsan T. Esfahani
Proc. ASME. IDETC-CIE2018, Volume 5A: 42nd Mechanisms and Robotics Conference, V05AT07A066, August 26–29, 2018
Paper No: DETC2018-86328
DOI: https://doi.org/10.1115/DETC2018-86328
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Topics: Human-robot interaction, Stiffness, Magnets, Robotics, Actuators, Degrees of freedom, Filters, Permanent magnets, Prostheses, Robots
Proceedings Papers

Design of a 2D Haptic System With Passive Variable Stiffness Using Permanent Magnets for Upper-Limb Rehabilitation

Sri Sadhan Jujjavarapu, Amirhossein H. Memar, Ehsan T. Esfahani
Proc. ASME. IDETC-CIE2017, Volume 3: 19th International Conference on Advanced Vehicle Technologies; 14th International Conference on Design Education; 10th Frontiers in Biomedical Devices, V003T13A003, August 6–9, 2017
Paper No: DETC2017-67669
DOI: https://doi.org/10.1115/DETC2017-67669
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Topics: Design, Haptics, Permanent magnets, Stiffness, Magnets, End effectors, Robotics, Trajectories (Physics)