Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/138221
Title: The making of a 3D-printed, cable-driven, single-model, lightweight humanoid robotic hand
Authors: Tian, Li
Magnenat-Thalmann, Nadia
Thalmann, Daniel
Zheng, Jianmin
Keywords: Engineering::Computer science and engineering
Issue Date: 2017
Source: Tian, L., Magnenat-Thalmann, N., Thalmann, D., & Zheng, J. (2017). The making of a 3D-printed, cable-driven, single-model, lightweight humanoid robotic hand. Frontiers in Robotics and AI, 4, 65-. doi:10.3389/frobt.2017.00065
Journal: Frontiers in Robotics and AI
Abstract: Dexterity robotic hands can (Cummings, 1996) greatly enhance the functionality of humanoid robots, but the making of such hands with not only human-like appearance but also the capability of performing the natural movement of social robots is a challenging problem. The first challenge is to create the hand’s articulated structure and the second challenge is to actuate it to move like a human hand. A robotic hand for humanoid robot should look and behave human like. At the same time, it also needs to be light and cheap for widely used purposes. We start with studying the biomechanical features of a human hand and propose a simplified mechanical model of robotic hands, which can achieve the important local motions of the hand. Then, we use 3D modeling techniques to create a single interlocked hand model that integrates pin and ball joints to our hand model. Compared to other robotic hands, our design saves the time required for assembling and adjusting, which makes our robotic hand ready-to-use right after the 3D printing is completed. Finally, the actuation of the hand is realized by cables and motors. Based on this approach, we have designed a cost-effective, 3D printable, compact, and lightweight robotic hand. Our robotic hand weighs 150 g, has 15 joints, which are similar to a real human hand, and 6 Degree of Freedom (DOFs). It is actuated by only six small size actuators. The wrist connecting part is also integrated into the hand model and could be customized for different robots such as Nadine robot (Magnenat Thalmann et al., 2017). The compact servo bed can be hidden inside the Nadine robot’s sleeve and the whole robotic hand platform will not cause extra load to her arm as the total weight (150 g robotic hand and 162 g artificial skin) is almost the same as her previous unarticulated robotic hand which is 348 g. The paper also shows our test results with and without silicon artificial hand skin, and on Nadine robot.
URI: https://hdl.handle.net/10356/138221
ISSN: 2296-9144
DOI: 10.3389/frobt.2017.00065
Research Centres: Institute for Media Innovation (IMI) 
Rights: © 2017 Tian, Magnenat Thalmann, Thalmann and Zheng. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:IMI Journal Articles

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