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Adaptive neural network control for a class of uncertain nonlinear systems with unknown control directions

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1 Author(s)
Gang Chen ; College of Automation, Chongqing University, 400044, CHINA

A robust adaptive neural network control scheme is proposed for a class of strict-feedback nonlinear systems with unknown control directions and unmodeled dynamics. The proposed design method expands the class of nonlinear systems for which robust adaptive control approaches have been studied. A priori knowledge of the signs of the control directions is not required. It is proved that under the proposed control law, all the closed-loop signals are uniformly ultimately bounded and the output asymptotically converges to zero. Simulation study is provided to verify the theoretical results.

Published in:

Intelligent Control and Automation, 2008. WCICA 2008. 7th World Congress on

Date of Conference:

25-27 June 2008