Real-time adaptive tracking of DC motor speed using U-model based IMC

M. Shafiq, N. R. Butt

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A novel technique, involving U-model based IMC (Internal Model Control), is proposed for the adaptive control of nonlinear dynamic plants such as the DC-Motor. The proposed scheme combines the robustness of the IMC and the ability of Neural Networks to identify arbitrary nonlinear functions, with the control-oriented nature of the U-model to achieve adaptive tracking of stable nonlinear plants. The proposed structure has a more general appeal than many other schemes involving polynomial NARMAX (Nonlinear Autoregressive Moving Average with Exogenous inputs) model and the Hammerstein model, etc. Additionally, the control law is shown to be more simplistic in nature. The effectiveness of the proposed scheme is demonstrated with the help of simulations and real-time application to the speed control of DC motor system.

Original languageEnglish
Pages (from-to)31-38
Number of pages8
JournalAutomatic Control and Computer Sciences
Volume41
Issue number1
DOIs
Publication statusPublished - Feb 2007

Keywords

  • Adaptive tracking
  • DC-motor
  • NARMAX
  • Neural networks
  • Nonlinear control
  • U-model

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Artificial Intelligence

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