@ARTICLE{10171231, author={Li, Shu and Ding, Liang and Zheng, Miao and Liu, Zixuan and Li, Xinyu and Yang, Huaiguang and Gao, Haibo and Deng, Zongquan}, journal={IEEE Transactions on Neural Networks and Learning Systems}, title={NN-Based Reinforcement Learning Optimal Control for Inequality-Constrained Nonlinear Discrete-Time Systems With Disturbances}, year={2023}, volume={}, number={}, pages={1-10}, keywords={Artificial neural networks;Optimal control;Upper bound;Lyapunov methods;Discrete-time systems;Cost function;Uncertainty;Discrete time;neural networks (NNs);reinforcement learning (RL);state constraints;worst-case disturbance}, doi={10.1109/TNNLS.2023.3287881}}