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Co-simulation for building controller development: The case study of a modern office building


C. Sagerschnig, D. Gyalistras, A. Seerig, S. Privara, J. Cigler, Z. Vana

CISBAT 2011, 14-16 Sept. 2011, Lausanne, Switzerland, pp. 6

We report our experience from using co-simulation in the context of a demanding building control study. The object under investigation was a 20000 m2 newly-built office building in Munich. Considered was the control of radiant ceilings, heating convectors, mechanical ventilation, blinds and lighting for one floor that was subdivided in 28 building zones. We employed the Building Controls Virtual Test Bed (BCVTB) middleware to couple the EnergyPlus building energy performance simulation software with the MATLAB numerical computing environment. We found that this set-up enables a structured and flexible approach to controller development and building simulation, even for sophisticated control problems. On the downside, debugging of the simulations became more difficult and simulation times were found to increase by a factor 2 to 10. Considerable know-how and effort are currently necessary to set up and operate the co-simulations. A newly developed software layer that helps minimizing this effort is presented.

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% Autogenerated BibTeX entry
@InProceedings { SagEtal:2011:IFA_4011,
    author={C. Sagerschnig and D. Gyalistras and A. Seerig and S. Privara and J.
	  Cigler and Z. Vana},
    title={{Co-simulation for building controller development: The case
	  study of a modern office building}},
    booktitle={CISBAT 2011, 14-16 Sept. 2011, Lausanne, Switzerland},
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