Frontiers of Mechanical Engineering >

2012 , Vol. 7 >Issue 2: 150 - 162

DOI: https://doi.org/10.1007/s11465-012-0325-4

RESEARCH ARTICLE

Synthesis of spherical parallel manipulator for dexterous medical task

  • Abdelbadiâ CHAKER 1,2 ,
  • Abdelfattah MLIKA 1 ,
  • Med Amine LARIBI 2 ,
  • Lotfi ROMDHANE , 1 ,
  • Saïd ZEGHLOUL 2
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  • 1. Laboratoire de Mécanique de Sousse, Ecole Nationale d’Ingénieurs de Sousse Université de Sousse, Sousse, Tunisia
  • 2. Institut PPRIME, CNRS, Université de Poitiers—ENSMA, UPR 3346, Poitiers, France

Received date: 03 Jan 2012

Accepted date: 01 Mar 2012

Published date: 05 Jun 2012

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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Abstract

This paper deals with the design and the analysis of a spherical parallel manipulator (SPM) for a haptic minimally invasive surgery application. First the medical task was characterized with the help of a surgeon who performed a suture technique called anastomosis. A Vicon system was used to capture the motion of the surgeon, which yielded the volume swept by the tool during the anastomosis operation. The identified workspace can be represented by a cone with a half vertex angle of 26°. A multi objective optimization procedure based on genetic algorithms was then carried out to find the optimal SPM. Two criteria were considered, i.e., task workspace and mechanism dexterity. The optimized SPM was then analyzed to determine the error on the orientation of the end effector as a function of the manufacturing errors of the different links of the mechanism.

Key words： spherical parallel manipulator (SPM); anastomosis; haptic; motion capture; optimization; workspace; dexterity; genetic algorithm; manufacturing errors

Cite this article

Abdelbadiâ CHAKER , Abdelfattah MLIKA , Med Amine LARIBI , Lotfi ROMDHANE , Saïd ZEGHLOUL . Synthesis of spherical parallel manipulator for dexterous medical task[J]. Frontiers of Mechanical Engineering, 2012 , 7(2) : 150 -162 . DOI: 10.1007/s11465-012-0325-4

Acknowledgements

This research is supported by the CPER Poitou-Charentes 2007-2013 (program project 10’Images et interactivites’), in partnership with the European Union (FEDER/ERDF, European Regional Development Fund).

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