A proposed lighting-design space: circadian effect versus visual illuminance

A proposed lighting-design space: circadian effect versus visual illuminance
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拟议的照明设计空间:昼夜节律效应与视觉照度

DOI:
10.1016/j.buildenv.2017.06.025
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发表时间:
2017-09
影响因子:
7.4
通讯作者:
Minchen Wei
Minchen Wei
中科院分区:
工程技术1区
文献类型:
--
作者:
Qi Dai;Wenjing Cai;Wen Shi;Luoxi Hao;Minchen Wei

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光不仅能引起视觉,还能引起非视觉效应,如调节昼夜节律系统。虽然充分理解非视觉反应机制的努力仍在进行中,但已经提出了基于入射在人眼上的光的特性来评估光的昼夜刺激的定量模型。随着发光二极管(LED)技术在光谱设计中提供灵活性,现在可以调整照明的昼夜节律和视觉效果,以适应不同建筑环境的使用。因此,重要的是要开发一个照明设计方法,考虑视觉和非视觉方面,并了解什么样的组合是可以实现的一般照明applications.In这项工作中,我们提出了一个照明设计空间,允许昼夜效应和亮度(视觉照明外观)的组合的探索。为了证明这种方法的可行性,我们开发了一种四通道颜色可调LED光源的颜色混合方法,并最大限度地提高了所提出的空间的色域。该色域表示室内照明设计师可以瞄准的可能设计目标。作为应用的一个例子,我们证明了我们的颜色可调LED解决方案可以用来动态模拟昼夜节律和日光的视觉特性。
Light causes not only vision, but also non-visual effects such as regulating the circadian system. Although the effort to fully understand the mechanism of non-visual response is still ongoing, quantitative models have been proposed to evaluate light's circadian stimulus based on the characteristics of light incident on human eyes. With the light-emitting diode (LED) technology providing flexibility in spectral design, it is now possible to tune lighting's circadian and visual effects to suit the uses of different built environments. Therefore, it is important to develop a lighting-design approach that considers both visual and non-visual aspects, and understand what combinations are achievable for general illumination applications.In this work, we propose a lighting-design space that allows the exploration of combinations of circadian effect and brightness (visual lit appearance). To demonstrate the feasibility of this approach, we develop a color-mixing method for four-channel color-tunable LED light sources, and maximize the gamut of the proposed space. This gamut represents the possible design objectives that interior lighting designers can target. As an example of application, we demonstrate that our color-tunable LED solution can be used to dynamically simulate both circadian and visual properties of daylight.
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