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Journal articles on the topic 'Lighting change'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Kato, Kenji. "Change of Stage Lighting." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 82, no. 4 (1998): 262. http://dx.doi.org/10.2150/jieij1980.82.4_262.

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2

Boyce, Peter. "Editorial: Lighting and climate change." Lighting Research & Technology 51, no. 7 (2019): 981. http://dx.doi.org/10.1177/1477153519881575.

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3

Yamashita, Shuji, Yoshihiro Noguchi, Masafumi Kubota, et al. "Color Change of Various Medicines under LED Lighting and Fluorescent Lighting." Iryo Yakugaku (Japanese Journal of Pharmaceutical Health Care and Sciences) 41, no. 3 (2015): 198–204. http://dx.doi.org/10.5649/jjphcs.41.198.

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4

Shu, Hong Chun, Bin Zhang, Guang Bin Zhang, and Rui Min Duan. "Identification of Lightning Disturbance in UHVDC Transmission Lines Using Correlation Degree Based on Short Time Window Data." Advanced Materials Research 433-440 (January 2012): 3787–91. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.3787.

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In this paper, the simulation of ±800kV UHVDC transmission line in which fault lightning stroke and non-fault lightning stroke, line short circuit occur shows: because there is fault current lumped parameter access to earth during the fault lightning stroke or ground fault, the voltage waveform decrease suddenly and cross repeatedly the zero line in 5ms time window；There is no fault current accessing to earth during non-fault lighting stroke, the disturbance caused by lightning is too less than value of the pole voltage. The voltage waveform comes from the protect position change up and down a

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Wen, Jian Jun, Bo Ding, and Le Zhang. "Study on Floating Roof Tank Nitrogen Lightning Protection System." Applied Mechanics and Materials 716-717 (December 2014): 790–94. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.790.

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In order to study the feasible floating roof tank lighting protection technology, this paper put forward making oxygen concentration remain below 8% through inerting sealed space, thus reduces fire risk. By analyzing the oxygen concentration change after injecting nitrogen into the sealed space, sets up the relationship between the oxygen concentration change and nitrogen injection volume. Mean while, through the experiment when the sealed space maintains the micro positive pressure, established a formula about the nitrogen flow and micro positive pressure, which can obtain nitrogen amount dir

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Kwon, Sook-Youn, Kyoung-Mi Im, and Jae-Hyun Lim. "LED Context Lighting System in Residential Areas." Scientific World Journal 2014 (2014): 1–16. http://dx.doi.org/10.1155/2014/851930.

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As issues of environment and energy draw keen interest around the globe due to such problems as global warming and the energy crisis, LED with high optical efficiency is brought to the fore as the next generation lighting. In addition, as the national income level gets higher and life expectancy is extended, interest in the enhancement of life quality is increasing. Accordingly, the trend of lightings is changing from mere adjustment of light intensity to system lighting in order to enhance the quality of one’s life as well as reduce energy consumption. Thus, this study aims to design LED cont

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Leng, Wanchun, Guojin He, and Wei Jiang. "Investigating the Spatiotemporal Variability and Driving Factors of Artificial Lighting in the Beijing-Tianjin-Hebei Region Using Remote Sensing Imagery and Socioeconomic Data." International Journal of Environmental Research and Public Health 16, no. 11 (2019): 1950. http://dx.doi.org/10.3390/ijerph16111950.

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With rapid urbanization and economic development, artificial lighting at night brings convenience to human life but also causes a considerable urban environmental pollution issue. This study employed the Mann-Kendall non-parametric test, nighttime light indices, and the standard deviation method to investigate the spatio-temporal characteristics of artificial lighting in the Beijing-Tianjin-Hebei region. Moreover, nighttime light imagery from the Defense Meteorological Satellite Program Operational Linescan System, socioeconomic data, and high-resolution satellite images were combined to compr

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Lu, Y., W. Li, W. Xu, and Y. Lin. "Impacts of LED dynamic white lighting on atmosphere perception." Lighting Research & Technology 51, no. 8 (2019): 1143–58. http://dx.doi.org/10.1177/1477153518823833.

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This paper investigated atmosphere perception as dynamic white lighting varied in illuminance or correlated colour temperature in different directions and with different functional forms of change. Fifteen Chinese observers evaluated 32 dynamic lighting stimuli. A 13-scale questionnaire was employed for each stimulus. Factor analysis was adopted to examine the gender difference and the effect on atmosphere perception. Two dimensions of atmosphere perception were obtained and identified as coziness and liveliness for both illuminance change and correlated colour temperature change. Gender diffe

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9

Tonzani, Stefano. "Lighting technology: Time to change the bulb." Nature 459, no. 7245 (2009): 312–14. http://dx.doi.org/10.1038/459312a.

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Guo, Jian Jun, Hua Bai, Lie Lin, and Guo Qing Tang. "Effect of Exciting Conditions on the Delayed Luminescence of Soybeans." Advanced Materials Research 641-642 (January 2013): 736–39. http://dx.doi.org/10.4028/www.scientific.net/amr.641-642.736.

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The effects of different lighting energy and different radiant power on the properties of delayed luminescence of beans were discussed. It is showed when lighting energy is from 2 to 25mJ, initial intensity A changes very much from 1200 to 8600. When lighting energy is from 200 to 600 mJ, initial intensity A has little change. Initial intensity A is in a linear relation with radiant power.

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Marković, Srđan, Marija Obradović, and Alexandros Demetriades. "Interactive change of lighting in the portrait images." FME Transactions 47, no. 2 (2019): 326–30. http://dx.doi.org/10.5937/fmet1902326m.

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12

Viikari, M., M. Puolakka, L. Halonen, and A. Rantakallio. "Road lighting in change: User advice for designers." Lighting Research & Technology 44, no. 2 (2011): 171–85. http://dx.doi.org/10.1177/1477153511424473.

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13

Kondratieva, Nadezhda P., Dmitry A. Filatov, and Pavel V. Terentiev. "Study of Operating Modes of a Controllable Lighting System Consisting of a Triac Dimmer and a LED Light Source with a Controllable Driver." Light & Engineering, no. 04-2020 (August 2020): 84–90. http://dx.doi.org/10.33383/2019-083.

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The article covers the study of the effect of a dimmer on operation of a light source and elec tromagnetic compatibility of a controllable light ing system. It is found that with reduction of ac tive power P of a light source its luminous flux and bulb heating temperature decrease, the power factor of the lighting system decreases too with increas ing of the total harmonic distortion current factor of the lighting system. The changes are non-linear. Mathematical expressions related to changes of lu minous flux, heating temperature, power factor and total harmonic distortion caused by change of

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Hajjaj, Mohammed, Mitsunori Miki, and Katsunori Shimohara. "The Effect of Utilizing Distributed Intelligent Lighting System for Energy Consumption in the Office." Applied Sciences 10, no. 6 (2020): 2004. http://dx.doi.org/10.3390/app10062004.

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We have been examining how an intelligent lighting system affects energy consumption in the office. In this paper, we evaluate the traditional intelligent lighting system at the office and how to improve the best use of the intelligent lighting system by each user. The user in the large office is not able to change the level of luminance. Moreover, the traditional lighting system is not able to specify which desk is occupied or not occupied by each worker. The proper use of lighting control affects the power consumption, and the worker sometimes forgets to change the occupancy status after lea

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Yang, Tao, Xiang Li, Yong Tian Wang, and Yue Liu. "Self-Adaptive Illumination Method for Optical Multi-Touch System." Key Engineering Materials 480-481 (June 2011): 1463–68. http://dx.doi.org/10.4028/www.scientific.net/kem.480-481.1463.

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The uneven illumination distribution would affect the accuracy and stability of an optical multi-touch system. In this paper, different self-adaptive methods based on the type of interference source are integrated. When the ambient lighting changes, the luminance of the captured image will changes accordingly. This method tests the type of interference source by the speed and the region of ambient lighting change, and uses different function to update the background image rapidly. Experimental results show that with the help of the presented solutions, the ghost points are efficiently reduced

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Newsham, GR, and JA Veitch. "Lighting quality recommendations for VDT offices: a new method of derivation." Lighting Research & Technology 33, no. 2 (2001): 97–113. http://dx.doi.org/10.1177/136578280103300205.

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An experiment in a mock-up office space gave occupants control over dimmable lighting circuits after a day working under pseudo-random lighting conditions. Data analysis indicated that the lighting experienced during the day influenced the changes in lighting made at the end of the day. Occupants chose to reduce screen glare if any existed. Even after allowing for the effect of glare, desktop illuminance at day’s end varied with the illuminance experienced during the day. Regression of these end-of-day choices relative to the illuminance experienced during the day can yield a preferred illumin

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17

Luo, H.-W., C.-J. Chou, H.-S. Chen, and MR Luo. "Museum lighting with LEDs: Evaluation of lighting damage to contemporary photographic materials." Lighting Research & Technology 51, no. 3 (2018): 417–31. http://dx.doi.org/10.1177/1477153518764538.

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It is possible to assess the damage to artworks by measuring different physical and chemical parameters. One of the most important parameters is colour difference, which is a consequence of chemical changes in the material. CIE 157:2004 ‘Control of Damage to Museum Objects by Optical Radiation’ classifies museum collections into four groups, according to different levels of light fastness. However, these classes were developed from research using traditional light sources. Even though LED technology is becoming more popular, there is no advanced evaluation of colour fading or a colour change t

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18

Mendes, M., A. Karaabayir, I. E. Ersoy, and C. Atasoglu. "Effects of Three Different Lighting Programs on Live Weight Change of Bronze Turkeys under Semi-Intensive Conditions." Archives Animal Breeding 48, no. 1 (2005): 86–93. http://dx.doi.org/10.5194/aab-48-86-2005.

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Abstract. A study was conducted to evaluate the influence of three lighting programs (23L: 1D), (18L: 6D), and (12L: 12D) on live weight changes of American Bronze turkeys by Profile analysis technique. The F-statistics and Wilk’s Lamba statistics for testing group-response interaction or similar profiles suggested that there was a significant interaction effect (p<0.01). The effects of the three lighting programs on live weight gain appeared to be different throughout the study except for the last 6 weeks. On the other hand, the results of the present study suggested that the effect of the

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19

Shakooryi, S. M., E. Abdi Ghezeljeh, M. Danesh Mesgaran, and S. A. Mirghelenj. "The effect of different lightning programs on reproductive performance of native turkeys." Proceedings of the British Society of Animal Science 2009 (April 2009): 232. http://dx.doi.org/10.1017/s1752756200030714.

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Lighting is very important for turkey production, because their life period is longer than poultry (Nixey 1994). One of the important effects of lighting is to change the time of sexual maturity in pullets. Classen et al. (1994) concluded that constant light causes an increase incidence of leg problem and metabolic disorders. With lighting programs and lighting intensity, time of sexual maturation can be modified. Because there is little information about lighting programs in native turkey production in Iran, the aim of this research is determining the best lighting program for native turkey p

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20

Kolpakhchyan, Pavel. "THE USE OF PHOTOVOLTAIC PANELS WHEN CONDITIONS CHANGE LIGHTING." University News. North-Caucasian Region. Technical Sciences Series, no. 2 (March 2017): 29–34. http://dx.doi.org/10.17213/0321-2653-2017-2-29-34.

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21

Ixtaina, P. A., A. Armas, B. Bannert, and G. H. Marin. "Use Effects on the Reflection of Macro Textured Surfaces." Journal of Applied Engineering Sciences 6, no. 1 (2016): 51–56. http://dx.doi.org/10.1515/jaes-2016-0007.

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Abstract The emergence of led luminaries in street lighting has modified traditional design guidelines. The highest led energy efficiency allows keeping suitable lighting levels with less installed power. Thus, the present design line of a street lighting installation is closely related to the technological change: kind of led to be used, suitable lens, efficacy relationship regarding high pressure sodium, light colour temperature, spectrum. The “impact” associated to with led conversion relegates main aspects of street designs: effect of road reflective properties and installation depreciatio

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22

Zachau, M., and A. Konrad. "Nanomaterials for Lighting." Solid State Phenomena 99-100 (July 2004): 13–18. http://dx.doi.org/10.4028/www.scientific.net/ssp.99-100.13.

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Luminescent and non-luminescent nano materials are used today in a variety of lighting applications. One example is the thin layer of densely packed nano alumina between glass and phosphor in fluorescent lamps that serves to increase the efficiency, to improve the maintenance and to reduce the mercury consumption of the lamps. Further, non-luminescent nano materials may be used to form a thin conformal coating around phosphor particles that protects the phosphor particles and improves the efficiency and maintenance of fluorescent lamps. Luminescent nano materials have been the subject of exten

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23

Martin, Roger D., and Fred Phillips. "Aerospace Lighting, Inc. (ALI): Linking Business Strategy to Audit Planning." Issues in Accounting Education 21, no. 3 (2006): 313–21. http://dx.doi.org/10.2308/iace.2006.21.3.313.

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Aerospace Lighting Inc. (ALI) is a supplier of cabin lighting systems to the aerospace industry. A recent change in ALI's ownership has prompted a change in the company's business strategy, as well as a change in the company's external auditors. As a member of the audit team, your assignment is to write a memo that identifies significant business risks facing ALI and elaborates on potential audit issues.

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24

Мamotenko, A. V. "The Influence of Long-Term Change in the Light Regime on the Level of Sex Hormones in Rats’ Blood." Ukraïnsʹkij žurnal medicini, bìologìï ta sportu 6, no. 1 (2021): 311–18. http://dx.doi.org/10.26693/jmbs06.01.311.

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The modern lifestyle of many people takes place in conditions of "light pollution". Prolongation of the photoperiod not only inhibits the synthesis and secretion of melatonin (universal endogenous adaptogen), but also causes induction of anovulation and promotes premature puberty and premature aging, which may occur against the background of impaired secretion of sex hormones. The purpose of the study was to examine the long-term change in the light regime to the level of sex hormones, testosterone and estradiol in the blood plasma of rats. The experiment was performed on 120 Wistar rats. Acco

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Fotios, S., H. Castleton, and B. Yang. "Does expression choice affect the analysis of light spectrum and facial emotion recognition?" Lighting Research & Technology 50, no. 2 (2016): 294–302. http://dx.doi.org/10.1177/1477153516651923.

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Facial emotion recognition has been used as a representative pedestrian activity in studies examining the effect of changes in road lighting. Past studies have drawn conclusions using results averaged across performance with the six universally recognised expressions. This paper asks whether expression choice matters. A reanalysis of past data for each unique expression does not suggest a change in the conclusion that facial emotion recognition is not significantly affected by the spectral power distribution of the lighting.

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Riikonen, Johanna, and Juha Lappi. "Responses of Norway spruce seedlings to different night interruption treatments in autumn." Canadian Journal of Forest Research 46, no. 4 (2016): 478–84. http://dx.doi.org/10.1139/cjfr-2015-0355.

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Photoperiodic lighting can be used in late summer to prevent height growth cessation and terminal bud formation in nurseries growing forest tree species in Nordic countries. To create guidelines for using the method in container nurseries growing Norway spruce (Picea abies (L.) Karst.) and to test the use of light-emitting diode (LED) technology, we exposed first-year, nursery grown seedlings to the following night interruption (NI) treatments from 10 July 2014 onwards (00:00–03:00): (i) no lighting, (ii) 1 min lighting at intervals of 30 min, (iii) 1 min lighting at intervals of 15 min, and (

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Chen, Chien-Yu, Pei-Jung Wu, Yu-Jen Hsiao, and Yu-Wen Tai. "Changes in Humans' Autonomic Nervous System under Dynamic Lighting Environment During A Short Rest." Journal of Healthcare Engineering 2021 (August 20, 2021): 1–7. http://dx.doi.org/10.1155/2021/6697701.

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Overloaded work and life stress often result in excessive fatigue and stresses in people, further leading to psychological burden and physiological disease. In this case, good rest is important in busy life. Good rest could result in good quality of life and work efficiency. In order to assist people in getting into deep rest to obtain a restorative state after fatigue, a dynamic lighting system with low-frequency change for assisting users in effective relaxation is proposed in this study. Heart rate variability analysis is used for discussing the change in the autonomic nervous system of the

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Penacchio, Olivier, P. George Lovell, and Julie M. Harris. "Is countershading camouflage robust to lighting change due to weather?" Royal Society Open Science 5, no. 2 (2018): 170801. http://dx.doi.org/10.1098/rsos.170801.

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Countershading is a pattern of coloration thought to have evolved in order to implement camouflage. By adopting a pattern of coloration that makes the surface facing towards the sun darker and the surface facing away from the sun lighter, the overall amount of light reflected off an animal can be made more uniformly bright. Countershading could hence contribute to visual camouflage by increasing background matching or reducing cues to shape. However, the usefulness of countershading is constrained by a particular pattern delivering ‘optimal’ camouflage only for very specific lighting condition

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Cheng, Jeffrey Y. C., Nancy C. Y. Wong, Tony W. L. Ho, Hiu Fai Kwong, Roger T. H. Ng, and Howard Cheung. "A case study of lighting retrofit to improve building energy efficiency and lighting quality by using luminaires with nano optical coating." Special Issue with Awarded and Shortlisted Papers from the HKIE Outstanding Paper Award for Young Engineers/Researchers 2020 27, no. 4 (2021): 156–65. http://dx.doi.org/10.33430/v27n4thie-2020-0008.

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Lighting retrofit is a common technique to reduce lighting energy use and to improve lighting quality. It is usually performed by replacing the lamps in the existing luminaires with more efficient lamps. Despite the high potential to enhance lighting performance by improving other parts of the luminaires such as reflectors, lighting retrofits usually keep their designs unchanged and focus on the change of the lamps. In this case study, an alternative lighting retrofit method - the replacement of reflectors using a nano optical coating - was tested in a typical office in Hong Kong. The case stu

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Cheng, Jeffrey Y. C., Nancy C. Y. Wong, Tony W. L. Ho, Hiu Fai Kwong, Roger T. H. Ng, and Howard Cheung. "A case study of lighting retrofit to improve building energy efficiency and lighting quality by using luminaires with nano optical coating." Special Issue with Awarded and Shortlisted Papers from the HKIE Outstanding Paper Award for Young Engineers/Researchers 2020 27, no. 4 (2021): 156–65. http://dx.doi.org/10.33430/v27n4thie-2020-0008.

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Lighting retrofit is a common technique to reduce lighting energy use and to improve lighting quality. It is usually performed by replacing the lamps in the existing luminaires with more efficient lamps. Despite the high potential to enhance lighting performance by improving other parts of the luminaires such as reflectors, lighting retrofits usually keep their designs unchanged and focus on the change of the lamps. In this case study, an alternative lighting retrofit method - the replacement of reflectors using a nano optical coating - was tested in a typical office in Hong Kong. The case stu

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31

Makihara, Yasushi, Masao Takizawa, Yoshiaki Shirai, and Nobutaka Shimada. "Adaptation to change of lighting conditions for interactive object recognition." Systems and Computers in Japan 38, no. 4 (2007): 52–62. http://dx.doi.org/10.1002/scj.20228.

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32

RAO Feng, 饶丰, 徐安成 XU An-cheng, and 朱锡芳 ZHU Xi-fang. "Change of The Circadian Effect of LED Lighting with Age." Chinese Journal of Luminescence 37, no. 2 (2016): 250–55. http://dx.doi.org/10.3788/fgxb20163702.0250.

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33

Otasowie, P. O., and O. Siloko. "Design and Implementation of a Power Failure Home Lighting System Using LED Arrays." Advanced Materials Research 824 (September 2013): 108–13. http://dx.doi.org/10.4028/www.scientific.net/amr.824.108.

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This paper is on the design and implementation of a power failure lighting system using light emitting diodes (LED) arrays. The aim of this work is to design and implement a lighting system that can provide low power at home when there is power failure. The lighting system was achieved by the design of the: Power Supply Unit, Charging Unit, Change Over Switch, Battery Level Indicator, LED arrays.The power failure home lighting system was designed and implemented in a three bedroom flat apartment in Benin City when there was power failure. The total lighting points in the house consume a total

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Davies, Matthew W., and David P. Farrington. "An examination of the effects on crime of switching off street lighting." Criminology & Criminal Justice 20, no. 3 (2018): 339–57. http://dx.doi.org/10.1177/1748895818818861.

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Prior reviews suggest that improving street lighting leads to a decrease in offending, but little is known about the effects of switching off street lighting. The present research investigates the effects of switching off street lighting in Maldon, Essex, by comparing police-recorded crime rates before and after, in Maldon and in the adjacent area of Braintree, Essex. After street lighting was switched off, burglary and vehicle crime increased relatively in Maldon, but criminal damage did not change, and violence decreased relatively in Maldon. Since violence is a costly crime, switching off s

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Purohit, Pallav, and Axel Michaelowa. "CDM potential of SPV lighting systems in India." Mitigation and Adaptation Strategies for Global Change 13, no. 1 (2007): 23–46. http://dx.doi.org/10.1007/s11027-006-9078-x.

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Choi, Joon-Ho. "Investigation of human eye pupil sizes as a measure of visual sensation in the workplace environment with a high lighting colour temperature." Indoor and Built Environment 26, no. 4 (2016): 488–501. http://dx.doi.org/10.1177/1420326x15626585.

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Among indoor environmental quality components, such as lighting, thermal, acoustic and spatial conditions, lighting quality is one of the significant factors that affect human environmental health and work productivity, especially as they pertain to human visual comfort and satisfaction. With the help of advanced sensing technologies, this study utilized a human body’s physiological principle to instantly react to its ambient environmental lighting condition to estimate a user’s visual sensation. Thus, this research investigated the possibility of using human eye pupil sizes as a measure of vi

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Spieringhs, Rik M., Michael J. Murdoch, and Ingrid M. L. C. Vogels. "Time course of chromatic adaptation under dynamic lighting." Color and Imaging Conference 2019, no. 1 (2019): 13–18. http://dx.doi.org/10.2352/issn.2169-2629.2019.27.4.

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Chromatic adaptation is an extensively studied concept. However, less is known about the time course of chromatic adaptation under gradually-changing lighting. Two experiments were carried out to quantify the time course of chromatic adaptation under dynamic lighting. In the first experiment, a step change in lighting chromaticity was used. The time course of adaptation was well described by the Rinner and Gegenfurtner slow adaptation exponential model [Vision Research, 40(14), 2000], and the adaptation state after saturation differed between observers. In the second experiment, chromatic adap

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Leśko, Marcin, Antoni Różowicz, Krzysztof Baran, and Henryk Wachta. "A luminaire with variable light distribution." E3S Web of Conferences 49 (2018): 00066. http://dx.doi.org/10.1051/e3sconf/20184900066.

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Industrial facilities such as production and storage halls are a specific environment, which is usually characterized by a large usable area, which is managed in a way that brings together in the given area many functional zones for various purposes. Frequent changes in the management of industrial halls gives a need to change the lighting method. In such a situation, a lighting solution that enables the photometric characteristics of the luminaires to be adapted to variable development of the facility, covering not only the quantitative regulation of the luminous flux, but also the direction

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Fotios, Steve A., Chloe J. Robbins, and Stephen Farrall. "The Effect of Lighting on Crime Counts." Energies 14, no. 14 (2021): 4099. http://dx.doi.org/10.3390/en14144099.

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The influence of lighting on crime was investigated by considering the effect of ambient light level on crimes recorded in three US cities for the ten-year period 2010 to 2019. Crime counts were compared for similar times of day, before and after the biannual clock change, therefore employing an abrupt change of light level but without an obvious intervention such as improving road lighting in an area. The results suggest a significant increase in robbery during darkness, confirming previous studies. The results also suggest darkness leads to an increase in arson and curfew loitering offenses,

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Leccese, Francesco, Davide Lista, Giacomo Salvadori, Marco Beccali, and Marina Bonomolo. "Space Syntax Analysis Applied to Urban Street Lighting: Relations between Spatial Properties and Lighting Levels." Applied Sciences 9, no. 16 (2019): 3331. http://dx.doi.org/10.3390/app9163331.

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According to the international technical standards, higher lighting levels (luminance and illuminance levels) are expected in trafficked and central roads (where restrictive minimum lighting requirements are necessary) and lower lighting levels are expected in peripheral and less trafficked roads. Starting from this assumption, in this paper, the authors analyse the correlations between spatial properties (expressed by spatial indicators, for example, the integration index and the choice index) and lighting levels (expressed by lighting parameters, for example luminance and illuminance) upon r

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Lin, Wen-Bin, and Kao-Feng Yarn. "Fulfilment of Lighting Blinds Control System." International Journal of Research and Review 8, no. 4 (2021): 126–30. http://dx.doi.org/10.52403/ijrr.20210418.

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This paper uses the characteristics of the 89C51 single chip to simulate the automatic control of the opening and closing of the blinds model by the automatic control of the ambient light intensity. Finally, the operating principle of the adopted electric circuits and the performance of the proposed device are validated by experimental results. It reveals that the operations of the proposed device coincide with the requirements. The goal of this paper is that the blinds can automatically sense the outdoor brightness and adjust their opening and closing to achieve the effect of automatically ad

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Qin, Xiaochun, Xuefeng Zhang, Shuai Qi, and Hao Han. "Design of Solar Optical Fiber Lighting System for Enhanced Lighting in Highway Tunnel Threshold Zone: A Case Study of Huashuyan Tunnel in China." International Journal of Photoenergy 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/471364.

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In this paper, the principle, structural composition, materials, and characteristics of solar optical fiber lighting system were discussed. The different luminance requirements of different zones of highway tunnel were identified on the basis of the analysis of tunnel lighting considering drivers’ visually self-accommodating physiological function for luminance change. Taken Huashuyan Tunnel of G109 Highway located in Hohhot of Inner Mongolia in China as the case study, the system design of solar optical fiber lighting for enhanced lighting in threshold zone of highway tunnel was made. It was

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Hoff, Ryan T., Andrew Mazulis, Meghana Doniparthi, et al. "Use of ambient lighting during colonoscopy and its effect on adenoma detection rate and eye fatigue: results of a pilot study." Endoscopy International Open 09, no. 06 (2021): E836—E842. http://dx.doi.org/10.1055/a-1386-3879.

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Abstract Background and study aims Adenoma detection rate (ADR) appears to decrease as the number of consecutive hours performing procedures increases, and eye strain may be a contributing factor. Ambient light may improve symptoms of eye strain, but its effects have yet to be explored in the field of gastroenterology. We aim to determine if using ambient lighting during screening colonoscopy will maintain ADRs and improve eye strain symptoms compared with low lighting. Methods At a single center, retrospective data were collected on colonoscopies performed under low lighting and compared to p

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Ju, Jia Qi, Long He, Ze Bin Li, Zhong Hang Wu, Zhi Jiang He, and Rong Qing Liang. "Biological Effects of Color Lighting for Different Ages." Applied Mechanics and Materials 236-237 (November 2012): 787–91. http://dx.doi.org/10.4028/www.scientific.net/amm.236-237.787.

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The effects of lighting have extended to non-visual biological field since the intrinsic photosensitive retinal ganglion cell (ipRGC) was discovered at the beginning of 21st century. More relationships between lighting and health issues have been found since then. In this study, heart rate changes of both the young adults (about 25 years old) and the old adults (about 65 years old) who were exposed to dim lighting with different color (440nm, 460nm, 490nm and 510nm) were recorded. Significant statistical differences were found in the group of young adults, but no difference was found in the gr

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Drachuk, Inna, Elena Ryabinina, Vladimir Melnik, Svеtlana Rudaуа, and E. M. Chaplygin. "THE INFLUENCE OF THE SMOOTH CHANGE OF THE LIGHT SPECTRUM IN POULTRY HOUSES DURING THE PERIOD OF RAISING BROILER CHICKENS ON THEIR GROWTH PERFORMANCE." Scientific and Technical Bulletin of the Institute of Animal Science NAAS of Ukraine, no. 124 (2020): 71–79. http://dx.doi.org/10.32900/2312-8402-2020-124-71-79.

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The positive influence of monochromatic and combined monochromatic light of a certain spectrum on the performance of broiler chickens is known. However, in different age periods of cultivation, the optimal spectrum is different. At the same time, in the well-known studies, during the entire growing period, the light of the same color range was used or it changed discretely – by a sharp transition from one to another, which, in our opinion, does not allow to fully use the advantages of monochromatic and combined monochromatic lighting. Given the above, our research aimed to study the effect of

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Page, Tom. "Habits and Behaviours in the Use of Domestic Lighting." International Journal of Sustainable Economies Management 8, no. 2 (2019): 68–85. http://dx.doi.org/10.4018/ijsem.2019040105.

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The issue of electricity consumption reduction in the domestic sector is becoming a pivot matter, with domestic energy use ever-increasing and the rising awareness of its significant impact on the environment. As lighting is responsible for 19% of the average house's electricity consumption it was deemed a suitable area of study to gather behaviours and habits that can be targeted to encourage sustainable behaviour and ultimately reduce electricity consumption. The aim of this research is to investigate consumer habits and behaviours in home lighting in UK households and identify behaviours an

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Leśko, Marcin, Antoni Różowicz, Henryk Wachta, and Sebastian Różowicz. "Adaptive Luminaire with Variable Luminous Intensity Distribution." Energies 13, no. 3 (2020): 721. http://dx.doi.org/10.3390/en13030721.

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The field of indoor lighting covers a wide range of lighting uses with varying requirements for lighting conditions to be satisfied by properly selected lighting equipment. The need to frequently change the arrangement of useable areas entails the necessity to adapt the lighting to new requirements. A good solution for reducing costs and saving time is a luminaire adjusting the luminous flux and spatial luminous intensity distribution in a wide range. The authors present the concept of an adaptive luminaire and its construction assumptions. In addition, the results of studies on the developmen

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Cho, Seung Jin, Chang Hee Lee, and Ki Jung Kum. "Legibility Change of Commercial Vehicles Equipped with the Rear Lighting System." Journal of the Korean Society of Road Engineers 15, no. 5 (2013): 111–22. http://dx.doi.org/10.7855/ijhe.2013.15.5.111.

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Sun, Li Xin. "Entertainment Commercial Space of Lighting Design." Advanced Materials Research 668 (March 2013): 442–46. http://dx.doi.org/10.4028/www.scientific.net/amr.668.442.

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The light entertainment commercial space is the most important one of the design content, along with the development of domestic entertainment industry, as well as new lighting technology and application of materials, stylist had the very big imagination space. But the domestic many cases in the design for excessive light new, strange, dazzle, but ignore the basic function of light and energy saving. How to put the lights of the entertainment space design both effect, and can make it function humanization and save energy work, has become a pressing subject. This paper, from the function of the

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Cılasun Kunduracı, Arzu, and Z. Tuğçe Kazanasmaz. "Fuzzy logic model for the categorization of manual lighting control behaviour patterns based on daylight illuminance and interior layout." Indoor and Built Environment 28, no. 5 (2017): 584–98. http://dx.doi.org/10.1177/1420326x17703772.

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In considering total building energy consumption, lighting plays an important role in shaping energy consumption and use. Although key strategies (such as energy efficient lighting products, lighting control systems and energy simulation software) are developed so far, such attempts may be unsuccessful unless users are not taken into consideration. Users’ behaviours and their manual lighting control actions depend on various factors, though within the scope of this study manual lighting control behaviour was analysed only in terms of interior layout and daylight illuminance. Three private offi

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