NDLI: Learning from adaptive neural control with predefined performance for a class of nonlinear systems

Content Provider	IEEE Xplore Digital Library
Author	Wang Min Wang Cong Liu Xiaoping
Copyright Year	2014
Description	Author affiliation: Fac. of Eng., Lakehead Univ., Thunder Bay, ON, Canada (Liu Xiaoping) \|\| Coll. of Autom., South China Univ. of Technol., Guangzhou, China (Wang Min; Wang Cong)
Abstract	This paper presents a neural learning scheme for a class of single-input-single-output (SISO) uncertain nonlinear systems. The proposed scheme achieves knowledge acquisition, storage and reuse of the unknown system dynamics as well as the predefined tracking error behavior bound. Using the novel transformed function, the constrained tracking control problem of the original nonlinear system is transformed into the stabilization problem of an augmented system. By combining a filter tracking error with radial basis function (RBF) neural networks (NNs), a stable adaptive neural control (ANC) scheme is proposed to guarantee the ultimate boundedness of all the signals in the closed-loop system and the prescribed tracking performance. In the steady-state control process, partial persistent excitation (PE) condition of RBF NNs is satisfied during tracking control to recurrent reference orbits. As a result, it is shown that the proposed ANC scheme can acquire and store knowledge of the unknown system dynamics. The stored knowledge is reused to develop neural learning control, so that the improved control performance with the faster tracking convergence rate and the less computational burden is achieved. Specially, the develop neural learning control can also guarantee the prescribed transient and steady tracking performance when the initial condition satisfies the prescribed performance bound. Simulation studies are performed to demonstrate the effectiveness of the proposed scheme.
Starting Page	8871
Ending Page	8876
File Size	284774
Page Count	6
File Format	PDF
ISBN	9789881563873
ISSN	19341768
DOI	10.1109/ChiCC.2014.6896493
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-28
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	TCCT, CAA
Subject Keyword	PE Condition Artificial neural networks Deterministic Learning Orbits Steady-state Adaptive Neural Control Approximation methods Nonlinear systems Transient analysis Predefined Performance Convergence Uncertain Dynamics
Content Type	Text
Resource Type	Article

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