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Jacek Cholewicki
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Journal Articles

Inferring Human Control Intent Using Inverse Linear Quadratic Regulator With Output Penalty Versus Gain Penalty: Better Fit but Similar Intent

Heejin Yu, Ahmed Ramadan, Jacek Cholewicki, John M. Popovich, Jr., N. Peter Reeves, Joshua (Sung) H. You, Jongeun Choi
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. November 2024, 146(6): 061103.
Paper No: DS-23-1255
https://doi.org/10.1115/1.4065593
Published Online: July 16, 2024
View Article titled, Inferring Human Control Intent Using Inverse Linear Quadratic Regulator With Output Penalty Versus Gain Penalty: Better Fit but Similar Intent
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Topics: Control equipment, Errors, Feedback, Goodness-of-fit tests, Human-robot interaction, Motor controls, Optimal control, Optimization, Performance, Robotics
Includes: Supplementary data
Journal Articles

Selecting Sensitive Parameter Subsets in Dynamical Models With Application to Biomechanical System Identification

Ahmed Ramadan, Connor Boss, Jongeun Choi, N. Peter Reeves, Jacek Cholewicki, John M. Popovich,, Jr., Clark J. Radcliffe
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Briefs
J Biomech Eng. July 2018, 140(7): 074503.
Paper No: BIO-17-1452
https://doi.org/10.1115/1.4039677
Published Online: May 8, 2018
View Article titled, Selecting Sensitive Parameter Subsets in Dynamical Models With Application to Biomechanical System Identification
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Topics: Biomechanics, Goodness-of-fit tests, Physiology, Shrinkage (Materials), Errors, Computation
Journal Articles

Time-Domain Optimal Experimental Design in Human Seated Postural Control Testing

M. Cody Priess, Jongeun Choi, Clark Radcliffe, John M. Popovich, Jr., Jacek Cholewicki, N. Peter Reeves
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. May 2015, 137(5): 054501.
Paper No: DS-14-1069
https://doi.org/10.1115/1.4028850
Published Online: May 1, 2015
View Article titled, Time-Domain Optimal Experimental Design in Human Seated Postural Control Testing
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Topics: Algorithms, Experimental design, Optimization, Quadratic programming, Signals, Testing, Modeling, Robots, Feedback
Proceedings Papers

Robust Optimal Experimental Design for Study of the Human Head-Neck Tracking Response

M. Cody Priess, Jongeun Choi, Kyle Crayne, John M. Popovich, Jr., N. Peter Reeves, Jacek Cholewicki, Clark Radcliffe
Proc. ASME. DSCC2012-MOVIC2012, Volume 2: Legged Locomotion; Mechatronic Systems; Mechatronics; Mechatronics for Aquatic Environments; MEMS Control; Model Predictive Control; Modeling and Model-Based Control of Advanced IC Engines; Modeling and Simulation; Multi-Agent and Cooperative Systems; Musculoskeletal Dynamic Systems; Nano Systems; Nonlinear Systems; Nonlinear Systems and Control; Optimal Control; Pattern Recognition and Intelligent Systems; Power and Renewable Energy Systems; Powertrain Systems, 503-510, October 17–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2012-MOVIC2012-8595
https://doi.org/10.1115/DSCC2012-MOVIC2012-8595
View Paper titled, Robust Optimal Experimental Design for Study of the Human Head-Neck Tracking Response
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Topics: Control equipment, Design, Experimental design, Optimization, Rotation, Uncertainty
Proceedings Papers

Optimal Neuromuscular Control of Spine Systems

Yunfei Xu, Jongeun Choi, N. Peter Reeves, Jacek Cholewicki
Proc. ASME. DSCC2009, ASME 2009 Dynamic Systems and Control Conference, Volume 1, 689-696, October 12–14, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2009-2575
https://doi.org/10.1115/DSCC2009-2575
View Paper titled, Optimal Neuromuscular Control of Spine Systems
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Topics: Closed loop systems, Control systems, Control theory, Delays, Design, Feedback, Robustness
Journal Articles

Optimal Control of the Spine System

Yunfei Xu, Jongeun Choi, N. Peter Reeves, Jacek Cholewicki
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. May 2010, 132(5): 051004.
https://doi.org/10.1115/1.4000955
Published Online: March 25, 2010
View Article titled, Optimal Control of the Spine System
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Topics: Closed loop systems, Control equipment, Control systems, Delays, Feedback, Muscle, Optimal control, Robustness, Design
Journal Articles

Relationship Between Muscle Force and Stiffness in the Whole Mammalian Muscle: A Simulation Study

Jacek Cholewicki, Stuart M. McGill
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Papers
J Biomech Eng. August 1995, 117(3): 339–342.
https://doi.org/10.1115/1.2794189
Published Online: August 1, 1995
View Article titled, Relationship Between Muscle Force and Stiffness in the Whole Mammalian Muscle: A Simulation Study
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Topics: Muscle, Simulation, Stiffness, Tendons, Bridges (Structures), Biomechanics, Elasticity, Fibers