Search Results - "Chang, Pyung Hun"

Practical Nonsingular Terminal Sliding-Mode Control of Robot Manipulators for High-Accuracy Tracking Control by Maolin Jin, Maolin Jin, Jinoh Lee, Jinoh Lee, Pyung Hun Chang, Pyung Hun Chang, Chintae Choi, Chintae Choi

“…This paper presents a practical nonsingular terminal sliding-mode (TSM) tracking control design for robot manipulators using time-delay estimation (TDE). The…”
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Robust Compliant Motion Control of Robot With Nonlinear Friction Using Time-Delay Estimation by Jin, Maolin, Kang, Sang Hoon, Chang, Pyung Hun

“…A simple robust compliant-motion-control technique is presented for a robot manipulator with nonlinear friction. The control technique incorporates both…”
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A Solution to the Accuracy/Robustness Dilemma in Impedance Control by Sang Hoon Kang, Sang Hoon Kang, Maolin Jin, Maolin Jin, Pyung Hun Chang, Pyung Hun Chang

“…It has been reported that, in impedance control, there exists a dilemma between impedance accuracy and robustness against modeling error. As a solution to this…”
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A Systematic Method for Gain Selection of Robust PID Control for Nonlinear Plants of Second-Order Controller Canonical Form by Pyung Hun Chang, Pyung Hun Chang, Je Hyung Jung, Je Hyung Jung

“…A systematic method to select gains of a discrete proportional-integral-derivative (PID) controller is presented. The PID controller with the gains obtained by…”
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Robust Tracking Under Nonlinear Friction Using Time-Delay Control With Internal Model by Gun Rae Cho, Gun Rae Cho, Pyung Hun Chang, Pyung Hun Chang, Sang Hyun Park, Sang Hyun Park, Maolin Jin, Maolin Jin

“…In this paper, the robustness problem in time-delay control (TDC) is considered in the presence of the nonlinear friction dynamics of robot manipulators. As a…”
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There is No test–retest reliability of brain activation induced by robotic passive hand movement: A functional NIRS study by Bae, Sungjin, Lee, Yonghee, Chang, Pyung‐Hun

“…Introduction The basic paradigm of rehabilitation is based on the brain plasticity, and for promoting it, test–retest reliability (TRR) of brain activation in…”
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Synthesis of a Watt II six-bar linkage in the design of a hand rehabilitation robot by Gezgin, Erkin, Chang, Pyung-Hun, Akhan, Ahmet Faruk

“…As a result of neurological disorders such as stroke, brain and spinal cord injuries, disability in body regions might occur. In case of similar situations,…”
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Design of learning input shaping technique for residual vibration suppression in an industrial robot by Park, Juyi, Chang, Pyung-Hun, Park, Hyung-Soon, Lee, Eunjeong

“…In this paper, a practical method is proposed to suppress residual vibrations of industrial robots without a real-time estimation of vibration frequencies…”
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Adaptive Integral Sliding Mode Control With Time-Delay Estimation for Robot Manipulators by Lee, Junyoung, Chang, Pyung Hun, Jin, Maolin

“…This paper presents an adaptive robust controller for robot manipulators using adaptive integral sliding mode control and time-delay estimation (TDE). The…”
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Differences of the frontal activation patterns by finger and toe movements: A functional MRI study by Lee, Mi Young, Chang, Pyung-Hun, Kwon, Yong Hyun, Jang, Sung Ho

“…► Frontal activation patterns by finger and toe movements were compared. ► Twelve healthy volunteers were recruited for functional MRI. ► The premotor area and…”
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Relative Impedance Control for Dual-Arm Robots Performing Asymmetric Bimanual Tasks by Jinoh Lee, Pyung Hun Chang, Jamisola, Rodrigo S.

“…This paper presents a method of implementing impedance control (with inertia, damping, and stiffness terms) on a dual-arm system by using the relative Jacobian…”
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The cortical activation pattern by a rehabilitation robotic hand: a functional NIRS study by Chang, Pyung-Hun, Lee, Seung-Hee, Gu, Gwang Min, Lee, Seung-Hyun, Jin, Sang-Hyun, Yeo, Sang Seok, Seo, Jeong Pyo, Jang, Sung Ho

“…Clarification of the relationship between external stimuli and brain response has been an important topic in neuroscience and brain rehabilitation. In the…”
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Robust Control of Robot Manipulators Using Inclusive and Enhanced Time Delay Control by Jin, Maolin, Kang, Sang Hoon, Chang, Pyung Hun, Lee, Jinoh

“…Thanks to its simplicity and robustness, time delay control (TDC) has been recognized as a simple and yet effective alternative to robot model-based controls…”
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The cortical activation differences between proximal and distal joint movements of the upper extremities: a functional NIRS study by Yeo, Sang Seok, Chang, Pyung-Hun, Jang, Sung Ho

“…Motor control of musculature of proximal and distal joints has been suggested to differ. However, no study comparing patterns of activation between movements…”
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Variable PID Gain Tuning Method Using Backstepping Control With Time-Delay Estimation and Nonlinear Damping by Lee, Jun Young, Jin, Maolin, Chang, Pyung Hun

“…Proportional-integral-derivative (PID) controllers with constant gains seldom meet desired performance when system dynamics rapidly changes due to unknown…”
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In Vivo Estimation of Human Forearm and Wrist Dynamic Properties by Park, Kyungbin, Chang, Pyung-Hun, Kang, Sang Hoon

“…It is important to estimate the 3 degree-of-freedom (DOF) impedance of human forearm and wrist (i.e., forearm prono-supination, and wrist flexion-extension and…”
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An Adaptive PID Control for Robot Manipulators Under Substantial Payload Variations by Lee, Junyoung, Chang, Pyung Hun, Yu, Byeonggi, Jin, Maolin

“…Significant payload variations often occur in many practical tasks for robotic applications. But its adequate control is a formidable challenge to control…”
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Fuzzy PID controller design using time-delay estimation by Kim, Jinwook, Chang, Pyung-Hun, Jin, Maolin

“…A fuzzy proportional-integral-derivative (PID) controller is designed using time-delay estimation (TDE). In this paper, we show that, in a discrete-time…”
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Stability Guaranteed Time-Delay Control of Manipulators Using Nonlinear Damping and Terminal Sliding Mode by Jin, Y., Chang, P., Jin, M., Gweon, D.

“…Time-delay control has been verified as a simple and robust controller for robot manipulators. However, time-delay estimation (TDE) error inherently exists and…”
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Entropy Could Quantify Brain Activation Induced by Mechanical Impedance-Restrained Active Arm Motion: A Functional NIRS Study by Yu, Byeonggi, Jang, Sung-Ho, Chang, Pyung-Hun

“…Brain activation has been used to understand brain-level events associated with cognitive tasks or physical tasks. As a quantitative measure for brain…”
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