Monitoring and modelling of manually-controlled Venetian blinds in private offices: a pilot study
- 1 June 2008
- journal article
- research article
- Published by Taylor & Francis in Journal of Building Performance Simulation
- Vol. 1 (2) , 75-89
Abstract
This study presents results from a window blind usage survey and field study that was conducted in California, USA during a period spanning from the vernal equinox to the winter solstice. A total of 113 office building occupants participated in the survey. Twenty-five occupants participated in the field study. In this study, 83 measurements of physical environmental conditions were cross-linked with participants' window blind controlling preferences. A total of 13 predictive window blind control bivariate and multivariate logistic models were derived. As hypothesised, the probability of a window blind closing event increased as the magnitude of physical environmental and confounding factors increased (p < 0.01). The main predictors were window/background luminance level and vertical solar radiation at the window. The confounding factors included MRT, direct solar penetration and participants' self-reported sensitivity to brightness. The results showed that the models correctly predict between 72–89% of the observed window blind control behaviour. This research extends the knowledge of how and why building occupants manually control window blinds in private offices, and provides results that can be directly implemented in energy simulation programs.Keywords
This publication has 20 references indexed in Scilit:
- Integrated energetic approach for a controlable electrochromic deviceEnergy and Buildings, 2004
- Comparison of the performance of fuzzy controllers for the management of the indoor environmentBuilding and Environment, 2003
- An energy-efficient controller for shading devices self-adapting to the user wishesBuilding and Environment, 2002
- A methodology for simulation of daylight room illuminance distribution and light dimming for a room with a controlled shading deviceSolar Energy, 2002
- Advanced fuzzy logic controllers design and evaluation for buildings’ occupants thermal–visual comfort and indoor air quality satisfactionEnergy and Buildings, 2001
- An innovative lighting controller integrated in a self-adaptive building control systemEnergy and Buildings, 2001
- Assessing building performance in use 2: technical performance of the Probe buildingsBuilding Research & Information, 2001
- Occupant control of passive systems: the use of Venetian blindsBuilding and Environment, 2001
- Thermal and daylighting performance of an automated venetian blind and lighting system in a full-scale private officeEnergy and Buildings, 1998
- The use of artificial lighting in relation to daylight levels and occupancyBuilding and Environment, 1979