Abstract
Kinematic modeling of continuum robots is challenging due to the large deflections that these systems usually undergone. In this paper, we derive the kinematics of a continuum robot from the evolution of a three-dimensional curve in space. We obtain the spatial configuration of a continuum robot in terms of exponential coordinates based on Lie group theory. This kinematic framework turns out to handle robotic helical shapes, i.e. spatial configurations with constant curvature and torsion of the arm.
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Acknowledgments
This work was partially supported by the FlexARM project, which has received funding from the European Commission’s Euratom Research and Training Programme 2014–2018 under the EUROfusion Engineering Grant EEG-2015/21 “Design of Control Systems for Remote Handling of Large Components” and partially by the RoDyMan project, which has received funding from the European Research Council under Advanced Grant 320992.
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Grazioso, S., Di Gironimo, G., Siciliano, B. (2019). From Differential Geometry of Curves to Helical Kinematics of Continuum Robots Using Exponential Mapping. In: Lenarcic, J., Parenti-Castelli, V. (eds) Advances in Robot Kinematics 2018. ARK 2018. Springer Proceedings in Advanced Robotics, vol 8. Springer, Cham. https://doi.org/10.1007/978-3-319-93188-3_37
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DOI: https://doi.org/10.1007/978-3-319-93188-3_37
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