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An image driven vision-based control framework for wheeled mobile robots
Abstract : We deal in this paper with an original visual servoing method intended to control a nonholonomic wheeled mobile robot. These works are a part of a complete image-based framework for navigation of a mobile robot, using only a monocular vision system embedded on the robot. The navigation system uses a set of relay images to enable the robot to reach a goal configuration expressed as a desired attitude of visual landmarks in the image plane. This paper particularly focuses on a suitable image-based control law of a nonholonomic robot for navigating in image database, with the assumption that the ground is obstacle free. We show how computing a suitable homographic transformation between the current camera image and a desired one allows to estimate an error vector on the state of the robot relative to a virtual straight line. This line is joined and followed thanks to a control law designed according to a well suited chained system of the state of the robot. Simulations illustrate this point, and experimental results for a two wheels driven robot confirm the validity of our approach.
Cited literature [17 references]
https://hal.inria.fr/hal-02467122
Contributor : Philippe Martinet <>
Submitted on : Tuesday, February 4, 2020 - 7:07:44 PM
Last modification on : Wednesday, September 9, 2020 - 10:50:17 AM
Long-term archiving on: : Wednesday, May 6, 2020 - 2:28:38 PM
Contributor : Philippe Martinet <>
Submitted on : Tuesday, February 4, 2020 - 7:07:44 PM
Last modification on : Wednesday, September 9, 2020 - 10:50:17 AM
Long-term archiving on: : Wednesday, May 6, 2020 - 2:28:38 PM
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isra04guillaume.pdf
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