Three dimensional statics for continuum robotics

  • Authors:
  • Bryan A. Jones;Ricky L. Gray;Krishna Turlapati

  • Affiliations:
  • Department of Electrical and Computer Engineering, Mississippi State University, Mississippi State, MS;Department of Electrical and Computer Engineering, Mississippi State University, Mississippi State, MS;Department of Electrical and Computer Engineering, Mississippi State University, Mississippi State, MS

  • Venue:
  • IROS'09 Proceedings of the 2009 IEEE/RSJ international conference on Intelligent robots and systems
  • Year:
  • 2009

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Abstract

This paper introduces a method for computing the shape of a continuously-flexible (continuum) robot in 3-D space which includes gravity loading by applying Cosserat rod theory to a continuum robot. With this theory, the shape of the rod can be determined using force-torque balance equations obtained from a simple free body diagram that represents the continuum robot. Real-time performance of 125 Hz makes this approach viable for the control of a continuum robot, enabled by avoiding boundary-value conditions in the solution.