Calculating force distributions for redundantly actuated tendon-based Stewart platforms

被引:43
作者
Bruckmann, Tobias [1 ]
Pott, Andreas [1 ]
Hiller, Manfred [1 ]
机构
[1] Univ Duisburg Gesamthsch, Chair Mechatron, 100 Duisburg, Germany
来源
ADVANCES IN ROBOT KINEMATICS: MECHANISMS AND MOTION | 2006年
关键词
D O I
10.1007/978-1-4020-4941-5_44
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Completely and redundantly restraint tendon-based Stewart platforms demand for a distribution of tendon forces to control the platform on a given trajectory. Thus, position control has to be extended by a tendon force controller which generates continuous and feasible force values. The computation of such force distributions can be formulated as a constrained optimization problem. Solving the problem is numerically expensive and requires an algorithm which is capable to be integrated into a realtime environment. In this paper, different algorithms for tendon force distribution are proposed and investigated with respect to their usability on a realtime system.
引用
收藏
页码:403 / +
页数:2
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