Reinforcement learning-based optimal stabilization for unknown nonlinear systems subject to inputs with uncertain constraints

B Zhao, D Liu, C Luo - IEEE Transactions on Neural Networks …, 2019 - ieeexplore.ieee.org
This article presents a novel reinforcement learning strategy that addresses an optimal
stabilizing problem for unknown nonlinear systems subject to uncertain input constraints …

Observer-based adaptive fuzzy fault-tolerant control for stochastic nonstrict-feedback nonlinear systems with input quantization

H Ma, Q Zhou, L Bai, H Liang - IEEE Transactions on Systems …, 2018 - ieeexplore.ieee.org
This paper is focused on the observer-based adaptive fuzzy control problem for nonlinear
stochastic systems with the nonstrict-feedback form, in which some complicated and …

Adaptive fuzzy dynamic surface control of flexible-joint robot systems with input saturation

S Ling, H Wang, PX Liu - IEEE/CAA Journal of Automatica …, 2019 - ieeexplore.ieee.org
In this paper, we propose an adaptive fuzzy dynamic surface control (DSC) scheme for
single-link flexible-joint robotic systems with input saturation. A smooth function is utilized …

Event-triggered adaptive critic control design for discrete-time constrained nonlinear systems

M Ha, D Wang, D Liu - IEEE Transactions on Systems, Man …, 2018 - ieeexplore.ieee.org
In this paper, through event-triggered approach, the constrained near-optimal control
problem for a class of nonlinear discrete-time systems is investigated and solved by heuristic …

Adaptive NN tracking control for uncertain MIMO nonlinear system with time-varying state constraints and disturbances

S Lu, M Chen, Y Liu, S Shao - IEEE Transactions on Neural …, 2022 - ieeexplore.ieee.org
In this article, an adaptive neural network (NN) tracking control scheme is proposed for
uncertain multi-input–multi-output (MIMO) nonlinear system in strict-feedback form subject to …

Optimal fault-tolerant control for discrete-time nonlinear strict-feedback systems based on adaptive critic design

Z Wang, L Liu, Y Wu, H Zhang - IEEE Transactions on Neural …, 2018 - ieeexplore.ieee.org
This paper investigates the problem of optimal fault-tolerant control (FTC) for a class of
unknown nonlinear discrete-time systems with actuator fault in the framework of adaptive …

Optimal neuro-control strategy for nonlinear systems with asymmetric input constraints

X Yang, B Zhao - IEEE/CAA Journal of Automatica Sinica, 2020 - ieeexplore.ieee.org
In this paper, we present an optimal neuro-control scheme for continuous-time (CT)
nonlinear systems with asymmetric input constraints. Initially, we introduce a discounted cost …

Rotary inverted pendulum identification for control by paraconsistent neural network

A de Carvalho, JF Justo, BA Angélico… - IEEE …, 2021 - ieeexplore.ieee.org
Artificial neural networks (ANNs) have been used over the last few decades to perform tasks
by learning with comparisons. Fitting input-output models, system identification, control, and …

Event-triggered constrained control with DHP implementation for nonaffine discrete-time systems

M Ha, D Wang, D Liu - Information Sciences, 2020 - Elsevier
This paper proposes an event-based near-optimal control algorithm for nonaffine discrete-
time systems with constrained inputs. The method is derived from the dual heuristic dynamic …

Adaptive composite suboptimal control for linear singularly perturbed systems with unknown slow dynamics

C Yang, S Zhong, X Liu, W Dai… - International Journal of …, 2020 - Wiley Online Library
In this article, using singular perturbation theory and adaptive dynamic programming (ADP)
approach, an adaptive composite suboptimal control method is proposed for linear …