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Robot Finger Module With Multidirectional Adjustable Joint Stiffness
DOI:10.1109/TMECH.2010.2090895.png)
摘要
En 中文
This paper describes a novel finger mechanism that enables a robot to perform a gentle and dexterous motion. This finger contains three joints, in which the proximal (PIP) and distal intraphalangeal (DIP) joints are coupled rigidly, and the metacarpophalangeal (MP) joint has a multidirectional passive compliance that is adjustable as in humans. In the MP joint, two kinds of silicone-rubber cushions (A-SRC and B-SRC) are placed between a motor-driven disk and an output link. A-SRC plays three roles: 1) transmission of the rotational motion from the motor to the output link by the friction force between the surface of A-SRC and the motor-driven disk; 2) absorption of external forces from multiple directions by its elastic deformation; and 3) sensing the directions and magnitudes of external forces with the change in inside pressure. B-SRC adjusts the characteristics of joint compliance by pressing A-SRC against the motor-driven disk. We investigate the basic performance of this finger module through several experiments.
Keyword:
Adjustable joint stiffness
force sensing
multidirectional passivity
robot finger
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期刊
I
IF:
7.3
论文数:
5.5K
被引数:
2.4W
机构
引用论文
Biomechatronic design and control of an anthropomorphic artificial hand for prosthetic and robotic applications用于假肢和机器人应用的拟人化人工手的生物电子设计和控制


