1-16 of 16
Young-Tai Choi
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Drop-Induced Shock Mitigation Using Adaptive Magnetorheological Energy Absorbers Incorporating a Time Lag

Young-Tai Choi, Norman M. Wereley
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. February 2015, 137(1): 011010.
Paper No: VIB-14-1127
https://doi.org/10.1115/1.4028747
Published Online: February 1, 2015
View Article titled, Drop-Induced Shock Mitigation Using Adaptive Magnetorheological Energy Absorbers Incorporating a Time Lag
Open the PDF for Drop-Induced Shock Mitigation Using Adaptive Magnetorheological Energy Absorbers Incorporating a Time Lag in another window
Topics: Shock (Mechanics), Equations of motion
Proceedings Papers

Frequency Shaped Semi-Active Control for Magnetorheological Fluid-Based Vibration Control Systems

Young-Tai Choi, Norman M. Wereley, Gregory J. Hiemenz
Proc. ASME. SMASIS2013, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Integrated System Design and Implementation, V001T03A043, September 16–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2013-3268
https://doi.org/10.1115/SMASIS2013-3268
View Paper titled, Frequency Shaped Semi-Active Control for Magnetorheological Fluid-Based Vibration Control Systems
Open the PDF for Frequency Shaped Semi-Active Control for Magnetorheological Fluid-Based Vibration Control Systems in another window
Topics: Fluids, Vibration control, Algorithms, Control equipment, Control algorithms, Dampers, Vibration, Actuators, Design, Energy dissipation
Proceedings Papers

Semi-Active Isolation System Using Self-Powered Magnetorheological Dampers

Young-Tai Choi, Hyun Jeong Song, Norman M. Wereley
Proc. ASME. SMASIS2009, Volume 2: Multifunctional Materials; Enabling Technologies and Integrated System Design; Structural Health Monitoring/NDE; Bio-Inspired Smart Materials and Structures, 295-304, September 21–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2009-1358
https://doi.org/10.1115/SMASIS2009-1358
View Paper titled, Semi-Active Isolation System Using Self-Powered Magnetorheological Dampers
Open the PDF for Semi-Active Isolation System Using Self-Powered Magnetorheological Dampers in another window
Topics: Dampers, Energy harvesting, Vibration isolation, Electromagnetic induction, Electromotive force, Engineering prototypes, Random excitation, Shock (Mechanics), Testing, Vehicles
Proceedings Papers

Optimal Control of Vertically Stroking Crew Seats Employing Magnetorheological Energy Absorbers

Harinder J. Singh, Young-Tai Choi, Norman M. Wereley
Proc. ASME. SMASIS2009, Volume 1: Active Materials, Mechanics and Behavior; Modeling, Simulation and Control, 539-550, September 21–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2009-1361
https://doi.org/10.1115/SMASIS2009-1361
View Paper titled, Optimal Control of Vertically Stroking Crew Seats Employing Magnetorheological Energy Absorbers
Open the PDF for Optimal Control of Vertically Stroking Crew Seats Employing Magnetorheological Energy Absorbers in another window
Topics: Optimal control, Shock (Mechanics), Springs, Dampers, Design, Displacement, Shock isolation, Vibration isolation
Journal Articles

Self-Powered Magnetorheological Dampers

Young-Tai Choi, Norman M. Wereley
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. August 2009, 131(4): 044501.
https://doi.org/10.1115/1.3142882
Published Online: July 14, 2009
View Article titled, Self-Powered Magnetorheological Dampers
Open the PDF for Self-Powered Magnetorheological Dampers in another window
Topics: Dampers, Energy harvesting, Engines, Vibration isolation
Proceedings Papers

Performance Analysis of Magnetorheological Energy Absorbers Under Impact Conditions

Min Mao, Wei Hu, Young-Tai Choi, Norman M. Wereley, Alan L. Browne, John Ulicny
Proc. ASME. SMASIS2008, Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1, 625-633, October 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2008-379
https://doi.org/10.1115/SMASIS2008-379
View Paper titled, Performance Analysis of Magnetorheological Energy Absorbers Under Impact Conditions
Open the PDF for Performance Analysis of Magnetorheological Energy Absorbers Under Impact Conditions in another window
Topics: Design, Fluid mechanics, Manufacturing, Reynolds number, Shock (Mechanics), Spectra (Spectroscopy), Testing, Transients (Dynamics), Vibration
Proceedings Papers

Experimental Detection and Quantitative Interrogation of Damage in a Jointed Composite Structure

Vanessa Gentzen, Young-Tai Choi, Ashish S. Purekar, Norman M. Wereley
Proc. ASME. SMASIS2008, Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 159-166, October 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2008-487
https://doi.org/10.1115/SMASIS2008-487
View Paper titled, Experimental Detection and Quantitative Interrogation of Damage in a Jointed Composite Structure
Open the PDF for Experimental Detection and Quantitative Interrogation of Damage in a Jointed Composite Structure in another window
Topics: Composite materials, Damage, Excitation, Pattern recognition, Signals, Algorithms, Frequency response, Piezoelectric transducers, Sensors, Structural health monitoring
Proceedings Papers

Energy Harvesting Utilizing Single Crystal PMN-PT Material

Hyun Jeong Song, Young-Tai Choi, Gang Wang, Norman M. Wereley
Proc. ASME. SMASIS2008, Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1, 815-822, October 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2008-523
https://doi.org/10.1115/SMASIS2008-523
View Paper titled, Energy Harvesting Utilizing Single Crystal PMN-PT Material
Open the PDF for Energy Harvesting Utilizing Single Crystal PMN-PT Material in another window
Topics: Crystals, Energy harvesting, Accelerometers, Cantilever beams, Electric load, Magnesium (Metal), Vibration
Proceedings Papers

Torque Loss and Crack Monitoring Near Fasteners for Isotropic and Composite Helicopter Tail Boom Structural Models

Young-Tai Choi, Ashish S. Purekar, Norman M. Wereley
Proc. ASME. SMASIS2008, Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 193-200, October 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2008-531
https://doi.org/10.1115/SMASIS2008-531
View Paper titled, Torque Loss and Crack Monitoring Near Fasteners for Isotropic and Composite Helicopter Tail Boom Structural Models
Open the PDF for Torque Loss and Crack Monitoring Near Fasteners for Isotropic and Composite Helicopter Tail Boom Structural Models in another window
Topics: Composite materials, Fasteners, Fracture (Materials), Torque, Damage, Structural health monitoring, Ultrasonics, Aerospace industry, Computer software, Crack propagation
Proceedings Papers

Analysis of Energy Harvesting Devices Using Macro-Fiber Composite Materials

Hyun Jeong Song, Young-Tai Choi, Norman M. Wereley, Ashish S. Purekar
Proc. ASME. IDETC-CIE2007, Volume 1: 21st Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 289-298, September 4–7, 2007
Publisher: American Society of Mechanical Engineers
Paper No: DETC2007-35786
https://doi.org/10.1115/DETC2007-35786
View Paper titled, Analysis of Energy Harvesting Devices Using Macro-Fiber Composite Materials
Open the PDF for Analysis of Energy Harvesting Devices Using Macro-Fiber Composite Materials in another window
Topics: Composite materials, Energy harvesting, Fibers, Electrical resistance, Cantilever beams, Design, Excitation, Modeling, Performance characterization
Proceedings Papers

Vibration Isolation of Precision Payloads for Aerial Vehicles Using Magnetorheological Isolators

Young-Tai Choi, Mikel Brigley, Norman M. Wereley
Proc. ASME. IDETC-CIE2005, Volume 1: 20th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 2365-2373, September 24–28, 2005
Publisher: American Society of Mechanical Engineers
Paper No: DETC2005-85263
https://doi.org/10.1115/DETC2005-85263
View Paper titled, Vibration Isolation of Precision Payloads for Aerial Vehicles Using Magnetorheological Isolators
Open the PDF for Vibration Isolation of Precision Payloads for Aerial Vehicles Using Magnetorheological Isolators in another window
Topics: Aircraft, Vibration isolation, Damping, Magnetic fields, Control algorithms, Equations of motion, Excitation, Fluids, Lumped parameter models, Manufacturing
Proceedings Papers

Mitigation of Biodynamic Response to Vibratory and Blast-Induced Shock Loads Using Magnetorheological Seat Suspensions

Young-Tai Choi, Norman M. Wereley
Proc. ASME. IMECE2003, Aerospace, 377-387, November 15–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2003-43313
https://doi.org/10.1115/IMECE2003-43313
View Paper titled, Mitigation of Biodynamic Response to Vibratory and Blast-Induced Shock Loads Using Magnetorheological Seat Suspensions
Open the PDF for Mitigation of Biodynamic Response to Vibratory and Blast-Induced Shock Loads Using Magnetorheological Seat Suspensions in another window
Topics: Shock (Mechanics), Stress, Excitation, Lumped parameter models, Random vibration, Algorithms, Dampers, Equations of motion, Explosions, Military vehicles
Proceedings Papers

Quasi-Steady Analysis of a Magnetorheological Dashpot Damper

Young-Tai Choi, Norman M. Wereley
Proc. ASME. IMECE2004, Aerospace, 287-293, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-62378
https://doi.org/10.1115/IMECE2004-62378
View Paper titled, Quasi-Steady Analysis of a Magnetorheological Dashpot Damper
Open the PDF for Quasi-Steady Analysis of a Magnetorheological Dashpot Damper in another window
Topics: Dampers, Shock absorbers, Damping, Flow (Dynamics), Fluids, Shear flow, Computer simulation, Constitutive equations, Pistons, Shear stress
Journal Articles

Shock Isolation Systems Using Magnetorheological Dampers

Young-Tai Choi, Norman M. Wereley
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. April 2008, 130(2): 024503.
https://doi.org/10.1115/1.2775517
Published Online: February 6, 2008
View Article titled, Shock Isolation Systems Using Magnetorheological Dampers
Open the PDF for Shock Isolation Systems Using Magnetorheological Dampers in another window
Topics: Dampers, Shock (Mechanics), Shock isolation, Sliding mode control, Stress, Waves
Proceedings Papers

Double Adjustable Magnetorheological Dampers for a Gun Recoil System

Young-Tai Choi, Jin-Hyeong Yoo, Norman M. Wereley
Proc. ASME. IMECE2005, Aerospace, 429-438, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-82849
https://doi.org/10.1115/IMECE2005-82849
View Paper titled, Double Adjustable Magnetorheological Dampers for a Gun Recoil System
Open the PDF for Double Adjustable Magnetorheological Dampers for a Gun Recoil System in another window
Topics: Dampers, Shock (Mechanics), Control algorithms, Flow (Dynamics), Firing, Magnetic fields, Pistons, Pressure
Proceedings Papers

Self-Powered Magnetorheological Dampers

Young-Tai Choi, Norman M. Wereley
Proc. ASME. IMECE2006, Aerospace, 323-329, November 5–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2006-15317
https://doi.org/10.1115/IMECE2006-15317
View Paper titled, Self-Powered Magnetorheological Dampers
Open the PDF for Self-Powered Magnetorheological Dampers in another window
Topics: Dampers, Energy harvesting, Engines, Shock (Mechanics), Vibration isolation, Equations of motion, Excitation, Permanent magnets, Springs, Stators