Characterising 3D-printed Soft Fin Ray Robotic Fingers with Layer Jamming Capability for Delicate Grasping

Elgeneidy, Khaled and Lightbody, Peter and Pearson, Simon and Neumann, Gerhard (2019) Characterising 3D-printed Soft Fin Ray Robotic Fingers with Layer Jamming Capability for Delicate Grasping. In: RoboSoft 2019.

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Characterising 3D-printed Soft Fin Ray Robotic Fingers with Layer Jamming Capability for Delicate Grasping

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Abstract

Motivated by the growing need within the agrifood industry to automate the handling of delicate produce, this paper presents soft robotic fingers utilising the Fin Ray effect to passively and gently adapt to delicate targets. The proposed Soft Fin Ray fingers feature thin ribs and are entirely 3D printed from a flexible material (NinjaFlex) to enhance their shape adaptation, compared to the original Fin Ray fingers. To overcome their reduced force generation, the effects of
the angle and spacing of the flexible ribs were experimentally characterised. The results showed that at large displacements, layer jamming between tilted flexible ribs can significantly enhance the force generation, while minimal contact forces can be still maintained at small displacements for delicate grasping.

Keywords:soft robotics, robotics, grippers
Subjects:H Engineering > H730 Mechatronics
H Engineering > H671 Robotics
Divisions:College of Science > School of Computer Science
ID Code:34950
Deposited On:04 Mar 2019 07:36

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