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Structural characteristics of force/moment polytopes of cable driven parallel mechanisms

  • Xiaowei Dai
  • , Yuru Zhang*
  • , Dangxiao Wang
  • , Jian Song
  • *此作品的通讯作者
  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

The force/moment capability of cable driven parallel mechanisms is characterized by force/moment polytopes resulting from a linear transformation between the space of cable tension and the space of the force/moment of the moving platform. Conventional method developed in computational geometry has been used to identify the vertices and faces of the polytopes. In this paper, we explored the relationship between the polytopes and the structure of a cable driven parallel mechanism and proposed a new method to identify the vertices and the faces of the polytopes. We analyzed the characteristics of the hyper cuboid defined by the minimum and maximum cable tensions and took into account inherent relationships between all vertices and faces of the polytopes. By utilizing the inherent relationships, we were able to show the relationships between the force/moment polytopes and the cable directions. These relationships are potentially useful for the design of cable driven parallel mechanisms. As an example, the polytopes of a 9-cable driven 6-DOF parallel mechanism are presented.

源语言英语
主期刊名Mechanisms and Machine Science
编辑Xilun Ding, Xianwen Kong, Jian S. Dai, Jian S. Dai
出版商Kluwer Academic Publishers
375-384
页数10
ISBN(印刷版)9783319233260
DOI
出版状态已出版 - 2016

出版系列

姓名Mechanisms and Machine Science
36
ISSN(印刷版)2211-0984
ISSN(电子版)2211-0992

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