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Solving the Dynamic Equations of a 3-PRS Parallel Manipulator

  • M. Díaz-RodríguezEmail author
  • R. Bautista-Quintero
  • J. A. Carretero
Conference paper
Part of the Mechanisms and Machine Science book series (Mechan. Machine Science, volume 24)

Abstract

This paper presents and compares three approaches for solving the inverse dynamic model of a general 3-PRS parallel manipulator. The first method obtains the inverse dynamic model by describing the manipulator as three open kinematic chains. Then, the vector-loop closure constraints introduce the relationship between the dynamics of the open kinematic chains and the original closed loop chains. The second method exploits the characteristic of parallel manipulators such that the platform and the links are considered as subsystems. The third method is similar to the second method but uses a different formulation of the Jacobian matrix. This work provides some insight on some advantages and/or disadvantages on how to formulate the dynamic model of a lower mobility parallel manipulator, which can be considered in topic such as the optimal design, parameter identification, and model-based control.

Keywords

Limited-DOF parallel manipulator Inverse dynamics analysis Jacobian formulation 

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • M. Díaz-Rodríguez
    • 1
    Email author
  • R. Bautista-Quintero
    • 2
  • J. A. Carretero
    • 3
  1. 1.Universidad de Los AndesMéridaVenezuela
  2. 2.Instituto Tecnológico de CuliacánCuliacánMexico
  3. 3.University of New BrunswickFrederictonCanada

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