Dr. Young-Tai Choi Profile

Dr. Young-Tai Choi

Assistant Research Scientist at Univ of Maryland College Park

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 31 March 2012 Paper

A bi-annular-gap magnetorheological energy absorber for shock and vibration mitigation

Xian-Xu Bai, Norman Wereley, Young-Tai Choi, Dai-Hua Wang

Proceedings Volume 8341, 834123 (2012) https://doi.org/10.1117/12.917479

KEYWORDS: Magnetism, Electromagnetism, Protactinium, Finite element methods, Fluid dynamics, Electrical breakdown, Power supplies, Bismuth, Magnetorheological finishing, Performance modeling

Read Abstract +

Proceedings Article | 27 April 2011 Paper

Semi-active magnetoreheological refueling probe systems for aerial refueling events

Young-Tai Choi, Norman Wereley

Proceedings Volume 7977, 79770X (2011) https://doi.org/10.1117/12.885631

KEYWORDS: Receivers, Aerodynamics, Fourier transforms, Connectors, Aerospace engineering, Signal attenuation, Smart structures, System integration, Current controlled current source, Astatine

Read Abstract +

Proceedings Article | 7 April 2009 Paper

Performance robustness of a magnetorheological seat suspension to temperature variations using skyhook control

Nicholas Wilson, Norman Wereley, Young-Tai Choi, Gregory Hiemenz, Wei Hu

Proceedings Volume 7288, 72880T (2009) https://doi.org/10.1117/12.817739

KEYWORDS: Control systems, Optical isolators, Temperature metrology, Vibration isolation, Performance modeling, Numerical simulations, Sensors, Liquids, Nitrogen, Affine motion model

Read Abstract +

Proceedings Article | 16 May 2005 Paper

Effective design strategy for a magneto-rheological damper using a nonlinear flow model

Min Mao, Young-Tai Choi, Norman Wereley

Proceedings Volume 5760, (2005) https://doi.org/10.1117/12.601061

KEYWORDS: Fluid dynamics, Bismuth, Motion models, Magnetism, Computer simulations, Amplifiers, Instrument modeling, Solids, Performance modeling, Testing and analysis

Read Abstract +

Proceedings Article | 29 July 2004 Paper

Shock isolation systems using magnetorheological dampers

Young-Tai Choi, Norman Wereley

Proceedings Volume 5386, (2004) https://doi.org/10.1117/12.540049

KEYWORDS: Control systems, Commercial off the shelf technology, Device simulation, Motion models, Active isolation, Actuators, Systems modeling, Electronic components, Defense technologies, Defense and security

Read Abstract +

Proceedings Article | 26 July 2004 Paper

Wheel slip control of ABS using ER valve pressure modulator

Seung-Bok Choi, Myung-Soo Cho, Yong-Il Kim, Young-Tai Choi, Norman Wereley

Proceedings Volume 5390, (2004) https://doi.org/10.1117/12.532691

KEYWORDS: Modulators, Actuators, Control systems, Device simulation, Fluid dynamics, Bridges, Motion models, Systems modeling, Sensors, Logic

Read Abstract +

Proceedings Article | 26 July 2004 Paper

Vibration control of flexible structures using MR and piezoceramic mounts

Seung-Bok Choi, Sung-Ryong Hong, Young-Tai Choi, Norman M. Wereley

Proceedings Volume 5390, (2004) https://doi.org/10.1117/12.532825

KEYWORDS: Actuators, Vibration control, Control systems, Magnetism, Dynamical systems, Electromagnetism, Amplifiers, Vibration isolation, Fluid dynamics, Signal attenuation

Read Abstract +

Proceedings Article | 5 August 2003 Paper

Mitigation of biodynamic response to vibratory and blast-induced shock loads using magnetorheological seat suspensions

Young-Tai Choi, Norman Wereley

Proceedings Volume 5056, (2003) https://doi.org/10.1117/12.483490

KEYWORDS: Injuries, Nonlinear control, Head, Motion models, Signal attenuation, Land mines, Algorithm development, Complex systems, Feedback control, Spine

Read Abstract +

Proceedings Article | 31 July 2003 Paper

Constitutive models of electrorheological and magnetorheological fluids using viscometers

Jung Ung Cho, Young-Tai Choi, Norman Wereley

Proceedings Volume 5052, (2003) https://doi.org/10.1117/12.483975

KEYWORDS: Bismuth, Mathematical modeling, Fluid dynamics, Particles, Microfluidics, Magnetism, Measurement devices, Protactinium, Data modeling, Smart structures

Read Abstract +

Proceedings Article | 27 June 2002 Paper

Electrorheological damper analysis using an Eyring-plastic model

Lionel Bitman, Young-Tai Choi, Norman Wereley

Proceedings Volume 4697, (2002) https://doi.org/10.1117/12.472667

KEYWORDS: Data modeling, Modeling, Mathematical modeling, Electrodes, Actuators, Head, Electronic filtering, Systems modeling, Control systems design, Smart structures

Read Abstract +

Proceedings Article | 27 June 2002 Paper

Comparative analysis of Bingham characteristics of ER/MR fluids with different viscometers

Young-Tai Choi, Norman Wereley

Proceedings Volume 4697, (2002) https://doi.org/10.1117/12.472651

KEYWORDS: Error analysis, Velocity measurements, Smart materials, Fluid dynamics, Protactinium, Smart structures, Aerospace engineering, Motion measurement, Mathematics, Algorithms

Read Abstract +

Proceedings Article | 27 June 2002 Paper

Semi-active vibration isolation using magnetorheological isolators

Young-Tai Choi, Norman Wereley, Young-Sik Jeon

Proceedings Volume 4697, (2002) https://doi.org/10.1117/12.472663

KEYWORDS: Optical isolators, Vibration isolation, Control systems, Performance modeling, Actuators, Manufacturing, Design for manufacturability, Complex systems, Motion models, Systems modeling

Read Abstract +

Proceedings Article | 2 July 2001 Paper

Assessment of time response characteristics of electrorheological and magnetorheological dampers

Young-Tai Choi, Norman Wereley

Proceedings Volume 4331, (2001) https://doi.org/10.1117/12.432693

KEYWORDS: Fluid dynamics, Bismuth, Analytical research, Systems modeling, Magnetism, Performance modeling, Head, Partial differential equations, Protactinium, Dielectrics

Read Abstract +

Proceedings Article | 20 April 2000 Paper

Seismic control of civil structures utilizing semiactive MR bracing systems

Gregory Hiemenz, Young-Tai Choi, Norman Wereley

Proceedings Volume 3988, (2000) https://doi.org/10.1117/12.383141

KEYWORDS: Earthquakes, Control systems, Electroluminescence, Buildings, Actuators, Analytical research, Device simulation, Systems modeling, Magnetism, Computer simulations

Read Abstract +

Showing 5 of 14 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years