A Five Fingered Robotic Hand Prototype by using Twist Drive

Konferenz: ISR/ROBOTIK 2010 - ISR 2010 (41st International Symposium on Robotics) and ROBOTIK 2010 (6th German Conference on Robotics)
07.06.2010 - 09.06.2010 in Munich, Germany

Tagungsband: ISR/ROBOTIK 2010

Seiten: 6Sprache: EnglischTyp: PDF

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Godler, Ivan (Department of Information and Media Engineering, University of Kitakyushu, Japan)
Sonoda, Takashi (Fukuoka Industry, Science & Technology Foundation, Japan)

A newly proposed drive mechanism for robot’s joints based on a principle of twisted strings was developed and is used to power the joints of a five fingered robotic hand. The proposed mechanism is named Twist Drive because it generates a pulling force by twisting two flexible strings on each other. Properties of the mechanism are presented in the paper and application to a five fingered robotic hand is demonstrated. Low-cost, lightweight, and muscle-like operation are the main characteristics of the proposed drive and is therefore beneficial in production of a light-weight, human size robotic hand that can be used in robotics as well as in prosthetics. A prototype of five fingered robotic hand is presented, and its mechanical and control systems are explained.