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Robust Control for High-Speed Visual Servoing Applications

Author(s): Lars-Peter Ellekilde | Peter Favrholdt | Mads Paulin | Henrik Gordon Petersen

Journal: International Journal of Advanced Robotic Systems
ISSN 1729-8806

Volume: 4;
Issue: 3;
Date: 2008;
Original page

This paper presents a new control scheme for visual servoing applications. The approach employs quadratic optimization, and explicitly handles both joint position, velocity and acceleration limits. Contrary to existing techniques, our method does not rely on large safety margins and slow task execution to avoid joint limits, and is hence able to exploit the full potential of the robot. Furthermore, our control scheme guarantees a well-defined behavior of the robot even when it is in a singular configuration, and thus handles both internal and external singularities robustly. We demonstrate the correctness and efficiency of our approach in a number of visual servoing applications, and compare it to a range of previously proposed techniques.
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