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Volume 45 Issue 9
Sep.  2023
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ZHUANG Yabao, LIU Jie, XUE Hao, ZHU Xiangbing. Vehicle Infrared Illumination System for Assistant Driving[J]. Infrared Technology , 2023, 45(9): 990-995.
Citation: ZHUANG Yabao, LIU Jie, XUE Hao, ZHU Xiangbing. Vehicle Infrared Illumination System for Assistant Driving[J]. Infrared Technology , 2023, 45(9): 990-995.
shu

Vehicle Infrared Illumination System for Assistant Driving

  • School of physics and electronic information, Anhui Normal University, Wuhu 241002, China

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  • Received Date: June 18, 2022
  • Revised Date: July 19, 2022
    Graphical Abstract
    • Abstract
  • An onboard infrared supplementary illumination system is designed through software simulations to solve the problem of low recognition accuracy caused by insufficient ambient illumination and rapid changes in ambient light intensity in an advanced driving assistance image recognition system. IR light-emitting diodes (LEDs) are used as light sources. After collimating the light emitted by the light source with a paraboloid mirror, a compound eye lens is used to realize a rectangular spot with uniformity greater than 90% 25 m away from the light source with radiation energy-use efficiency reaching 98%. The target surface is illuminated using 30 light-source module arrays, and the average irradiance of the target surface is greater than 0.8 W/m2. The results show that the assembly tolerance of a single-compound eye lens is looser, and the design method is flexible and suitable for use in other lighting systems.
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