Application of two-loop robust control to air-conditioning systems

Gongsheng Huang, Arthur L. Dexter, Shengwei Wang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

2 Citations (Scopus)

Abstract

This paper presents the design and application of a two-loop robust controller for temperature control in air-conditioning systems. A Takagi-Sugeno fuzzy model with uncertain local models is developed to describe the associated nonlinearities and uncertainties in the operation of the air handling units. Parallel distributed compensation is used to design the global control law. The local control law consists of two loops: an inner-loop integral controller and an outer-loop min-max predictive controller with short prediction horizon. A discounting scheme is developed to weight the contribution of the two loops. Experimental results are presented which show that the proposed strategy can achieve acceptable control performance with a minimum of onsite tuning.
Original languageEnglish
Pages (from-to)677-687
Number of pages11
JournalAsian Journal of Control
Volume11
Issue number6
DOIs
Publication statusPublished - 1 Nov 2009

Keywords

  • Air-conditioning system
  • Controller design
  • Robust control
  • Takagi-Sugeno fuzzy model

ASJC Scopus subject areas

  • Control and Systems Engineering

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