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Comparison of occupancy detection algorithms, methods of signals filtration and types of requirements expression for CO2-based DCV systems

J. Sowa, 2003
carbon dioxide | demand control ventilation | occupant | standard
Bibliographic info: Healthy Buildings 2003 - Proceedings 7th International Conference (7th-11th December 2003) - National University of Singapore - Vol. 2, pp 574-579, 3 Fig., 4 Tab.., 11 Ref.
Languages: English

The paper presents part of the outcomes from the project set up by the Polish Committee forScientific Research and devoted to development of the recommended control strategies forDemand Controlled Ventilation (DCV) systems in Poland. The performance of both differentCO2-based occupancy detection algorithms for online demand controlled ventilation systemsand different methods of digital filtration of signals have been studied. Additionally, theanalysis covers three different procedures of adjusting ventilation rates according to thefollowing ventilation standards: ASHRAE 62-2001, CEN CR 1752 and Polish standard PN-83/B-03430. Computer simulation was used to present the accuracy of the analysedalgorithms.

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