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James R. Chagdes
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Proceedings Papers

Investigating the Effects of Feedback Time Delay in Human Upright Stability Using Virtual Reality

Kushal Neupane, James R. Chagdes
Proc. ASME. IMECE2023, Volume 5: Biomedical and Biotechnology, V005T06A036, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-117080
https://doi.org/10.1115/IMECE2023-117080
View Paper titled, Investigating the Effects of Feedback Time Delay in Human Upright Stability Using Virtual Reality
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Topics: Delays, Feedback, Limit cycles, Oscillations, Stability, Virtual reality
Journal Articles

Investigating the Nonlinear Dynamics of Human Balance Using Topological Data Analysis

Kyle W. Siegrist, Ryan M. Kramer, James R. Chagdes
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2020, 15(9): 091013.
Paper No: CND-19-1472
https://doi.org/10.1115/1.4047937
Published Online: August 17, 2020
View Article titled, Investigating the Nonlinear Dynamics of Human Balance Using Topological Data Analysis
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Topics: Stability, Time series, Nonlinear dynamics, Feedback, Equilibrium (Physics), Entropy
Proceedings Papers

Investigating the Nonlinear Dynamics of Human Balance Using Topological Data Analysis

Kyle W. Siegrist, James R. Chagdes, Ryan M. Kramer
Proc. ASME. IDETC-CIE2019, Volume 6: 15th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T09A011, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-98014
https://doi.org/10.1115/DETC2019-98014
View Paper titled, Investigating the Nonlinear Dynamics of Human Balance Using Topological Data Analysis
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Topics: Diseases, Feedback, Limit cycles, Nonlinear dynamics, Oscillations, Pendulums, Stability, Time series
Proceedings Papers

Nonlinear Dynamics of Upright Human Balance While Using a Passive-Cane

James R. Chagdes, Joao P. Freire, Amit Shukla
Proc. ASME. DSCC2016, Volume 1: Advances in Control Design Methods, Nonlinear and Optimal Control, Robotics, and Wind Energy Systems; Aerospace Applications; Assistive and Rehabilitation Robotics; Assistive Robotics; Battery and Oil and Gas Systems; Bioengineering Applications; Biomedical and Neural Systems Modeling, Diagnostics and Healthcare; Control and Monitoring of Vibratory Systems; Diagnostics and Detection; Energy Harvesting; Estimation and Identification; Fuel Cells/Energy Storage; Intelligent Transportation, V001T10A005, October 12–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2016-9863
https://doi.org/10.1115/DSCC2016-9863
View Paper titled, Nonlinear Dynamics of Upright Human Balance While Using a Passive-Cane
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Topics: Nonlinear dynamics, Stability, Delays, Design, Dynamics (Mechanics), Equilibrium (Physics), Feedback, Linkages, Oscillations, Pendulums
Proceedings Papers

Dynamics of Upright Posture on an Active Balance Board With Tunable Time-Delay and Stiffness

Denise R. Cruise, James R. Chagdes, Arvind Raman
Proc. ASME. IDETC-CIE2016, Volume 6: 12th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T09A006, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60210
https://doi.org/10.1115/DETC2016-60210
View Paper titled, Dynamics of Upright Posture on an Active Balance Board With Tunable Time-Delay and Stiffness
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Topics: Delays, Dynamics (Mechanics), Stiffness, Dynamic systems, Feedback, Limit cycles, Lumber, Nervous system, Oscillations, Risk
Proceedings Papers

Dynamic Instabilities Induced Through Altered Visual Cues and Their Relationship to Postural Response Latencies

James R. Chagdes, Joshua J. Liddy, Jessica E. Huber, Howard N. Zelaznik, Shirley Rietdyk, Arvind Raman, Jeffrey M. Haddad
Proc. ASME. IDETC-CIE2016, Volume 6: 12th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T09A007, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60248
https://doi.org/10.1115/DETC2016-60248
View Paper titled, Dynamic Instabilities Induced Through Altered Visual Cues and Their Relationship to Postural Response Latencies
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Topics: Delays, Diseases, Feedback, Limit cycles, Oscillations
Proceedings Papers

Understanding the Role of Time-Delay on Maintaining Upright Stance on Rotational Balance Boards

James R. Chagdes, Jeffrey M. Haddad, Shirley Rietdyk, Howard N. Zelaznik, Arvind Raman
Proc. ASME. IDETC-CIE2015, Volume 6: 11th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T10A009, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47857
https://doi.org/10.1115/DETC2015-47857
View Paper titled, Understanding the Role of Time-Delay on Maintaining Upright Stance on Rotational Balance Boards
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Topics: Delays, Lumber, Stiffness, Bifurcation, Feedback, Oscillations
Proceedings Papers

Nonlinear Dynamics and Bifurcations in Postural Control on Rigid Surfaces and Rotational Balance Boards

James R. Chagdes, Shirley Rietdyk, Jeffery M. Haddad, Howard N. Zelaznik, Arvind Raman
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 1075-1076, June 20–23, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SBC2012-80802
https://doi.org/10.1115/SBC2012-80802
View Paper titled, Nonlinear Dynamics and Bifurcations in Postural Control on Rigid Surfaces and Rotational Balance Boards
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Topics: Bifurcation, Equilibrium (Physics), Fluctuations (Physics), Lumber, Nonlinear dynamics, Pendulums