ENHANCING COMFORT, ALERTNESS AND PRODUCTIVITY IN INDOOR WORKING ENVIRONMENTS USING DYNAMIC MULTI-CHANNEL LED LIGHTING SYSTEMS THAT MIMIC DAYLIGHT (OP06, 29-33)
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- Conference Proceeding by Commission Internationale de L'Ecl
- Category: CIE
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In this work, a dynamic multi-channel LED lighting system is used to mimic natural light very precisely. First, we propose a closed-loop feedback control using a colour sensor to compensate for spectral shifts due to temperature changes or wear out of the LEDs. Second, we test the lighting system in a 24/7 working room over 1 year with a CCT-changing sequence designed for critical-task performing. Our results show that a precise control over the emitted spectrum can be achieved providing an unprecedented colour quality and enhancing people's level of satisfaction, comfort and alertness in indoor working environments.
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