Two-Loop robust model predictive control for the temperature control of air-handling units

Gongsheng Huang, Shengwei Wang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

18 Citations (Scopus)


This paper presents a temperature control method for air-handling units (AHUs) using a two-loop robust model predictive control (MPC). A two-loop robust MPC employs an inner-loop controller to ensure robust stability and an outer-loop controller to improve the control performance by taking uncertainties and constraints into account. A two-loop robust MPC with multiple overlapping operating modes is developed to deal with the control of systems associated with high nonlinearities. The basic idea is to separate the operating range of these systems into several operating modes such that the local systems in each operating mode suffer less from uncertainties. The overlapping operating modes are adopted in the control scheme to avoid the controller frequently switching among these operating modes. The control scheme is used to design a robust controller for a typical AHU. Simulation results are presented and compared with that of an anti-windup proportional-integral (PI) controller.
Original languageEnglish
Pages (from-to)565-580
Number of pages16
JournalHVAC and R Research
Issue number4
Publication statusPublished - 1 Jan 2008

ASJC Scopus subject areas

  • Building and Construction


Dive into the research topics of 'Two-Loop robust model predictive control for the temperature control of air-handling units'. Together they form a unique fingerprint.

Cite this