APPLICATION OF THE PEREZ MODEL IN DAYLIGHT DIMMING SYSTEM-ANALYSIS

This research study considers the performance of a computer model that considers the directional response of a photosensor and the applicati on of the Perez daylight model in the analysis of da) light-responsive dimming systems. Field measurements were undertaken to evaluate the a bility of a computer model to predict both the photosensor signal and the dimming level/energy consumption of an installed system. Weather d ata from nearby weather stations was used as input to the Perez daylig ht model. The results from predictions and field measurements show gen erally good agreement between measurements and predictions. Issues tha t affect the relative agreement between predictions and measurements a re also discussed.