Designing a robust adaptive dynamic controller for nonholonomic mobile robots under modeling uncertainty and disturbances

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The main stream of researches on the mobile robot is planning motions of the mobile robot under nonholonomic constraints. Much has been written about the problem of motion planning under nonholonomic constraints using only a kinematic model of a mobile robot. Those methods, however, assume that there is some kind of a dynamic controller that can produce perfectly the same velocity that is necessary for the kinematic controller. Also there is little literature on the robustness of the controller when there are uncertainties or external disturbances in the dynamical model of a mobile robot. In this paper, we proposed a robust adaptive controller that can achieve perfect velocity tracking while considering not only a kinematic model but also a dynamic model of the mobile robot. The proposed controller can overcome uncertainties and external disturbances by robust adaptive technique. The stability of the dynamic system will be shown through the Lyapunov method. (C) 2002 Elsevier Science Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2003-06
Language
ENG
Article Type
Article
Citation

MECHATRONICS, v.13, pp.507 - 519

ISSN
0957-4158
URI
http://hdl.handle.net/10203/8171
Appears in Collection
EE-Journal Papers(저널논문)
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