The application of system identification for climate control

P.W.M.H. Steskens, A.W.M. Schijndel, van

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Abstract

The study focuses on the applicability of system identification to identify building and system dynamics for climate control design. The main problem regarding the simulation of the dynamic response of a building using building simulation software is that (1) the simulation of a large complex building is time consuming, and (2) simulation results often lack information regarding fast dynamic behaviour (in the order of seconds), since most software uses a discrete time step, usually fixed to one hour. The first objective is to study the applicability of system identification to reduce computing time for the simulation of large complex buildings. The second objective is to research the applicability of system identification to identify building dynamics based on discrete time data (one hour) for climate control design. The study illustrates that system identification is applicable for the identification of building dynamics with a frequency that is smaller as the maximum sample frequency as used for identification. The research shows that system identification offers good perspectives for the modelling of heat, air and moisture processes in a building. The main advantages of system identification models compared to the modelling of building dynamics using building simulation software are, that (1) the computing time is reduced significantly, and (2) system identification models run in a MATLAB environment, in which many building simulation tools have been developed
Original languageEnglish
Title of host publicationProceedings of the 7th International Conference System Simulation in Buildings (SSB 2006) 11-13 December 2006, Liège, Belgium
Publication statusPublished - 2007
Event7th International Conference on System Simulation in Buildings (SSB 2006), December 11-13, 2006, Liège, Belgium - Liège, Belgium
Duration: 11 Dec 200613 Dec 2006

Conference

Conference7th International Conference on System Simulation in Buildings (SSB 2006), December 11-13, 2006, Liège, Belgium
Abbreviated titleSSB 2006
CountryBelgium
CityLiège
Period11/12/0613/12/06

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