Control of an air conditioning system and robustness analysis of stability

Author

Rambault, L. ; Bourezac, K. ; Mehdi, D. ; Trigeassou, J.C.

Author_Institution

L.A.I.I. - E.S.I.P., Poitiers, France

fYear

1999

fDate

Aug. 31 1999-Sept. 3 1999

Firstpage

1631

Lastpage

1636

Abstract

This paper presents the experimental results of the modelling, identification and control of an air conditioning system. The process has been decomposed in two subsystems connected in series with a natural feedback. It has been identified by the Model based method using Marquardt´s algorithm. Due to the cascade structure of the system, the controller involves two levels. The first level (inner loop) is based on the well known I.M.C. approach. The second level (outer loop) uses a C.G.P.C. strategy. These two loops are implemented on a thermic laboratory set-up, which represents an actual industrial process. We present a result of a C.G.P.C. strategy. We develop the robusness analysis of stability by using L.M.I. approach.

Keywords

air conditioning; continuous time systems; feedback; nonlinear control systems; predictive control; robust control; CGPC strategy; IMC approach; Marquardt algorithm; air conditioning control system; cascade structure; continuous-time generalized predictive control; feedback; industrial process; internal model control; robustness analysis; stability; thermic laboratory set-up; Atmospheric modeling; Cost function; Heating; Indexes; Laplace equations; Stability analysis; Thermal stability; C.G.P.C.; Non-linear system; Robustness; Stability; air conditioning system;

fLanguage

English

Publisher

ieee

Conference_Titel

Control Conference (ECC), 1999 European

Conference_Location

Karlsruhe

Print_ISBN

978-3-9524173-5-5

Type

conf

Filename

7099547