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Subject Keyword Abstract Author
 
 
Adaptive nonlinear control using input normalized neural networks

Henzeh Leeghim
The Journal of Mechanical Science and Technology, vol. 22, no. 6, pp.1073-1083, 2008

Abstract : An adaptive feedback linearization technique combined with the neural network is addressed to control uncertain nonlinear systems. The neural network-based adaptive control theory has been widely studied. However, the stability analysis of the closed-loop system with the neural network is rather complicated and difficult to understand, and sometimes unnecessary assumptions are involved. As a result, unnecessary assumptions for stability analysis are avoided by using the neural network with input normalization technique. The ultimate boundedness of the tracking error is simply proved by the Lyapunov stability theory. A new simple update law as an adaptive nonlinear control is derived by the simplification of the input normalized neural network assuming the variation of the uncertain term is sufficiently small.

Keyword : Adaptive nonlinear control; Feedback; Linearization; Neural networks; Uncertain systems; Input normalization

 
 
 
 
 
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