NEO-Fuzzy State-Space Predictive Control

Research output: Contribution to journalArticle in a proceedings journalScientificpeer-review

Abstract

This paper describes the development of a novel state-space model predictive controller. The proposed modelling structure used to capture and predict the nonlinear process dynamics lies on the concept for a neo-fuzzy neuron, deployed in state-space. The introduced approach represents a set of simple fuzzy inferences along the temporal behaviour of each input node, whose dynamics is expressed as a singleton function. The learning algorithm for the proposed modelling structure is realized as a gradient descent procedure. On the basis of the obtained neo-fuzzy state-space model, a fuzzy predictor for the purpose of predictive control is developed. The achieved predictions are used to optimize the future system response by implementing a quadratic programming optimization procedure along the stated controller horizons. The potentials of the proposed approach are studied by simulation experiments to modelling and control of a nonlinear drying plant.

Original languageEnglish
Pages (from-to)99-104
Number of pages6
JournalIFAC-PapersOnLine
Volume48
Issue number24
DOIs
Publication statusPublished - 1 Jan 2015
MoE publication typeA4 Article in a conference publication

Funding

The authors gratefully acknowledge the financial support provided by the Ministry of Education and Science of Bulgaria, Research Fund Project FNI I 026/ . As well, the research work reported in the paper is partly supported by the project mAConI "Advanced Computing for Innovation", grant 316087, funded by the FP7 Capacity Programme (Research Potential of Convergence Regions).

Keywords

  • modeling
  • neo-fuzzy neuron
  • optimization
  • predictive control
  • QP
  • state-space

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