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Experimental tests of a sliding mode controller for trajectory tracking of a car-like mobile robot

Published online by Cambridge University Press:  19 July 2013

F. Hamerlain*
Affiliation:
Division Robotique et Productique, CDTA, Cité du 20 Août 1956, BP No. 17, Baba Hassen, Algiers, Algeria
T. Floquet
Affiliation:
LAGIS UMR CNRS 8146, Ecole Centrale de Lille, BP No. 48, Cité Scientifique, 59651 Villeneuve-d'Ascq, France
W. Perruquetti
Affiliation:
INRIA-LNE, Parc Scientifique de la Haute Borne 40, Avenue Halley Bat. A, Park Plaza 59650 Villeneuve d'Ascq, France
*
*Corresponding author. E-mail: hamerlainf@yahoo.fr

Summary

This paper deals with the problem of the practical tracking control of an experimental car-like system called the Robucar. The car-like Robucar is a four-wheeled car in a single steering mode. Based on a kinematic model of the car-like Robucar, a practical tracking controller is designed using the second-order sliding mode control of the super twisting algorithm. Hence, the output tracking of the desired trajectory is achieved, and the tracking errors vanish asymptotically. Experimental tests on the car-like Robucar are presented for simple and real-time nonholonomic trajectories, and comparative results with the conventional sliding controller demonstrate the applicability and efficiency of the proposed controller.

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Type
Articles
Copyright
Copyright © Cambridge University Press 2013 

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