Guaranteed cost neural tracking control for a class of uncertain nonlinear systems using adaptive dynamic programming
Yang, Xiong; Liu, Derong; Wei, Qinglai; Wang, Ding
2016
发表期刊Neurocomputing
卷号198期号:wu页码:80
摘要This paper presents an adaptive dynamic programming-based guaranteed cost neural tracking control algorithm for a class of continuous-time matched uncertain nonlinear systems. By introducing an augmented system and employing a modified cost function with a discount factor, the guaranteed cost tracking control problem is transformed into an optimal tracking control problem. Unlike existing optimal tracking control algorithms often requiring the control matrix to be invertible, the developed control algorithm relaxes this restrictive condition under the assumption that the system is controllable. A single critic neural network (NN) is constructed to approximate the solution of the modified Hamilton-Jacobi-Bellman equation corresponding to the nominal augmented error dynamics. Utilizing the newly developed critic NN, the optimal tracking control can be derived without policy iteration. All signals in the closed-loop system are proved to be uniformly ultimately bounded via Lyapunov's direct method. In addition, the developed control scheme is verified to guarantee that the tracking errors converge to an adjustable neighborhood of the origin. Two numerical examples are provided to illustrate the effectiveness and applicability of the developed approach.
关键词Adaptive Dynamic Programming Guaranteed Cost Control Hamilton-jacobi-bellman Equation Neural Network Nonlinear System Reinforcement Learning
DOI10.1016/j.neucom.2015.08.119
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/13636
专题复杂系统管理与控制国家重点实验室_平行控制
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GB/T 7714
Yang, Xiong,Liu, Derong,Wei, Qinglai,et al. Guaranteed cost neural tracking control for a class of uncertain nonlinear systems using adaptive dynamic programming[J]. Neurocomputing,2016,198(wu):80.
APA Yang, Xiong,Liu, Derong,Wei, Qinglai,&Wang, Ding.(2016).Guaranteed cost neural tracking control for a class of uncertain nonlinear systems using adaptive dynamic programming.Neurocomputing,198(wu),80.
MLA Yang, Xiong,et al."Guaranteed cost neural tracking control for a class of uncertain nonlinear systems using adaptive dynamic programming".Neurocomputing 198.wu(2016):80.
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