Office worker response to an automated Venetian blind and electric lighting system: a pilot study

Vine, Edward; Lee, Eleanor S.; Clear, Robert; DiBartolomeo, D.L.; Selkowitz, S.E.

doi:10.1016/s0378-7788(98)00023-1

Cited by 108 publications

(54 citation statements)

References 3 publications

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“…The results suggested that occupant satisfaction increased with the semi-automatic and manual modes of operation [66]. Eighty-five percent of the participants judged the overall lighting to be comfortable in the manual mode, while 78% felt similarly about the semi-automatic mode, and 57% about the automatic mode.…”

Section: Integrated Lighting and Shading Control Systemsmentioning

confidence: 94%

“…In a mock office, Vine et al [66] evaluated workers' response to a prototype integrated photocontrolled venetian blind/dimmable lighting system designed to optimise daylight admission in an office building. Fourteen workers aged between 40-49 were tested for 3 h over a 2-week period in July under mostly sunny conditions during which the blind/lighting system was activated to operate for 1 h in three modes of operation: Manual on/off operation of lighting and blinds during which users were allowed to adjust the blinds and lights according to their preference; Automatic operation of the integrated system with a design illuminance 540-700 lux, 11% base dimming load with turn-off capability after a 10-min delay with sufficient daylight, and non-retractable blinds designed to block direct sun; and semi-automatic operation with user-preference setting of blinds and lights via a remote control, which allowed users to set the indoor illuminance level between 240-1650 lux.…”

Section: Integrated Lighting and Shading Control Systemsmentioning

confidence: 99%

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Occupant preferences and satisfaction with the luminous environment and control systems in daylit offices: a literature review

Galasiu

Veitch

2006

Energy and Buildings

471

244

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/npsi/ctrl?lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?lang=fr Access and use of this website and the material on it are subject to the Terms and Conditions set forth at http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://dx.doi.org/10.1016/j.enbuild. 2006.03.001 Energy and Buildings, 38, 7, pp. 728-742, 2006-07-01 Occupant preferences and satisfaction with the luminous environment and control systems in daylit offices: a literature review Galasiu, A. D.; Veitch, J. A. AbstractThis paper presents an overview of peer-reviewed investigations of subjective issues linked to the use of daylighting in office buildings, particularly studies of preferred physical and luminous conditions in daylit office environments, and studies of occupant satisfaction and acceptance of electric lighting and window shading controls. The literature shows a consistent strong preference for daylight and a wide distribution between individuals in relation to the preferred illuminance levels in daylit offices. Existing knowledge about how people respond to daylight-linked lighting and shading controls in the workplace is very limited; therefore, this paper presents a summary of knowledge gaps in the field of daylighting and its interaction with the occupants. The resulting key directions for future research highlight issues for which a better understanding is required for the development of lighting and window shading control systems that are both energy efficient and suitable for the office occupants. Crown

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Section: Integrated Lighting and Shading Control Systemsmentioning

confidence: 94%

Section: Integrated Lighting and Shading Control Systemsmentioning

confidence: 99%

Occupant preferences and satisfaction with the luminous environment and control systems in daylit offices: a literature review

Galasiu

Veitch

2006

Energy and Buildings

471

244

View full text Add to dashboard Cite

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“…Comfort Working space [13] 500 Comfortable Office work [14] 500 Comfortable Office work [15] 840-2146 (morning) 840-2146 (morning) Comfortable Office work [4,5,15] 782-1278 (afternoon) 782-1278 (afternoon) Comfortable 700-1800 700-1800 Comfortable Computer work [16] 100-2000 100-2000 Useful Daylight Illuminance Any types of work [12] Switchable glazing includes electrochromic (EC) [17][18][19], gasochromic [20], thermochromic [21], thermotropic [22,23], liquid crystal (LC) [24], suspended particle device (SPD) [25][26][27][28] and phase change materials (PCM) [29]. These glazing can be electrically, thermally, or chemically actuated.…”

Section: Introductionmentioning

confidence: 99%

Daylight characteristics of a polymer dispersed liquid crystal switchable glazing

Ghosh

Norton²,

Mallick

2018

Solar Energy Materials and Solar Cells

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“…Vine et al studied the user's preferences for different blind systems (from automatic to manual). They found that users largely preferred the manual systems and complained about the too dim lit environment caused by the automatic blind system [17].…”

Section: Introductionmentioning

confidence: 99%

Solar Shading in Low Energy Office Buildings - Design Strategy and User Perception

Grynning

Lolli

Wågø

et al. 2017

Journal of Daylighting

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The objective of this paper is to investigate the visual comfort and quality of daylight in modern office buildings in the Nordic climate. A study of various daylight-related aspects and qualities was carried out for three different office buildings, using a combination of quantitative and qualitative methods. The focus was on a combination of user perception of daylight quality and assessment of the daylight amount and quality, by using the daylight factor (DF) and useful daylight illuminance parameters. Previous studies and experiences from construction examples indicate that users, in general, complain about lack of manual control of systems and too low daylight levels, even if the requirements in the building codes are satisfied. Furthermore, they complain about control algorithms of the shading devices, which cause undesired automatic opening and closure of such devices. Thus, causing disturbances and irritation amongst the users. Hence, interviews with key personnel in a modern and architecturally acclaimed office building were carried out in addition to an in-depth analysis of previous surveys of a zero-energy office building. It was found that automatic moveable shading can be regarded as a source of discomfort. This is due to the lack of manual-control override possibilities, which causes disturbances due to the system moving up and down. In one of the offices, the users disabled the exterior shading system. However, the external fixed shading and the internal manually operated roller blinds were found to be satisfactory. The results from a previous study showed that the users in the Marche building are in general satisfied with the daylight. One of the main reasons for this, according to the users, is that they have manual control of the shading system. Manual control of the shading systems is preferred by users in the office buildings studied. Daylight simulations showed that the external fixed shading system combined with internal shading give satisfactory DFs and an even distribution of the daylight levels in a south-facing office. According to the users, the external fixed shading is a good system for south facing offices, when local glare issues can be solved by interior roller shades. The DF gives information of the daylight distribution, which in certain cases might be adequate. However, this is not enough as a descriptor for user comfort, as other factors such as manual control possibilities and glare discomfort are not included.

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Office worker response to an automated Venetian blind and electric lighting system: a pilot study

Cited by 108 publications

References 3 publications

Occupant preferences and satisfaction with the luminous environment and control systems in daylit offices: a literature review

Occupant preferences and satisfaction with the luminous environment and control systems in daylit offices: a literature review

Daylight characteristics of a polymer dispersed liquid crystal switchable glazing

Solar Shading in Low Energy Office Buildings - Design Strategy and User Perception

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