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Works (28)

Regulation of Feedforward Nonlinear Systems Under Unknown Time-varying Multiple Delays via Dynamic Gain Control

International Journal of Control, Automation and Systems
2025-03-10 | Journal article
DOI: 10.1007/s12555-023-0740-9
Contributors: Sang-Young Oh; Ho-Lim Choi
Source: check_circle
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Adaptive Zero-Order-Hold Triggered Control of a Chain of Integrators With Unknown Input Delay and Interexecution Time by Output Feedback

IEEE Transactions on Automatic Control
2025-02 | Journal article
DOI: 10.1109/TAC.2024.3454162
Contributors: Sang-Young Oh; Ho-Lim Choi
Source: check_circle
Crossref

Global regulation of almost feedforward nonlinear systems by an adaptive event‐triggered controller with multi‐triggering conditions

International Journal of Robust and Nonlinear Control
2024-05-10 | Journal article
DOI: 10.1002/rnc.7235
Contributors: Sang‐Young Oh; Ho‐Lim Choi
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Event‐triggered adaptive output feedback regulation of a chain of integrators with an unknown time‐varying delay in the input

International Journal of Adaptive Control and Signal Processing
2024-04 | Journal article
DOI: 10.1002/acs.3755
Contributors: Sang‐Young Oh; Ho‐Lim Choi
Source: check_circle
Crossref

Global Stabilization of a Chain of Integrators by Event-triggered Control With a Two-gain Selection Algorithm

International Journal of Control, Automation and Systems
2023-07 | Journal article
DOI: 10.1007/s12555-022-0762-8
Contributors: Sang-Young Oh; Ho-Lim Choi
Source: check_circle
Crossref

On robust approximate feedback linearisation with an event-triggered controller

International Journal of Systems Science
2023-05-19 | Journal article
DOI: 10.1080/00207721.2023.2177901
Contributors: Ji-Sun Park; Sang-Young Oh; Ho-Lim Choi
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Crossref

Control of a Chain of Power Integrators with High-order Nonlinearity: A Bi-directional Approach

International Journal of Control, Automation and Systems
2023-01 | Journal article
DOI: 10.1007/s12555-021-0826-1
Contributors: Sang-Young Oh; Ho-Lim Choi
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An Event-triggered γ-sliding Mode Controller for Hovering Control of a Quadrotor with Uncertain Time-varying Mass and External Disturbance

International Journal of Control, Automation and Systems
2022-10 | Journal article
DOI: 10.1007/s12555-021-0574-2
Contributors: Yeong-Cheol Um; Sang-Young Oh; Ho-Lim Choi
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Global Regulation of a Chain of Integrators with an Unknown Delay in the Input via Reduced-order Observer Based Output Feedback with a Gain-scaling Factor

International Journal of Control, Automation and Systems
2022-09 | Journal article
DOI: 10.1007/s12555-021-0543-9
Contributors: Ji-Sun Park; Sang-Young Oh; Ho-Lim Choi
Source: check_circle
Crossref

Integral $$\gamma$$-Sliding Mode Control for a Quadrotor with Uncertain Time-Varying Mass and External Disturbance

Journal of Electrical Engineering & Technology
2022-01 | Journal article
DOI: 10.1007/s42835-021-00929-9
Contributors: Yeong-Cheol Um; Ho-Lim Choi
Source: check_circle
Crossref

Global exponential stabilisation of nonlinear systems by reduced-order observer-based output feedback control via matrix inequality approach

International Journal of Systems Science
2021-11-18 | Journal article
DOI: 10.1080/00207721.2021.1925992
Contributors: Sang-Young Oh; Ho-Lim Choi
Source: check_circle
Crossref

Improved Controller Design with Two Gain-scaling Factors for Global Asymptotic Stabilization of Nonlinear Systems via Matrix Inequality Approach

International Journal of Control, Automation and Systems
2021-10 | Journal article
DOI: 10.1007/s12555-020-0770-5
Contributors: Sang-Young Oh; Ho-Lim Choi
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Crossref

Correction to: Regulation of a Class of Nonlinear Systems with Unknown Growth Rate Under Uncertain Measurement Sensitivity

Journal of Electrical Engineering & Technology
2021-09 | Journal article
DOI: 10.1007/s42835-021-00826-1
Contributors: Sang-Young Oh; Ho-Lim Choi
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Crossref

Regulation of a Class of Nonlinear Systems with Unknown Growth Rate Under Uncertain Measurement Sensitivity

Journal of Electrical Engineering & Technology
2021-09 | Journal article
DOI: 10.1007/s42835-021-00783-9
Contributors: Sang-Young Oh; Ho-Lim Choi
Source: check_circle
Crossref

State feedback regulation of high-order feedforward nonlinear systems with delays in the state and input under measurement sensitivity

International Journal of Systems Science
2021-07-27 | Journal article
DOI: 10.1080/00207721.2021.1876275
Contributors: Min-Sung Koo; Ho-Lim Choi
Source: check_circle
Crossref

Global regulation of high-order feedforward and non-feedforward systems with unknown time-varying delays in states and input

International Journal of Control
2021-06-03 | Journal article
DOI: 10.1080/00207179.2019.1662093
Contributors: Min-Sung Koo; Ho-Lim Choi
Source: check_circle
Crossref

Global exponential stabilization for a class of nonlinear systems by output feedback control with three gain‐scaling factors

International Journal of Robust and Nonlinear Control
2021-02 | Journal article
DOI: 10.1002/rnc.5309
Contributors: Sang‐Young Oh; Ho‐Lim Choi
Source: check_circle
Crossref

On Robust Approximate Feedback Linearization: Control with Two Gain-scaling Factors

International Journal of Control, Automation and Systems
2021-02 | Journal article
DOI: 10.1007/s12555-020-0120-7
Contributors: Sang-Young Oh; Ho-Lim Choi
Source: check_circle
Crossref

Adaptive control of feedforward nonlinear systems with uncertain time‐varying parameters and an unknown time‐varying delay in the input

International Journal of Adaptive Control and Signal Processing
2020-09 | Journal article
DOI: 10.1002/acs.3142
Contributors: Sang‐Young Oh; Ho‐Lim Choi
Source: check_circle
Crossref

Modified bang‐bang controller for maximal and minimal time optimal control problems

Asian Journal of Control
2020-09 | Journal article
DOI: 10.1002/asjc.2086
Contributors: Kyung‐Tae Lee; Sang‐Young Oh; Ho‐Lim Choi
Source: check_circle
Crossref

Output Feedback Regulation of a Class of Lower Triangular Nonlinear Systems with Arbitrary Unknown Measurement Sensitivity

International Journal of Control, Automation and Systems
2020-09 | Journal article
DOI: 10.1007/s12555-019-0721-1
Contributors: Min-Sung Koo; Ho-Lim Choi
Source: check_circle
Crossref

Output feedback regulation of a class of high‐order feedforward nonlinear systems with unknown time‐varying delay in the input under measurement sensitivity

International Journal of Robust and Nonlinear Control
2020-08 | Journal article
DOI: 10.1002/rnc.4998
Contributors: Min‐Sung Koo; Ho‐Lim Choi
Source: check_circle
Crossref

Robust control for nonlinear systems with uncertain time-varying parameters coupled with non-triangular terms

International Journal of Systems Science
2020-02-17 | Journal article
DOI: 10.1080/00207721.2020.1716277
Contributors: Sang-Young Oh; Ho-Lim Choi
Source: check_circle
Crossref

A Further Result on Global Stabilization of a Class of Nonlinear Systems by Output Feedback with Unknown Measurement Sensitivity

International Journal of Control, Automation and Systems
2019-10 | Journal article
DOI: 10.1007/s12555-019-0033-5
Contributors: Sang-Young Oh; Ho-Lim Choi
Source: check_circle
Crossref

Robust observer‐based output feedback controller for nonlinear systems with uncertain triangular and nontriangular nonlinearities and diagonal terms

International Journal of Robust and Nonlinear Control
2019-03-10 | Journal article
DOI: 10.1002/rnc.4425
Contributors: Sang‐Young Oh; Ho‐Lim Choi
Source: check_circle
Crossref

Robust optimal control during feedback disruption for nonlinear systems controlled by an observer-based output feedback controller

International Journal of Systems Science
2018-12-10 | Journal article
DOI: 10.1080/00207721.2018.1541263
Contributors: Sang Young Oh; Ho Lim Choi
Source: check_circle
Crossref

Robust Optimal Control of Nonlinear Systems With System Disturbance During Feedback Disruption

Asian Journal of Control
2018-09 | Journal article
DOI: 10.1002/asjc.1695
Contributors: Sang‐Young Oh; Ho‐Lim Choi
Source: check_circle
Crossref

Robust approximate feedback linearisation control for nonlinear systems with uncertain parameters and external disturbance: its application to an electromagnetic levitation system

International Journal of Systems Science
2018-09-10 | Journal article
DOI: 10.1080/00207721.2018.1510058
Contributors: Sang-Young Oh; Ho-Lim Choi
Source: check_circle
Crossref
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