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Mechanisms

  • Jadran Lenarčič
  • Tadej Bajd
  • Michael M. Stanišić
Part of the Intelligent Systems, Control and Automation: Science and Engineering book series (ISCA, volume 60)

Abstract

This chapter begins with a description of the different types of mechanisms that are generally used, especially in industrial robots. The parameters and variables of the mechanisms are defined and the degrees of freedom are calculated. Two methods to model a mechanism are presented. We show that in the Denavit-Hartenberg method, the attachment of local coordinate frames to the links is precisely specified, and relative to these frames a minimum number of translational and rotational parameters that describe the relative pose of two neighboring links are defined. In the so-called method of Vector Parameters, link and joint vectors are used to determine the geometry of the mechanism. As the reference position of a mechanism is a free choice, this method enables us to select the most appropriate reference position with respect to the requirements of the robot task.

Keywords

Coordinate Frame Parallel Mechanism Kinematic Chain Reference Position Rotational Joint 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Jadran Lenarčič
    • 1
  • Tadej Bajd
    • 2
  • Michael M. Stanišić
    • 3
  1. 1.J. Stefan InstituteLjubljana-Vic-RudnikSlovenia
  2. 2.Faculty of Electrical EngineeringUniversity of LjubljanaLjubljana-Vic-RudnikSlovenia
  3. 3.Aerospace and Mechanical EngineeringNotre Dame UniversityNotre DameUSA

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