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Title: Robust adaptive fuzzy-neural controllers for uncertain nonlinear systems
Authors: 國立臺灣師範大學電機工程學系
Y.-G. Leu
W.-Y. Wang
T.-T. Lee
Issue Date: 1-Oct-1999
Publisher: IEEE Robotics and Automation Society
Abstract: A robust adaptive fuzzy-neural controller for a class of unknown nonlinear dynamic systems with external disturbances is proposed. The fuzzy-neural approximator is established to approximate an unknown nonlinear dynamic system in a linearized way. The fuzzy B-spline membership function (BMF) which possesses a fixed number of control points is developed for online tuning. The concept of tuning the adjustable vectors, which include membership functions and weighting factors, is described to derive the update laws of the robust adaptive fuzzy-neural controller. Furthermore, the effect of all the unmodeled dynamics, BMF modeling errors and external disturbances on the tracking error is attenuated by the error compensator which is also constructed by fuzzy-neural inference. We prove that the closed-loop system which is controlled by the robust adaptive fuzzy-neural controller is stable and the tracking error will converge to zero under mild assumptions. Several examples are simulated in order to confirm the effectiveness and applicability of the proposed methods
ISSN: 1042-296X�
Other Identifiers: ntnulib_tp_E0604_01_046
Appears in Collections:教師著作

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