Switching model predictive control of a pneumatic artificial muscle

George Andrikopoulos, George Nikolakopoulos, Ioannis Arvanitakis, Stamatis Manesis

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this article, a switching Model Predictive Controller (sMPC) scheme for the position control of a Pneumatic Artificial Muscle (PAM) is being presented. The control scheme is based on a constrained linear and PieceWise Affine (PWA) system model approximation that is able to capture the high nonlinearities of the PAM and improve the overall model accuracy, and is composed of: a) a feed-forward term regulating control input at specific reference set-points, and b) a switching Model Predictive Controller handling any deviations from the system’s equilibrium points. Extended simulation studies were utilized in order to investigate and evaluate the efficacy of the suggested controller in the positioning problem of a PAM.
Original languageEnglish
Pages (from-to)1223-1231
Number of pages9
JournalInternational Journal of Control, Automation and Systems
Volume11
Issue number6
DOIs
Publication statusPublished - Dec 2013

Keywords

  • Feed forward control
  • fluidic muscle
  • model predictive control
  • piecewise affine system
  • pneumatic artificial muscle

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