基于遗传算法的标准光源设计方法研究

量子电子学报

基于遗传算法的标准光源设计方法研究

李正军1,2，袁银麟1*，李健军1，张梦雅1,2，郑小兵1，吴浩宇1

1.中国科学院安徽光学精密机械研究所，中国科学院通用光学定标与表征技术重点实验室，安徽合肥 230031； 2.中国科学技术大学，安徽合肥 230026

出版日期:2019-03-28 发布日期:2019-03-20
通讯作者: 袁银麟E-mail:ylyuan@aiofm.ac.cn
作者简介:李正军（1994-），安徽巢湖人，研究生，主要从事光电检测技术方面的研究。E-mail: zjli1994@mail.ustc.edu.cn
基金资助:
Supported by National Natural Science Foundation of China (国家自然科学基金,41605021), Natural Science Foundation of Anhui Province(安徽省自然科学基金, 1708085QF131) , Anhui Institute of Optics and Fine Mechanics Foundation of CAS(中国科学院安徽光学精密机械研究所所长基金,AGHH201503)

Research on the design method of standard light sources based on genetic algorithm

Li Zhengjun1, 2, Yuan Yinlin1*, Li Jianjun1, Zhang mengya1, 2, Zheng Xiaobing1, Wu Haoyu1

1.Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China; 2. University of Science and Technology of China, Hefei, Anhui 230026, China

Published:2019-03-28 Online:2019-03-20

摘要/Abstract

摘要： 标准色温箱光源在彩色印刷、摄影、印染和智能化仪器等领域具有重要应用。采用氪气灯作为标准色温箱A光源，通过选用29种COB集成封装大功率LED晶片为基础发光单元对标准色温箱B、C、D65光源光谱进行模拟。对各LED光谱模型采取实测线性归一化光谱功率分布数据，提出基于遗传算法的光谱匹配算法，通过该算法计算得到各LED光功率的比例系数。以冷白色LED光功率为基准，由各LED的光功率与驱动电流线性拟合方程得到各LED驱动电流控制参数。通过该方法得到的B、C、D65光源光谱与CIE标准光源光谱的相对光谱差异分别为9.1%、7.98%、8.05%，各拟合光源显色指数分别为95.5234、96.6841、99.2833。通过氪气灯得到的A光源显色指数为99.3330。该设计方法可很好满足指标要求。

关键词: 光谱学, 光谱匹配, 遗传算法, 标准光源, LED

Abstract: The color assessment cabinet has an important application in the fields of color printing, photography, dyeing and intelligent instruments. Krypton gas lamp is used as the A light source. By choosing 29 kinds of COB integrated packaging and high-power LED chips as the basic luminous unit to simulate the spectrum of B, C and D65. Based on the measured linear normalized spectral power distribution data of each LED spectral model, a spectral matching algorithm based on genetic algorithm is proposed, and the proportion coefficient of each LED optical power is calculated through this algorithm. Based on the cold white LED optical power, the LED drive current control parameters are obtained from the linear fitting equation of the optical power and the driving current of each LED. The relative spectral difference of B, C and D65 spectra obtained from this method is 9.1%, 7.98% and 8.05%, respectively. The color rendering index of each fitting light source is 95.5234, 96.6841 and 99.2833, respectively. The color rendering index of the A light source obtained by krypton gas lamp is 99.3330. This design method can meet the requirements of the index very well.

Key words: spectroscopy, spectral matching, genetic algorithm, standard light sources, LED

李正军1,2，袁银麟1*，李健军1，张梦雅1,2，郑小兵1，吴浩宇1. 基于遗传算法的标准光源设计方法研究[J]. 量子电子学报.

Li Zhengjun1, 2, Yuan Yinlin1*, Li Jianjun1, Zhang mengya1, 2, Zheng Xiaobing1, Wu Haoyu1. Research on the design method of standard light sources based on genetic algorithm[J]. Chinese Journal of Quantum Electronics.

参考文献

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