Energy usage in buildings can be reduced by coordinating devices to achieve higher energetic efficiency. Even conceptually simple techniques such as daylighting, occupancy based control or scheduling are known to achieve reductions on energy costs in the order of 20-30%. In fact, multiple techniques have been proposed over the years and, to date, there is no reference text giving them a systema...

This paper examines people’s behavior as it relates to lighting usage in private offices in a university office building. Sixty-three private offices were monitored at one-minute intervals for room occupancy and lighting usage over an 11-month period in 1995. Walk-through observations were also conducted, and two written surveys were administered. Four lighting control configurations were teste...

Perceptual qualities of luminous environment change based on spatiality, time, and observer. This paper focuses on the complex interrelationships between architectural configurations, luminance distribution patterns, and the perception of spatial depth. A computational framework that draws from the recent developments in computer graphics (physically based renderings and perceptually based tone...

This study investigates the use of daylighting rules thumb in four libraries across different eras and aims to outline guides, methods strategies used by architects applying design this building typology. Two historical prior 20th century were selected identify during times when electrical lighting was not yet available buildings. In other hand, two post centruy also for a similar appraisal. Th...