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A Method of Generating Real-Time Natural Light Color Temperature Cycle for Circadian Lighting Service [PDF]

open access: yesSensors, 2023
The light intensity and color temperature of natural light periodically change and promote the circadian entrainment of the human body. In addition, the color temperature cycle of natural light that is unique to each region is formed by its location and ...
Seung-Taek Oh   +2 more
doaj   +2 more sources

TadGAN-Based Daily Color Temperature Cycle Generation Corresponding to Irregular Changes of Natural Light [PDF]

open access: yesSensors, 2022
This study to develop lighting is advanced for reproducing natural light color temperature beneficial to humans. Methods were introduced to provide daily color temperature cycles through formulas based on the measured natural light characteristics or ...
Seung-Taek Oh   +2 more
doaj   +2 more sources

A Control Method for Optimizing the Spectral Ratio Characteristics of LED Lighting to Provide Color Rendering Performance Comparable to Natural Light [PDF]

open access: yesSensors
Light-emitting diode or LED lighting often faces challenges with color rendering due to its unique spectral characteristics compared to natural light.
Seung-Teak Oh   +2 more
doaj   +2 more sources

A CMOS-Compatible Silicon Nanowire Array Natural Light Photodetector with On-Chip Temperature Compensation Using a PSO-BP Neural Network [PDF]

open access: yesMicromachines
Silicon nanowire (SiNW) photodetectors exhibit high sensitivity for natural light detection but suffer from significant performance degradation due to thermal interference.
Mingbin Liu   +10 more
doaj   +2 more sources

How natural light influences HSR drivers’ visual behavior [PDF]

open access: yesFrontiers in Public Health
Existing studies have shown that the lighting environment is essential in influencing a driver’s visual behavior. Due to the pivotal role of high-speed railway (HSR) in worldwide transit, it is necessary to examine how HSR drivers’ visual behavior adjust
Pengfei Li   +10 more
doaj   +2 more sources

CMOS-Compatible High-Performance Silicon Nanowire Array Natural Light Electronic Detection System [PDF]

open access: yesMicromachines
In this article, we propose a novel natural light detector based on high-performance silicon nanowire (SiNW) arrays. We achieved a highly controllable and low-cost fabrication of SiNW natural light detectors by using only a conventional micromachined ...
Xin Chen   +6 more
doaj   +2 more sources

Sanitary and hygienic condition of the microclimate parameters of the premises of light-frame and reconstructed cowsheds in the spring with loose housing of the dairy herd [PDF]

open access: yesТехнологія виробництва і переробки продуктів тваринництва, 2021
A comparative evaluation of the main parameters of the air microclimate for the maintenance of a dairy herd of cows in the reconstructed and light frame cowsheds in the spring was carried out.
Gryshko V., Balatskyi Y.
doaj   +1 more source

CRI-Based Smart Lighting System That Provides Characteristics of Natural Light

open access: yesInformation, 2023
Natural light continuously changes its correlated color temperature (CCT) from sunrise to sunset, providing the best color reproducibility and healthy light.
Seung-Taek Oh, Jae-Hyun Lim
doaj   +1 more source

From the Point of View of the Chickens: What Difference Does a Window Make?

open access: yesAnimals, 2021
We aimed to investigate what broiler chickens prefer when given free choice between a barn side with artificial lighting only as opposed to the other barn side with natural light through glass windows and artificial light. Eighty-five 1 day-old male Cobb
Elaine Cristina de Oliveira Sans   +5 more
doaj   +1 more source

Visual access to an outdoor range early in life, but not environmental complexity, increases meat chicken ranging behavior

open access: yesPoultry Science, 2023
: Not all chickens access an outdoor range when the opportunity is provided. This may be related to the abrupt change in environments from the stable rearing conditions to the complexity of the outdoor range.
P.S. Taylor   +6 more
doaj   +1 more source

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