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Eye-on-Hand Calibration Method for Cable-Driven Parallel Robots

  • Nicolas TremblayEmail author
  • Kaveh Kamali
  • Philippe Cardou
  • Christian Desrosiers
  • Marc Gouttefarde
  • Martin J.-D. Otis
Conference paper
Part of the Mechanisms and Machine Science book series (Mechan. Machine Science, volume 74)

Abstract

Estimating the geometric parameters of a cable-driven parallel robot (CDPR) can be a labour intensive process or one that requires expensive sensors. This paper presents a low-cost method for estimating initial cable lengths and fixed cable attachment points of CDPRs. The proposed approach relies on the detection, mapping and localisation of fiduciary markers in the robot environment using a camera attached to the end effector. This paper additionally tackles the generation of a list of reachable calibration poses and presents a control scheme allowing the CDPR to reach those. Experiments are also carried out to assess the performance of the proposed calibration method. It appears that the proposed eye-on-hand method is more accurate than a previously reported method relying solely on cable-length measurements.

Keywords

Cable-driven parallel robot parameter identification experimental testing vision-based calibration 

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Notes

Acknowledgments

This work is financially supported by the Fonds de recherche du Québec – Nature et technologies (FRQNT), under the grant number 2016-PR-188869.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Nicolas Tremblay
    • 1
    Email author
  • Kaveh Kamali
    • 2
  • Philippe Cardou
    • 1
  • Christian Desrosiers
    • 2
  • Marc Gouttefarde
    • 3
  • Martin J.-D. Otis
    • 4
  1. 1.Laboratoire de Robotique, Département de génie mécaniqueUniversité LavalQuébec CityCanada
  2. 2.École de technologie supérieureMontréalCanada
  3. 3.LIRMM, University of Montpellier, CNRSMontpellierFrance
  4. 4.Laboratoire d’automatique et d’interaction 3D multimodale intelligente (LAIMI), Département des Sciences AppliquéesUniversité du Québec à Chicoutimi (UQAC)ChicoutimiCanada

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