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Model-based controllers for indoor climate control in office buildings - Complexity and performance evaluation

Mattias Gruber (Institutionen för energi och miljö, Installationsteknik) ; Anders Trüschel (Institutionen för energi och miljö, Installationsteknik) ; Jan-Olof Dalenbäck (Institutionen för energi och miljö, Installationsteknik)
Energy and Buildings (0378-7788). Vol. 68 (2013), p. 213-222.
[Artikel, refereegranskad vetenskaplig]

Model-based controllers are equipped with an integrated control model and utilize information about disturbances that act on the process. It is well established that the performance of building automation systems can be drastically improved by model-based controllers, but, they also lead to a substantial increase of complexity which is an obstacle for large scale implementation. In this work, model-based controllers with different measured disturbances as exogenous inputs and different types of control models were evaluated to explore the possibility of reducing complexity without compromising performance. The work was performed in a simulated environment and focuses on temperature and CO2 concentration control in individual office rooms during periods that are dominated by occupancy. All relevant internal and external disturbances in office environments were considered as both single input and combined inputs to six different control models. The key finding is that controllers with simplified control models and fewer exogenous inputs can perform almost as well as more complex controllers.

Nyckelord: Heating, ventilation and air-conditioning; Office buildings; Building climate control; Building automation; Energy efficiency; Model-based control; Predictive control; CO2 control; Temperature control



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Denna post skapades 2013-12-29. Senast ändrad 2017-10-03.
CPL Pubid: 190635

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Installationsteknik (2005-2014)

Ämnesområden

Building Futures
Energi
Hållbar utveckling
Innovation och entreprenörskap (nyttiggörande)
Energiteknik

Chalmers infrastruktur

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