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A generic control framework for mobile robots edge following

Abstract : In this paper, the problem associated with accurate control for mobile robots following an edge is addressed thanks to a backstepping control. In particular, the control of the angular speed (control input) is investigated through the derivation of a new backstepping control by gathering derivatives regarding to time and to the curvilinear abscissa in a single framework. This new reference then allows both time and distance convergence of the robot states towards a trajectory computed with points given by a Lidar only. This permits to address the control of different kinds of robots (skid-steering, car like, four-wheel-steering) in a common framework and to consider independently the speed regulation, the lateral and the longitudinal controls. The control proposed here allows an accurate and reactive path tracking even if the environment is complex and narrow. The efficiency of the approach is investigated through full scale experiments in various conditions.
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https://hal.inrae.fr/hal-03194991
Contributor : Kareen Louembe <>
Submitted on : Saturday, April 10, 2021 - 1:02:27 AM
Last modification on : Tuesday, May 11, 2021 - 11:37:32 AM

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Mathieu Deremetz, Adrian Couvent, Roland Lenain, Benoît Thuilot, Christophe Cariou. A generic control framework for mobile robots edge following. 16th International Conference on Informatics in Control, Automation and Robotics, Jul 2019, Montreal, Canada. pp.104-113, ⟨10.5220/0007915501040113⟩. ⟨hal-03194991⟩

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