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Advanced Dimming Control Algorithm for Sustainable Buildings by Daylight Responsive Dimming System

Author

Listed:
  • In-Tae Kim

    (Lighting Platform Research Center, Korea Photonics Technology Institute (KOPTI), Gwangju 61007, Korea)

  • Yu-Sin Kim

    (Lighting Platform Research Center, Korea Photonics Technology Institute (KOPTI), Gwangju 61007, Korea)

  • Hyeonggon Nam

    (School of Architecture, Chosun University, Gwangju 61452, Korea)

  • Taeyon Hwang

    (School of Architecture, Chosun University, Gwangju 61452, Korea)

Abstract

This study aims to evaluate the accuracy and energy savings of a daylight responsive dimming system (DRDS) when considering the influence of indirect illuminance. In the case of the existing DRDS, during the calibration process of each luminaire, the other luminaires were turned off to detect the illuminance of both the luminaire and the incoming daylight. However, the work plane illuminance under the luminaires was affected by the indirect illuminance from the other luminaires. The final work plane illuminance would thus be higher than the target illuminance during real system operation. To improve the accuracy and energy savings of the DRDS, an improved dimming control algorithm was applied to the DRDS when considering the influence of indirect illuminance. The real-time power consumption and accuracy of the target illuminance of the DRDS when considering the influence of indirect illuminance in a full-scale mock-up was measured and analyzed (for 23 days, from 22 June to 18 July 2018). As a result, the average accuracy of the target illuminance was 98.9% (SD 0.5%), and the average saving in lighting energy was 77%.

Suggested Citation

  • In-Tae Kim & Yu-Sin Kim & Hyeonggon Nam & Taeyon Hwang, 2018. "Advanced Dimming Control Algorithm for Sustainable Buildings by Daylight Responsive Dimming System," Sustainability, MDPI, vol. 10(11), pages 1-15, November.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:11:p:4087-:d:181231
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    References listed on IDEAS

    as
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    6. María Beatriz Piderit Moreno & Constanza Yañez Labarca, 2015. "Methodology for Assessing Daylighting Design Strategies in Classroom with a Climate-Based Method," Sustainability, MDPI, vol. 7(1), pages 1-18, January.
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