Overall Illuminance Uniformity of IRED Lighting in Nighttime CCTV

Overall Illuminance Uniformity of IRED Lighting in Nighttime CCTV

LEDs (light-emitting diodes) are superior to the conventional light bulbs and florescent lights in terms of low power dissipation, high efficient and longer lifetime. Therefore, conventional light bulbs are gradually being replaced by LED light bulbs as the next generation lighting source. LEDs are also playing more important roles in industrial applications, such as backlighting in LCD display...

Illuminance requirements for emergency lighting

Nighttime lighting in intensive care units.

high acuity of patients, and improved technology have transformed intensive care units (ICUs) into increasingly complex and fast-paced environments where specialized care is provided on a 24-hour basis. Although the necessity of around-the-clock care is easily understood, the environment that is created and the resulting potential sleep disruptions are not always optimal for patients’ healing a...

Intelligent Lighting Control Using Correlation Coefficient between Luminance and Illuminance

An intelligent lighting system which provides required illumiancne at an appropriate location is proposed. This system does not have the centralized control device and also it is controlled by each intelligent lighting’s autonomous operation. Also the intelligent lighting system can contribute to energy saving. In this research, a new algorithm is proposed. For rapid converges it uses the corre...

ارزیابی روشنایی مصنوعی داخلی و محوطه‌ای در محیط کاری بیمارستان‌های شهر همدان

  Background & Objectives: Comfort lighting is one of the most important topics, which provides optimum physical conditions in general environment and workplaces such as hospitals. This study aimed to evaluate general, local and area artificial illumination of Hamadan city hospitals .   Methods : In this descriptive-analytical study, general, local and area artificial illumina...