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Dynamics of a six degrees-of-freedom parallel robot actuated by three two-wheel carts

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Abstract

This paper deals with a new, six degrees-of-freedom parallel manipulator comprising a platform, three links and three two-wheel carts supporting the links. The wheels are independently driven, allowing the manipulator a workspace which is limited only by the lengths of the links and the size of the plane on which the carts move. The direct and inverse dynamic problems of the manipulator are solved. It is shown that the Jacobian associated with the direct problem becomes identically singular when used to solve the inverse problem, and hence must be redefined; and that once redefined, it losses its standard structure and cannot be used to solve the direct problem. Three solution methods to the inverse problem are presented and are shown to lead to indistinguishable results.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Technion – Israel Institute of Technology, Haifa, 32000, Israel

    P. Ben Horin & M. Shoham

  2. RAFAEL, P.O. Box 2250, Haifa, Israel

    S. Djerassi & R. Ben Horin

Authors
  1. P. Ben Horin
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  2. S. Djerassi
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  3. M. Shoham
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  4. R. Ben Horin
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Corresponding author

Correspondence to M. Shoham.

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Horin, P.B., Djerassi, S., Shoham, M. et al. Dynamics of a six degrees-of-freedom parallel robot actuated by three two-wheel carts. Multibody Syst Dyn 16, 105–121 (2006). https://doi.org/10.1007/s11044-006-9016-4

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  • DOI: https://doi.org/10.1007/s11044-006-9016-4

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