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FBCCD: A Forward and Backward Cyclic Iterative Solver for the Inverse Kinematics of Continuum Robot

  • Haoran Wu
  • , Jingjun Yu
  • , Jie Pan
  • , Guoxin Li
  • , Xu Pei*
  • *Corresponding author for this work
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper proposes a new numerical approach called Forward and Backward Cyclic Coordinate Descent (FBCCD), which is based on the Cyclic Coordinate Descent (CCD) algorithm. A specific set of solutions can be found from infinite solutions of multi-segment continuum robots using the iterative numerical algorithm. Inspired by the Forward and Backward Reaching Inverse Kinematics (FABRIK) algorithm, the inverse kinematics (IK) of a multi-segment continuum robot is divided into two phases: a forward iteration of end coordinates and a backward iteration of end direction. Forward and backward iterations correct and compensate each other, making the end pose close to the target. By altering the goal function of a single iteration, the FBCCD algorithm can also be applied to the continuum robot with a movable base. The numerical experiment results illustrate that this algorithm is with higher convergence rate and effectiveness compared with some of the most popular IK approaches. The average operating time for a five-segment continuum robot is 361 ms and the average number of iterations is 22.89.

Original languageEnglish
Title of host publicationAdvances in Mechanism, Machine Science and Engineering in China - Proceedings of IFToMM CCMMS 2022
EditorsXinjun Liu
PublisherSpringer Science and Business Media Deutschland GmbH
Pages329-345
Number of pages17
ISBN (Print)9789811993978
DOIs
StatePublished - 2023
Event23rd IFToMM China International Conference on Mechanism and Machine Science and Engineering, IFToMM CCMMS 2022 - Yantai, China
Duration: 30 Jul 20221 Aug 2022

Publication series

NameLecture Notes in Mechanical Engineering
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

Conference23rd IFToMM China International Conference on Mechanism and Machine Science and Engineering, IFToMM CCMMS 2022
Country/TerritoryChina
CityYantai
Period30/07/221/08/22

Keywords

  • Continuum robot
  • Cyclic Coordinate Descent
  • Inverse kinematics

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