Search Results - "Cho, Hancheol"

An Adaptive Control Methodology for Spacecraft Attitude Tracking under Model and Environmental Uncertainties by Cho, Hancheol

“…This study investigates the attitude tracking problem for rigid spacecraft under model and environmental uncertainties. Two different control laws are…”
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On Robust Adaptive PD Control of Robot Manipulators by Hancheol Cho

“…In this study, an adaptive proportional-derivative (PD) control scheme is proposed for trajectory tracking of multi-degree-of-freedom robot manipulators in the…”
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Adaptive smooth control for nonlinear uncertain systems by Cho, Hancheol, Kerschen, Gaëtan, Oliveira, Tiago Roux

“…This paper presents an adaptive smooth controller for a class of nonlinear dynamical systems in the presence of bounded uncertainties with unknown bounds…”
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Model Predictive Control Tuning by Inverse Matching for a Wave Energy Converter by Cho, Hancheol, Bacelli, Giorgio, Coe, Ryan G.

“…This paper investigates the application of a method to find the cost function or the weight matrices to be used in model predictive control (MPC) such that the…”
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Analytic Solution to Optimal Reconfigurations of Satellite Formation Flying in Circular Orbit under J2 Perturbation by Cho, Hancheol, Park, Sang-Young, Park, Han-Earl, Choi, Kyu-Hong

“…This paper presents an analytic solution to the optimal reconfiguration problem of satellite formation flying in J 2 orbital perturbation. Continuous and…”
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Energy-optimal reconfiguration of satellite formation flying in the presence of uncertainties by Cho, Hancheol

“…In this study, a two-step control methodology is developed for energy-optimal reconfiguration of satellites in formation in the presence of uncertainties or…”
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On Hamel’s paradox by Wanichanon, Thanapat, Cho, Hancheol

“…In his book Hamel pointed out through an example that the embedding of a nonholonomic constraint directly in the Lagrangian of an unconstrained mechanical…”
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Metric to evaluate distribution shift from behavioral cloning for fuel-optimal landing policies by Mulekar, Omkar S., Bevilacqua, Riccardo, Cho, Hancheol

“…The development of robust fuel-optimal feedback controllers for the pinpoint landing problem has application to a variety of aerospace vehicles including lunar…”
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Neural network based feedback optimal control for pinpoint landers under disturbances by Mulekar, Omkar S., Cho, Hancheol, Bevilacqua, Riccardo

“…Imitation learning leverages example demonstrations to teach a policy to replicate a desired behavior. In this investigation, the example demonstrations…”
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Autonomous Precision Control of Satellite Formation Flight under Unknown Time-Varying Model and Environmental Uncertainties by Cho, Hancheol, Udwadia, Firdaus E., Wanichanon, Thanapat

“…This paper presents a new methodology for autonomous precision control of satellite formations in the presence of uncertainties and external disturbances. The…”
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Continuous sliding mode controllers for multi-input multi-output systems by Cho, Hancheol, Wanichanon, Thanapat, Udwadia, Firdaus E.

“…This paper develops new continuous sliding mode controllers for multi-input multi-output mechanical systems in the presence of unknown, but bounded…”
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Application of Analytic Solution in Relative Motion to Spacecraft Formation Flying in Elliptic Orbit by Cho, Han-Cheol, Park, Sang-Young, Choi, Kyu-Hong

“…The current paper presents application of a new analytic solution in general relative motion to spacecraft formation flying in an elliptic orbit. The calculus…”
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Simple adaptive methodology for chattering-free sliding mode control by Hancheol Cho, Kerschen, Gaetan

“…This paper presents a new adaptive methodology for sliding mode control of a nonlinear dynamical system in the presence of unknown, but bounded uncertainties…”
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Experimental validation of inertia parameters and attitude estimation of uncooperative space targets using solid state LIDAR by Nocerino, Alessia, Opromolla, Roberto, Fasano, Giancarmine, Grassi, Michele, Fontdegloria Balaguer, Pol, John, Spencer, Cho, Hancheol, Bevilacqua, Riccardo

“…This paper presents an experimental activity aimed at assessing performance of techniques for inertia and attitude parameters estimation of an uncooperative…”
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New Approach to Satellite Formation-Keeping: Exact Solution to the Full Nonlinear Problem by Cho, Hancheol, Yu, Adam

“…This paper presents a new, simple, and exact solution to the formation keeping of satellites when the relative distance between the satellites is so large that…”
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Explicit solution to the full nonlinear problem for satellite formation-keeping by Cho, Hancheol, Udwadia, Firdaus E.

“…This paper presents simple and exact formation-keeping guidance schemes that use a new method that is rooted in some recent advances in analytical dynamics. As…”
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Analytical solution to optimal relocation of satellite formation flying in arbitrary elliptic orbits by Cho, Hancheol, Park, Sang-Young, Yoo, Sung-Moon, Choi, Kyu-Hong

“…The current paper presents and examines a general analytical solution to the optimal reconfiguration problem of satellite formation flying in an arbitrary…”
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Analytic Solution to Optimal Reconfigurations of Satellite Formation Flying in Circular Orbit under Perturbation by Cho, Hancheol, Park, Sang-Young, Park, Han-Earl, Choi, Kyu-Hong

“…This paper presents an analytic solution to the optimal reconfiguration problem of satellite formation flying in orbital perturbation. Continuous and variable…”
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Analytic Solution to Optimal Reconfigurations of Satellite Formation Flying in Circular Orbit under $J_2$ Perturbation by Cho, Hancheol, Park, Sang-Young, Park, Han-Earl, Choi, Kyu-Hong

“…This paper presents an analytic solution to the optimal reconfiguration problem of satellite formation flying in $J_2$ orbital perturbation. Continuous and…”
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Adaptive Smooth Control via Nonsingular Fast Terminal Sliding Mode for Distributed Space Telescope Demonstration Mission by CubeSat Formation Flying by Jeon, Soobin, Cho, Hancheol, Park, Sang-Young

“…This paper investigates the efficiency of nonsingular fast terminal sliding mode and adaptive smooth control method for the distributed space telescope…”
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