指定された照明環境を実現するLED照明システム

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In recent years there has been increasing interest in office environments, and it has been reported that improvement of the lighting environment in offices improves intellectual productivity. Some of these reports have indicated that work efficiency is improved by changing the lighting environment in accordance with human biorhythms. We constructed a system that provides individual illuminance and color temperature preferred by workers, and we carried an experiment to clarify the favorite illuminance and color temperature in the office. But general Japanese offices use fluorescent lamps, they have a limitation on variable range of color temperature, therefore, it is possible that workers can't select their preferred color temperature. In this research, we built a lighting system to realize the illuminance and color temperature requested by the user with LED lights become prevalent in recent years. The system implements required illuminance and color temperature by changing the color with LED lights which have 4 colors LED(red, blue, green and yellow) with possible dimming. We conducted experiments to verify the built system, and we confirmed that it converges target illuminance and target color temperature. And we confirmed that it is possible to make practicable in offices about color rendering property. So, the built the system can be used in office environment. Then using the constructed system, it is possible for us to examine even more about improvement of the lighting environment in offices.

指定された照明環境を実現するLED照明システム

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