2018 IEEE International Conference on Robotics and Automation (ICRA) 2018
DOI: 10.1109/icra.2018.8460658
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Self-Calibration of Mobile Manipulator Kinematic and Sensor Extrinsic Parameters Through Contact-Based Interaction

Abstract: We present a novel approach for mobile manipulator self-calibration using contact information. Our method, based on point cloud registration, is applied to estimate the extrinsic transform between a fixed vision sensor mounted on a mobile base and an end effector. Beyond sensor calibration, we demonstrate that the method can be extended to include manipulator kinematic model parameters, which involves a nonrigid registration process. Our procedure uses on-board sensing exclusively and does not rely on any exte… Show more

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Cited by 9 publications
(4 citation statements)
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References 29 publications
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“…Certain bespoke algorithms involving specific sensor pairs and environmental features can be solved in closed form with a minimal set of measurements [11], [12], but these methods require a local optimization when noise is present. The approach for calibrating extrinsic sensor parameters relative to a manipulator base in [13] relies on solving a point cloud registration problem. While there are globally optimal branchand-bound (BnB) algorithms that can guarantee a solution to point cloud registration up to a desired accuracy [14], these techniques can be extremely slow.…”
Section: A Globally Optimal Calibrationmentioning
confidence: 99%
“…Certain bespoke algorithms involving specific sensor pairs and environmental features can be solved in closed form with a minimal set of measurements [11], [12], but these methods require a local optimization when noise is present. The approach for calibrating extrinsic sensor parameters relative to a manipulator base in [13] relies on solving a point cloud registration problem. While there are globally optimal branchand-bound (BnB) algorithms that can guarantee a solution to point cloud registration up to a desired accuracy [14], these techniques can be extremely slow.…”
Section: A Globally Optimal Calibrationmentioning
confidence: 99%
“…It is claimed that while pair-wise calibration can lead to inconsistencies, calibrating everything together in a "mutually supportive way" is most efficient. Limoyo et al [34] used contact constraint from sliding on a surface together with RGB-D camera information to formulate a selfcalibration problem for a mobile manipulator to estimate camera extrinsic parameters and manipulator joint angle biases. The former part is also experimentally verified.…”
Section: Related Workmentioning
confidence: 99%
“…Second, only the case where all chains were combined together using a single cost function was considered. In [34], self-observation and contact information are combined but the results have a proof-of-concept character. Our work is inspired by the simulation study of Stepanova et al [35] but presents a completely new setting and results on a different platform.…”
Section: Related Workmentioning
confidence: 99%
“…The LiDAR motions are estimated by an ICP algorithm and camera motions are computed by feature point matching. Limoyo et al [ 18 ] proposed the self-calibration of a mobile manipulator by aligning two point clouds from a depth camera and a contact sensor using an ICP-based algorithm.…”
Section: Related Workmentioning
confidence: 99%