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A New Cable-Based Parallel Robot with Three Degrees of Freedom

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Abstract

In this paper, a new cable-based parallel robot is introduced. In this robot, the cables are used to not only actuate the end-effector but apply the necessary kinematic constrains to provide three pure translational degrees of freedom. In order to maintain tension in the cables, a collapsible element called “spine” is used between the end-effector and the robot’s base. The kinematic analysis of this robot is similar to that of a rigid link parallel manipulator as long as the cables are in tension. The rigidity of this robot which corresponds to having all cables in tension is studied thoroughly and it is proved that a single spine with a finite force is sufficient to guarantee rigidity for any external load at any position of the workspace.

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Authors and Affiliations

  1. Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario, Canada

    Saeed Behzadipour & Amir Khajepour

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  1. Saeed Behzadipour
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  2. Amir Khajepour
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Correspondence to Saeed Behzadipour.

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Behzadipour, S., Khajepour, A. A New Cable-Based Parallel Robot with Three Degrees of Freedom. Multibody Syst Dyn 13, 371–383 (2005). https://doi.org/10.1007/s11044-005-3985-6

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  • DOI: https://doi.org/10.1007/s11044-005-3985-6

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