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基于遗传算法的标准光源设计方法

Design method of standard light sources based on genetic algorithm

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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?#30431;?#27861;计算得到各LED光功?#23454;?#27604;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?#38405;?#21512;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?#23376;隒IE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?#39057;?#21040;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。

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 the spectrum of B, C and D65 is simulated. 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.

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中图分类号:O432;TP391.7

DOI:10.3969/j.issn.1007-5461. 2019.02.003

所属栏目:光谱

基金项目: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)

收稿日期:2018-03-26

修改稿日期:2018-05-07

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李正军: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中国科学技术大学安徽 合肥 230026
袁银麟: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
李健军: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
张梦雅: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中国科学技术大学安徽 合肥 230026
郑小兵: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
吴浩宇: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

联系人作者:李正军([email protected])

备注: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: [email protected]

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引用该论文

Li Zhengjun,Yuan Yinlin,Li Jianjun,Zhang Mengya,Zheng Xiaobing,Wu Haoyu. Design method of standard light sources based on genetic algorithm[J]. Chinese Journal of Quantum Electronics, 2019, 36(2): 143-150

李正军,袁银麟,李健军,张梦雅,郑小兵,吴浩宇. 基于遗传算法的标准光源设计方法[J]. 量子电子学报, 2019, 36(2): 143-150

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