Kinematic Modeling and Analysis of a Novel Bio-Inspired and Cable-Driven Hybrid Shoulder Mechanism

被引:6
作者
Niyetkaliyev, A. S. [1 ]
Sariyildiz, E. [1 ]
Alici, G. [2 ]
机构
[1] Univ Wollongong, Sch Mech Mat Mechatron & Biomed Engn, Wollongong, NSW 2522, Australia
[2] Univ Wollongong, ARC Ctr Excellence Electromat Sci, Innovat Campus, Wollongong, NSW 2522, Australia
来源
JOURNAL OF MECHANISMS AND ROBOTICS-TRANSACTIONS OF THE ASME | 2021年 / 13卷 / 01期
关键词
bio-inspired design; cable-driven mechanisms; theoretical kinematics; wearable robots; UPPER-LIMB; PARALLEL MANIPULATOR; ROBOT; REHABILITATION; SINGULARITY; THERAPY; DESIGN; STROKE;
D O I
10.1115/1.4047984
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The robotic shoulder rehabilitation exoskeletons that do not take into consideration all shoulder degrees-of-freedom (DOFs) lead to undesirable interaction forces and cause discomfort to the patient due to the joint axes misalignments between the exoskeleton and shoulder joints. In order to contribute to the solution of this human-robot compatibility issue, we present the kinematic modeling and analysis of a novel bio-inspired 5-DOFs hybrid human-robot mechanism (HRM). The human limbs are regarded as the inner passive restrained links in the proposed hybrid constrained anthropomorphic mechanism. The proposed hybrid mechanism combines serial and parallel manipulators with rigid and cable links enabling a match between human and exoskeleton joint axes. It is designed to cover the whole range of motion of the human shoulder with the workspace free of singularities. The numerical and simulation results from the computer-aided drawing model of the mechanism are presented to demonstrate the validity of the kinematic model, and the kinematic and singularity merits of the proposed mechanism. A three-dimensional printed prototype of the hybrid mechanism was fabricated to further validate the kinematic model and its overall advantages.
引用
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页数:12
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