Abstract
In this work, a study on postural synergies has been conducted on an under-actuated anthropomorphic hand , the SCHUNK Five-Fingered Hand (S5FH). Human hand grasps are mapped on the robotic hand using fingertips measurements, obtained with an RGBD camera sensor, and inverse kinematics. Since the S5FH is under-actuated, an approximate solution can be obtained using the differential kinematics mapping between the motor space and the Cartesian space and a closed-loop inverse kinematics (CLIK), based on a high-rectangular hand Jacobian that takes into account the mechanical synergies of the hand. The so-computed motor synergies have been tested for hand control during grasping. The motor current measurements have been used to limit the grasping forces trough a motor position control in the synergies subspace.
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This research has been partially funded by the EC Seventh Framework Programme (FP7) within RoDyMan project 320992. The authors are solely responsible for its content. It does not represent the opinion of the European Community and the Community is not responsible for any use that might be made of the information contained therein.
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Ficuciello, F., Federico, A., Lippiello, V., Siciliano, B. (2018). Synergies Evaluation of the SCHUNK S5FH for Grasping Control. In: Lenarčič, J., Merlet, JP. (eds) Advances in Robot Kinematics 2016. Springer Proceedings in Advanced Robotics, vol 4. Springer, Cham. https://doi.org/10.1007/978-3-319-56802-7_24
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DOI: https://doi.org/10.1007/978-3-319-56802-7_24
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