Structural synthesis for a lower-mobility parallel kinematic machine with swivel hinges

被引：10
|
作者：
Xie, H. [1 ]
Li, S. [1 ]
Shen, Y. F. [1 ]
Cao, S. W. [1 ]
Cai, W. [1 ]
机构：
[1] Tongji Univ, Coll Mech Engn, Shanghai 200092, Peoples R China
来源：
ROBOTICS AND COMPUTER-INTEGRATED MANUFACTURING | 2014年 / 30卷 / 05期
关键词：
Series of parallel mechanisms; Swivel hinges; Structural synthesis; Lower-mobility; POC; SOC;
D O I：
10.1016/j.rcim.2014.01.001
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, a novel parallel kinematic machine is proposed. Its active platform (main supporting spindle) is manufactured with swivel hinges, that is, we substitute the spherical hinge with a swivel hinge. The active platform is also divided into several layers, which alters the characteristics of a singlelayer-platform parallel machine. This paper applies a comprehensive structural approach based on position and orientation characteristics (POC). Each single open chain (SOC) is studied independently from the whole mechanism; we also analyse the POC of each kinematic pair. By the method of union, we obtain the POC matrix of the output motion of each link. Based on the verification of the 5-DOF (degree of freedom) parallel kinematic machine, we construct 3-DOF and 4-DOF parallel mechanisms with swivel hinges through the combination and union of different chains, and develop them into a series. (c) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：413 / 420
页数：8
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