Uncalibrated Eye-in-Hand Visual Servoing
Author(s)
Piepmeier, Jenelle Armstrong
Lipkin, Harvey
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Abstract
In this paper we present new uncalibrated control schemes for vision-guided robotic tracking of a moving target using a moving camera. These control methods are applied to an uncalibrated robotic system with eye-in-hand visual feedback. Without a priori knowledge of the robot’s kinematic model or camera calibration, the system is able
to track a moving object through a variety of motions and maintain the object’s image features in a desired position in the image plane. These control schemes estimate the system Jacobian as well as changes in target features due to target motion. Four novel strategies are simulated and a variety of parameters are investigated with
respect to performance. Simulation results suggest that a Gauss–Newton method utilizing a partitioned Broyden’s method for model estimation provides the best steady-state tracking behavior.
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Date
2003-10
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