Pressure controlled variable air volume system

In-situ validation of a fault tolerant control strategy for VAV systems

“…On one hand, the supply fans in a VAV system should be controlled to provide sufficient static pressure, so that all the VAV terminals are able to modulate their damper openings to control the air flow supplied to their corresponding air conditioned space. On the other hand, the supply air static pressure in the system should be kept as low as possible to save supply fan energy [1]. Therefore, the supply air static pressure should be optimized in order to balance the two objectives.…”