媒体立面照明控制指标的定量化研究

项目名称： 媒体立面照明控制指标的定量化研究

项目编号： No.51508301

项目类型： 青年科学基金项目

立项/批准年度： 2016

项目学科： 建筑科学

项目作者： 刘晓希

作者单位： 中国传媒大学

项目金额： 20万元

中文摘要： 媒体立面照明(Media Facade Lighting)是由人工光构成视觉信号、传递信息，从而实现建筑表皮媒体化的照明设计手法。随着技术的不断发展，媒体立面照明也正在城市夜间景观中迅速兴起，然而其动态效果的强烈变化所带来的视觉刺激却有可能影响人的心理与生理健康，甚至给城市夜间安全带来隐患。.本项目主要针对视觉认知需求，探讨城市夜间景观中媒体立面照明控制的有效方法：①通过调研采样实际案例参数数据、进行现场主观评价问卷调查和设计主观评价实验三个关键技术环节，总结媒体立面照明的现状和特点，分析整体光环境与人情感效应的关系，研究媒体立面照明的亮度变化和刺激频率对视觉认知的影响。②然后通过对调研数据和主观评价实验数据的定量化分析，给出媒体立面照明控制的瞬时亮度变化阈值、刺激频率阈值、亮度阈值（建筑表皮的平均亮度与发光像素点的峰值亮度）等，从而填补对媒体立面照明设计的具体控制指标定量化研究的空白。

中文关键词： 媒体立面；动态照明；亮度；主观评价；视觉认知

英文摘要： Media Facade Lighting (MFL) is an usual appealed lighting-design approach for transforming the facade of architectures into media by visual signals from artificial lighting, and consequent information conveying. However, due to some extremely strong contrast and dynamic flashing effect Media Facade Lighting (MFL) also brings the negative influence on human psychological and physical health, and even potential accidents cause to the city in night..Based upon above analysis, such application aims at determining the assessment and managing rules for designing and utilizing Media Facade Lighting (MFL), following the next three key steps, as sampling Media Facade Lighting (MFL) influential factor database through the cases study, establishing Laboratory Model of Media Facade Lighting (MFL), conducting Subjective Assessment Experiment, with which the current utilization condition of Media Facade Lighting (MFL)，the relevancy of total Luminous Environment with the human emotion effect, as well as the influence of Brightness adjustment and stimulus frequency onto Visual Cognition will be studied and concluded..Moreover，through quantitative analysis of field survey-collected database and Subjective Assessment Experiment database, the Guideposts of Media Facade Lighting (MFL), such as the threshold of instantaneous brightness changes, threshold of stimulus frequency, the threshold of brightness, will be quantitatively confirmed.

英文关键词： Meida facades;Dynamic lighting;Luminance;Subjective evaluation;Visual perception