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Journal Articles

Evaluation of flaw detection algorithm using simulated X-ray computed tomography of ground truth data

Accepted Manuscript
Felix H Kim, Adam L Pintar, John Henry J. Scott, Edward J Garboczi
Journal: Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems
Article Type: Research Papers
ASME J Nondestructive Evaluation.
Paper No: NDE-22-1050
https://doi.org/10.1115/1.4063170
Published Online: August 14, 2023
View Article titled, Evaluation of flaw detection algorithm using simulated X-ray computed tomography of ground truth data
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Topics: Algorithms, Computerized tomography, Flaw detection, Nondestructive evaluation, Errors, Additive manufacturing, Approximation, Image segmentation, Imaging, Optimization
Proceedings Papers

Hybrid Feedforward/Kalman-Filter Controller for Reaction Force Suppression

William W. Clark, Joo H. Kim, Franz J. Shelley
Proc. ASME. IMECE96, Active Control of Vibration and Noise, 379-388, November 17–22, 1996
Paper No: IMECE1996-0943
https://doi.org/10.1115/IMECE1996-0943
View Paper titled, Hybrid Feedforward/Kalman-Filter Controller for Reaction Force Suppression
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Topics: Control equipment, Feedforward control, Kalman filters, Machinery, Algorithms, Bearings, Excitation, Failure, Flexible structures, Signals
Journal Articles

Partition-Aware Stability Control for Humanoid Robot Push Recovery With Whole-Body Capturability

Hyunjong Song, William Z. Peng, Joo H. Kim
Journal: Journal of Mechanisms and Robotics
Article Type: Research Papers
J. Mechanisms Robotics. January 2024, 16(1): 011005.
Paper No: JMR-22-1508
https://doi.org/10.1115/1.4056956
Published Online: March 8, 2023
View Article titled, Partition-Aware Stability Control for Humanoid Robot Push Recovery With Whole-Body Capturability
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Topics: Control equipment, Dynamics (Mechanics), Humanoid robots, Kinematics, Robots, Stability, Construction
Proceedings Papers

Partition-Aware Stability Control for Humanoid Robot Push Recovery

Hyunjong Song, William Z. Peng, Joo H. Kim
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A038, August 14–17, 2022
Paper No: DETC2022-89751
https://doi.org/10.1115/DETC2022-89751
View Paper titled, Partition-Aware Stability Control for Humanoid Robot Push Recovery
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Topics: Humanoid robots, Stability
Proceedings Papers

A Modified Tustin Transformation for Improved Controller Performance With Application to the Electrohydraulic Actuator

Dean H. Kim, Shawn J. Moulton, Tsu-Chin Tsao
Proc. ASME. IMECE99, Fluid Power Systems and Technology, 125-130, November 14–19, 1999
Paper No: IMECE1999-0779
https://doi.org/10.1115/IMECE1999-0779
View Paper titled, A Modified Tustin Transformation for Improved Controller Performance With Application to the Electrohydraulic Actuator
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Topics: Actuators, Control equipment, Design, Fluctuations (Physics), Poles (Building), Signals, Simulation results, Stability, Stiffness
Proceedings Papers

Reduced-Order Model With Foot Tipping Allowance for Legged Balancing

William Z. Peng, Hyunjong Song, Joo H. Kim
Proc. ASME. IDETC-CIE2021, Volume 8B: 45th Mechanisms and Robotics Conference (MR), V08BT08A011, August 17–19, 2021
Paper No: DETC2021-71976
https://doi.org/10.1115/DETC2021-71976
View Paper titled, Reduced-Order Model With Foot Tipping Allowance for Legged Balancing
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Topics: Clearances (Engineering), Pendulums, Optimization, Trajectories (Physics), Engineering simulation, Flywheels, Nonlinear programming, Simulation, Stability
Proceedings Papers

Heat and Mass Transfer Characteristics of a Finned-Tube Evaporator Under Frosting Conditions

Y. H. Kim, Y. J. Park, Y. C. Kim, S. C. Shim, S. K. Oh, J. S. Lee
Proc. ASME. IMECE2001, Process Industries, 109-113, November 11–16, 2001
Paper No: IMECE2001/PID-25612
https://doi.org/10.1115/IMECE2001/PID-25612
View Paper titled, Heat and Mass Transfer Characteristics of a Finned-Tube Evaporator Under Frosting Conditions
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Topics: Heat, Mass transfer, Temperature, Air flow, Evaporation, Heat transfer, Heat transfer coefficients, Refrigerants, Visualization
Proceedings Papers

A Sequential Adjoint Variable Method in Design Sensitivity Analysis of NVH Problems

N. H. Kim, K. K. Choi, J. Dong, C. Pierre, N. Vlahopoulos, Z. D. Ma, M. Castanier
Proc. ASME. IMECE2001, Noise Control and Acoustics, 117-126, November 11–16, 2001
Paper No: IMECE2001/NCA-23511
https://doi.org/10.1115/IMECE2001/NCA-23511
View Paper titled, A Sequential Adjoint Variable Method in Design Sensitivity Analysis of NVH Problems
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Topics: Boundary element methods, Design sensitivity analysis
Proceedings Papers

Dynamic Analysis and Control System Development for a Laboratory Wind Tunnel

Dean H. Kim, Martin J. Morris, Greg M. Leja, Tyler R. Scarlata, Stephen R. Wylie
Proc. ASME. IMECE2000, Dynamic Systems and Control: Volume 1, 71-76, November 5–10, 2000
Paper No: IMECE2000-2286
https://doi.org/10.1115/IMECE2000-2286
View Paper titled, Dynamic Analysis and Control System Development for a Laboratory Wind Tunnel
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Topics: Control systems, Dynamic analysis, Wind tunnels, Mechanical engineering, System dynamics, Computer software, Design education, Design engineering, Dynamic modeling, Education
Proceedings Papers

Development of a Micro-Channel Evaporator Model for a CO 2 Mobile Air-Conditioner

M.-H. Kim, J. M. Yin, C. W. Bullard, P. S. Hrnjak
Proc. ASME. IMECE2000, Advanced Energy Systems, 47-54, November 5–10, 2000
Paper No: IMECE2000-1295
https://doi.org/10.1115/IMECE2000-1295
View Paper titled, Development of a Micro-Channel Evaporator Model for a CO 2 Mobile Air-Conditioner
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Topics: Air conditioners, Carbon dioxide, Microchannels, Heat exchangers, Heat transfer, Pressure drop, Air conditioning, Finite volume methods, Friction, Heat
Journal Articles

Uncertainty Reduction for Model Error Detection in Multiphase Shock Tube Simulation

Chanyoung Park, Samaun Nili, Justin T. Mathew, Frederick Ouellet, Rahul Koneru, Nam H. Kim, Sivaramakrishnan Balachandar, Raphael T. Haftka
Journal: Journal of Verification, Validation and Uncertainty Quantification
Article Type: Research-Article
J. Verif. Valid. Uncert. September 2021, 6(3): 031004.
Paper No: VVUQ-19-1027
https://doi.org/10.1115/1.4051407
Published Online: July 6, 2021
View Article titled, Uncertainty Reduction for Model Error Detection in Multiphase Shock Tube Simulation
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Topics: Errors, Particulate matter, Shock tubes, Simulation, Uncertainty, Uncertainty quantification
Proceedings Papers

A Study of a Sharp 90 Degree Curved Flow

R. H. Kim
Proc. ASME. CIE92, ASME 1992 International Computers in Engineering Conference: Volume 1 — Artificial Intelligence; Expert Systems; CAD/CAM/CAE; Computers in Fluid Mechanics/Thermal Systems, 579-584, August 2–6, 1992
Paper No: CIE1992-0069
https://doi.org/10.1115/CIE1992-0069
View Paper titled, A Study of a Sharp 90 Degree Curved Flow
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Topics: Flow (Dynamics), Turbulence, Air flow, Algebra, Fluids, Kinetic energy, Stress, Temperature distribution
Journal Articles

Stability Region-Based Analysis of Walking and Push Recovery Control

William Z. Peng, Hyunjong Song, Joo H. Kim
Journal: Journal of Mechanisms and Robotics
Article Type: Research Papers
J. Mechanisms Robotics. June 2021, 13(3): 031005.
Paper No: JMR-20-1460
https://doi.org/10.1115/1.4050095
Published Online: March 12, 2021
View Article titled, Stability Region-Based Analysis of Walking and Push Recovery Control
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Topics: Control equipment, Dynamics (Mechanics), Humanoid robots, Kinematics, Optimization, Robots, Stability, Trajectories (Physics)
Proceedings Papers

Computerized Design and Generation of a Helical Gear Drive in Substitution of a Worm-Gear Drive

Faydor L. Litvin, David H. Kim
Proc. ASME. DETC95, Volume 1: 21st Design Automation Conference, 561-568, September 17–20, 1995
Paper No: DETC1995-0074
https://doi.org/10.1115/DETC1995-0074
View Paper titled, Computerized Design and Generation of a Helical Gear Drive in Substitution of a Worm-Gear Drive
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Topics: Design, Helical gears, Worm gears, Computer software, Cutting, Geometry, Grinding, Mechanical drives, Wheels
Proceedings Papers

Cooperatively Planning Sheet Metal Bending

David A. Bourne, Satyandra K. Gupta, Kyoung H. Kim
Proc. ASME. DETC-CIE96, Volume 1: Design for Manufacturing Conference, V001T01A003, August 18–22, 1996
Paper No: 96-DETC/DFM-1269
https://doi.org/10.1115/96-DETC/DFM-1269
View Paper titled, Cooperatively Planning Sheet Metal Bending
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Topics: Design for Manufacturing, Sheet metal, Design, Robotics
Proceedings Papers

Design for Machining Over the Internet

Jae H. Kim, Fu-Chung Wang, Carlo H. Séquin, Paul K. Wright
Proc. ASME. DETC99, Volume 4: 4th Design for Manufacturing Conference, 13-22, September 12–16, 1999
Paper No: DETC99/DFM-8938
https://doi.org/10.1115/DETC99/DFM-8938
View Paper titled, Design for Machining Over the Internet
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Topics: Computer-aided design, Design, Design for Manufacturing, Internet, Machining, Milling, Engineering prototypes, Geometry, Manufacturing, Milling machines
Proceedings Papers

Design Sensitivity Analysis for the Meshfree Shell Structure

Kyung K. Choi, Nam H. Kim, Mark E. Botkin
Proc. ASME. IDETC-CIE2001, Volume 2A: 27th Design Automation Conference, 323-332, September 9–12, 2001
Paper No: DETC2001/DAC-21042
https://doi.org/10.1115/DETC2001/DAC-21042
View Paper titled, Design Sensitivity Analysis for the Meshfree Shell Structure
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Topics: Design sensitivity analysis, Shells
Proceedings Papers

Stability Region-Based Analysis of Walking and Push Recovery Control

William Z. Peng, Hyunjong Song, Joo H. Kim
Proc. ASME. IDETC-CIE2020, Volume 10: 44th Mechanisms and Robotics Conference (MR), V010T10A056, August 17–19, 2020
Paper No: DETC2020-22720
https://doi.org/10.1115/DETC2020-22720
View Paper titled, Stability Region-Based Analysis of Walking and Push Recovery Control
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Topics: Robots, Stability
Journal Articles

Estimating Effect of Additional Sample on Uncertainty Reduction in Reliability Analysis Using Gaussian Process

Sangjune Bae, Chanyoung Park, Nam H. Kim
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. November 2020, 142(11): 111706.
Paper No: MD-19-1811
https://doi.org/10.1115/1.4047002
Published Online: June 16, 2020
View Article titled, Estimating Effect of Additional Sample on Uncertainty Reduction in Reliability Analysis Using Gaussian Process
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Topics: Event history analysis, Failure, Probability, Reliability, Uncertainty, Batteries
Proceedings Papers

Estimation of Uncertainty Change of Reliability in Adaptive Sampling Under Prediction Uncertainty of Gaussian Process

Sangjune Bae, Nam H. Kim
Proc. ASME. IDETC-CIE2019, Volume 2B: 45th Design Automation Conference, V02BT03A035, August 18–21, 2019
Paper No: DETC2019-97472
https://doi.org/10.1115/DETC2019-97472
View Paper titled, Estimation of Uncertainty Change of Reliability in Adaptive Sampling Under Prediction Uncertainty of Gaussian Process
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Topics: Reliability, Uncertainty, Probability, Failure, Simulation