Adaptive optimal coordination control of perturbed Bilateral Teleoperators with variable time delays using Actor–Critic Reinforcement Learning algorithm

PN Dao, QP Nguyen, MH Vu - Mathematics and Computers in Simulation, 2025‏ - Elsevier
In this article, we study the unification of coordination control problem between two sides
and optimal control effectiveness for an unknown Bilateral Teleoperators (BTs) under …

Adaptive control for teleoperation system with varying time delays and input saturation constraints

DH Zhai, Y **a - IEEE Transactions on industrial electronics, 2016‏ - ieeexplore.ieee.org
This paper addresses the adaptive control of teleoperation system with actuator saturation.
To unify the study of actuator saturation, passive/nonpassive external forces, asymmetric …

Novel adaptive finite-time control of teleoperation system with time-varying delays and input saturation

H Zhang, A Song, H Li, S Shen - IEEE transactions on …, 2019‏ - ieeexplore.ieee.org
In this paper, two novel adaptive finite-time control schemes are proposed for position
tracking of nonlinear teleoperation system, which dynamic uncertainties, actuator saturation …

Finite-time control of teleoperation systems with input saturation and varying time delays

DH Zhai, Y **a - IEEE Transactions on Systems, Man, and …, 2016‏ - ieeexplore.ieee.org
This paper develops a finite-time control approach for nonlinear teleoperation systems,
which is capable of unifying the study of model uncertainties, actuator saturation, and …

Fractional-order finite-time sliding mode control for uncertain teleoperated cyber–physical system with actuator fault

Y Qu, Y Ji - ISA transactions, 2024‏ - Elsevier
The stability of the teleoperated cyber–physical system with model uncertainty, external
disturbance, and actuator fault is addressed in this study by using a suitable fractional-order …

Nonlinear RISE based integral reinforcement learning algorithms for perturbed Bilateral Teleoperators with variable time delay

PN Dao, HAN Duc - Neurocomputing, 2024‏ - Elsevier
In view of unknown Bilateral Teleoperators, the simultaneous satisfaction of not only
synchronous control problem between two sides, but also optimal control performance …

Finite‐time convergence for bilateral teleoperation systems with disturbance and time‐varying delays

PN Dao, VT Nguyen, YC Liu - IET Control Theory & …, 2021‏ - Wiley Online Library
This paper addresses the robust finite‐time sliding mode control algorithms for nonlinear
bilateral teleoperators in the presence of variable time delays and disturbances. In this …

Observer-based sliding mode control for bilateral teleoperation with time-varying delays

H Yang, L Liu, Y Wang - Control Engineering Practice, 2019‏ - Elsevier
In this paper, a tracking control scheme is investigated for a bilateral teleoperation system
with time-varying delays and dynamic uncertainties. The tracking control scheme is based …

Position and force tracking in nonlinear teleoperation systems with sandwich linearity in actuators and time-varying delay

S Ganjefar, S Rezaei, F Hashemzadeh - Mechanical Systems and Signal …, 2017‏ - Elsevier
In this paper, a new bounded force feedback control law is proposed to guarantee position
and force tracking in nonlinear teleoperation systems in the presence of passive and …

Fractional-order active fault-tolerant force-position controller design for the legged robots using saturated actuator with unknown bias and gain degradation

Y Farid, VJ Majd, A Ehsani-Seresht - Mechanical Systems and Signal …, 2018‏ - Elsevier
In this paper, a novel fault accommodation strategy is proposed for the legged robots subject
to the actuator faults including actuation bias and effective gain degradation as well as the …