Control tuning of a simplified VAV system : methodology and impact on energy consumption and IAQ

Abstract : Nowadays, with the improvement of living standards, air-conditioning systems have been widely used causing more health problems linked to air-conditioning systems and indoor air quality. When an air handling unit is designed for a conference room, its variable use demands an outdoor air rate control in particular to optimize energy consumption of the new air heating/cooling. Based on an experimental site, the present work shows how to combine air quality and the improvement of energy consumption thanks to a way to define a control strategy. The control problem considered here is the management of air quality associated to a control of the outdoor air rates. A review of classical tuning methods is led in order to select suitable ones. Thus, a linearization of the phenomena must be done to border the system expression in tuning methods. Several classical methods are studied and the family model is chosen: monovariable and multivariable applications are brought to fruition. Simulations and applications permit to enhance energy consumption through the choice of a strict way to tune such control equipments.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00509382
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Soumis le : jeudi 12 août 2010 - 09:33:30
Dernière modification le : mardi 27 mars 2018 - 16:06:17

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Stéphane Ginestet, Dominique Marchio. Control tuning of a simplified VAV system : methodology and impact on energy consumption and IAQ. Energy and Buildings, Elsevier, 2010, 42 (8), pp.1205-1214. ⟨10.1016/j.enbuild.2010.02.011⟩. ⟨hal-00509382⟩

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