Formation-Based Decentralized Iterative Learning Cooperative Impedance Control for a Team of Robot Manipulators

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7 Scopus citations


We present in this article a new decentralized iterative learning cooperative impedance control (ILCIC) architecture to cooperatively control the impedance for a team of robot manipulators that operate over an iteration domain. With a new definition of the neighborhood impedance error, we propose a novel formation-based cooperative control architecture, so that every manipulator can achieve the desired impedance model, even when some manipulators do not have direct access to the desired angle profiles. Besides, the desired angle profiles as well as the desired impedance model can be iteration varying, which is an important consideration when the team needs to execute different tasks in different iterations. With rigorous mathematical analysis, we show that each manipulator's impedance error can uniformly converge to zero as the iteration index increases to infinity. A simulation study is discussed in order to further illustrate the effectiveness of the discussed algorithm.

Original languageEnglish
Pages (from-to)872-881
Number of pages10
JournalIEEE Transactions on Systems, Man, and Cybernetics: Systems
Issue number2
StatePublished - Feb 1 2023

Bibliographical note

Publisher Copyright:
© 2022 IEEE.


  • Cooperative impedance control
  • decentralized control
  • iterative learning control (ILC)
  • robot manipulators

ASJC Scopus subject areas

  • Software
  • Control and Systems Engineering
  • Human-Computer Interaction
  • Computer Science Applications
  • Electrical and Electronic Engineering


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