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Study of Reflector Design for Optimized Road Light

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초록

In this study, we explored the design of improved road lighting for drivers and pedestrians using ray-tracing and reverse ray-tracing methods. Conventional road lighting often poses issues such as glare and unevenly illuminated areas, which can compromise safety and efficiency. These problems stem from traditional design approaches focused solely on achieving high luminance and electrical power. However, our research shows that higher brightness or power consumption does not necessarily equate to better road lighting. By applying ray-tracing techniques, we aimed to design a reflector that enhances visibility while being easier on the eyes of both drivers and pedestrians. Our optimized reflector design demonstrated significant improvements in both central and average illuminance levels, all while reducing energy consumption. This study suggests that careful reflector design is crucial for creating safer and more energy-efficient road lighting solutions.

Abstract

In this study, we explored the design of improved road lighting for drivers and pedestrians using ray-tracing and reverse ray-tracing methods. Conventional road lighting often poses issues such as glare and unevenly illuminated areas, which can compromise safety and efficiency. These problems stem from traditional design approaches focused solely on achieving high luminance and electrical power. However, our research shows that higher brightness or power consumption does not necessarily equate to better road lighting. By applying ray-tracing techniques, we aimed to design a reflector that enhances visibility while being easier on the eyes of both drivers and pedestrians. Our optimized reflector design demonstrated significant improvements in both central and average illuminance levels, all while reducing energy consumption. This study suggests that careful reflector design is crucial for creating safer and more energy-efficient road lighting solutions.

참고문헌 (7)

  1. M. Gebauer, "Ray tracing tool for development LCD-backlights", SID Digest 2000, 58~561 (2000)
  2. M. Born, "Principles of optics", pp.188~189 (1983), Pergamon Press
  3. S. M. Lee, "New concept for improvement of white color balance in hologram backlight units", SID Digest 2003, pp.1361~1363 (2003)
  4. Ministry of Construction & Transportation, "Standard of Road Design", ~ (2001)
  5. I. Hiyama, "122%-NTSC color gamut 15-in. TFT-LCD using 4-primary color LED backlighting and Field Sequential driving", Proceeding of IDW02, pp.215~ (2002)
  6. X. X. Zhang, "Blue upconversion with excitation into Tm ions at 780nm in Yb-and Tm-codoped fluoride crystals", Phys. Rev. B, 51(14), pp.9298~9301 (1995)
  7. Kyung-Pyo Kim, "Development of Preliminary Design Algorithm for Optical Structures Using Knowledge-based Design", J. Korean Soc. Mech. Technol, 20(3), pp.312~320 (2018)

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