期刊
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
卷 32, 期 11, 页码 4879-4889出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNNLS.2020.3026010
关键词
Discrete-time; H-2 control; neural control; reinforcement learning (RL)
类别
资金
- CONACYT (National Council of Science and Technology) [CONACyT-A1-S-8216]
- CINVESTAV (Center for Research and Advanced Studies of the National Polytechnic Institute) [SEP-CINVESTAV-62]
This article discusses the H-2 control approach for unknown nonlinear systems in discrete time using a discrete-time recurrent neural network to model the system and applying H-2 tracking control based on the neural model. To improve tracking accuracy and robustness, reinforcement learning and another neural approximator are utilized. The stability of the neural identifier and the H-2 tracking control are proven, and the convergence of the approach is demonstrated through control of pan and tilt robots and surge tanks.
In this article, we discuss H-2 control for unknown nonlinear systems in discrete time. A discrete-time recurrent neural network is used to model the nonlinear system, and then, the H-2 tracking control is applied based on the neural model. Since this neural H-2 control is very sensitive to the neural modeling error, we use reinforcement learning and another neural approximator to improve tracking accuracy and robustness of the controller. The stabilities of the neural identifier and the H-2 tracking control are proven. The convergence of the approach is also given. The proposed method is validated with the control of the pan and tilt robot and the surge tank.
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