A quasi-ARX model for multivariable decoupling control of nonlinear MIMO system

Lan Wang, Yu Cheng, Takayuki Furuzuki

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3 Citations (Scopus)

Abstract

This paper proposes a multiinput and multioutput (MIMO) quasi-autoregressive eXogenous (ARX) model and a multivariable-decoupling proportional integral differential (PID) controller for MIMO nonlinear systems based on the proposed model. The proposed MIMO quasi-ARX model improves the performance of ordinary quasi-ARX model. The proposed controller consists of a traditional PID controller with a decoupling compensator and a feed-forward compensator for the nonlinear dynamics based on the MIMO quasi-ARX model. Then an adaptive control algorithm is presented using the MIMO quasi-ARX radial basis function network (RBFN) prediction model and some stability analysis of control system is shown. Simulation results show the effectiveness of the proposed control method.

Original languageEnglish
Article number570498
JournalMathematical Problems in Engineering
Volume2012
DOIs
Publication statusPublished - 2012

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ASJC Scopus subject areas

  • Mathematics(all)
  • Engineering(all)

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