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Author Gutierrez-Escolar, A.; Castillo-Martinez, A.; Gomez-Pulido, J.; Gutierrez-Martinez, J.-M.; Stapic, Z.; Medina-Merodio, J.-A.
Title (up) A Study to Improve the Quality of Street Lighting in Spain Type Journal Article
Year 2015 Publication Energies Abbreviated Journal Energies
Volume 8 Issue 2 Pages 976-994
Keywords Energy; Lighting; Planning; Regulation
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ISSN 1996-1073 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ christopher.kyba @ Serial 1096
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Author Li, Q.F.; Yang, G.X.; Yu, L.H.; Zhang, H.
Title (up) A survey of the luminance distribution in the nocturnal environment in Shanghai urban areas and the control of luminance of floodlit buildings Type Journal Article
Year 2006 Publication Lighting Research & Technology Abbreviated Journal Lighting Research & Technology
Volume 38 Issue 3 Pages 185-189
Keywords Lighting
Abstract A survey of the luminance distribution of the nocturnal environment in Shanghai urban areas, which included 11 locations and 16 buildings, was made. The 11 locations could be categorized as commercial, administration, leisure or residential. The average environmental luminance of these was recorded. The authors identified the effects of excessive exterior lighting. The luminance was measured and subjective appraisals made of 16 buildings. The writers have developed an empirical formula for arriving at the brightness level rating for floodlit buildings and recommended corresponding working ranges of luminance.
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ISSN 1477-1535 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number GFZ @ kyba @ Serial 2715
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Author Arnold, G.; Mellinger, D.; Markowitz, P.; Burke, M.; Lahar, D.
Title (up) A Win-Win-Win for Municipal Street Lighting: Converting Two-Thirds of Vermont's Street Lights to LED by 2014. Type Journal Article
Year 2012 Publication American Council for an Energy-Efficient Economy. Abbreviated Journal
Volume Issue Pages
Keywords Lighting Systems
Abstract Reducing energy costs and enhancing the nighttime environment with LED street lighting

is by now well understood. However, few municipalities and utilities have successfully taken

advantage of this opportunity to convert their street lighting operations to LEDs. Before a

system-wide conversion of existing street lights can occur, a utility must obtain the large amount

of required capital, identify appropriate LED street light equipment for their applications,

consider changes in utility rate structures, and design effective methods for recovering costs.

Using Vermont as a case study, this paper presents a partnership model among the statewide

energy efficiency utility, the state’s largest electric utilities, and several municipalities. The

model was designed to overcome the challenges to widespread LED street light conversion. By

2014, more than two-thirds of Vermont’s municipal street lights will be upgraded to LED

technology. The conversion will: (1) provide municipalities with better nighttime street lighting

and significant cost savings—at no additional capital expense to the municipalities, (2) deliver

8,000 MWh of cost-effective new savings to the energy efficiency utility, and (3) deliver

financially attractive returns for Vermont’s utilities. This win-win-win model is scalable and

replicable, and is now being considered in Massachusetts and Rhode Island
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Notes Approved no
Call Number LoNNe @ christopher.kyba @ Serial 446
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Author Takemura, Y.; Ito, M.; Shimizu, Y.; Okano, K.; Okano, T.
Title (up) Adaptive light: a lighting control method aligned with dark adaptation of human vision Type Journal Article
Year 2020 Publication Scientific Reports Abbreviated Journal Sci Rep
Volume 10 Issue 1 Pages 11204
Keywords Human Health; Vision; Lighting
Abstract Light exposure before sleep causes a reduction in the quality and duration of sleep. In order to reduce these detrimental effects of light exposure, it is important to dim the light. However, dimming the light often causes inconvenience and can lower the quality of life (QOL). We therefore aimed to develop a lighting control method for use before going to bed, in which the illuminance of lights can be ramped down with less of a subjective feeling of changes in illuminance. We performed seven experiments in a double-blind, randomized crossover design. In each experiment, we compared two lighting conditions. We examined constant illuminance, linear dimming, and three monophasic and three biphasic exponential dimming, to explore the fast and slow increases in visibility that reflect the dark adaptation of cone and rod photoreceptors in the retina, respectively. Finally, we developed a biphasic exponential dimming method termed Adaptive Light 1.0. Adaptive Light 1.0 significantly prevented the misidentification seen in constant light and effectively suppressed perceptions of the illuminance change. This novel lighting method will help to develop new intelligent lighting instruments that reduce the negative effect of light on sleep and also lower energy consumption.
Address The Smart Life Science Institute, ACROSS, Waseda University, Tokyo, Japan. okano@waseda.jp
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Language English Summary Language Original Title
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Series Volume Series Issue Edition
ISSN 2045-2322 ISBN Medium
Area Expedition Conference
Notes PMID:32641723; PMCID:PMC7343865 Approved no
Call Number GFZ @ kyba @ Serial 3050
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Author Bhukya, K. A., Ramasubbareddy, S., Govinda, K., & Srinivas, T. A. S.
Title (up) Adaptive Mechanism for Smart Street Lighting System Type Journal Article
Year 2019 Publication Smart Intelligent Computing and Applications Abbreviated Journal
Volume 160 Issue Pages 69-76
Keywords Lighting
Abstract The adaptive street light has the ability to adapt to the motion of cycles, cars and pedestrians. It uses motion as well as light sensors to detect the traffic and light around. It dims when there is no movement on the road, and is brightened when there is any activity. Smart street lights are very dissimilar from the old methods of lighting. It is an automated system that will be able to automate the streets. The main objective of these lights is to decrease the utilization of power, while no activity is detected on the street. It will be switched ON while there are pedestrians and cars on the street or else they will get dimmed to 20% of the brightness. The proposed approach gives a method to conserve power by using the PIR sensors to sense the incoming traffic and hence turning ON a cluster of lights surrounding the traffic. As the traffic is passing by, the street lights left behind will dim on its own. Hence, a lot of power can be conserved. Also, during the day time when there is no need of light the LDR sensor will sense the light and the light will remain switched OFF. This smart street light system comes under the domain of smart city.
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Notes Approved no
Call Number IDA @ intern @ Serial 2723
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