多角度多阵列LED光源控制电路系统设计  

Design of Multi-angle LED Array Light Source Control Circuit System

作　　者：樊伟 吴定祥 唐立军[1,3] Fan Wei;Wu Dingxiang;Tang Lijun(School of Physics and Electronic Sciences,Changsha University of Science&Technology,Changsha 410114,China;Changsha Billion set Intelligent Technology Co.,Ltd.;Hunan Province Higher Education Key Laboratory of Modeling and Monitoring on the Near-Earth Electromagnetic Environments)

机构地区：[1]长沙理工大学物理与电子科学学院,长沙410114 [2]长沙亿旭智能科技有限公司 [3]近地空间电磁环境监测与建模湖南省普通高校重点实验室

出　　处：《单片机与嵌入式系统应用》2020年第8期69-72,76,共5页Microcontrollers & Embedded Systems

基　　金：国家科技支撑计划课题(2014BAH28F04);湖南省教育厅科学研究项目(15K009、17K004)。

摘　　要：针对多角度、亮度强弱自由分布的光路结构的光源调节需要,设计了一种多路LED阵列光源控制系统,该系统基于STM32F103RCT6微处理器,围绕L5973AD设计电压/电流恒定输出模块用于驱动控制多组阵列光源,通过上位机控制多路阵列光源的光照强弱,实现获取视觉图像的特殊光源环境。测试结果表明,该系统输出的电压、电流有良好的线性关系,分辨率分别为0.01 V和0.01 A。For brightness intensity for different angles and free distribution of the optical path of the structure of the light adjustment needs,a multi-channel LED array light source control system is designed.The system uses STM32F103RCT6 as the microprocessors,around the L5973AD constant voltage/current output module to design,which is used to drive control multiple sets of array light source.Through the upper machine control multichannel array light source intensity of illumination,the visual image of the special light source environment is achieved.The test results show that the output voltage and current of the system have a good linear relationship,and the resolution is 0.01 V and 0.01 A respectively.

关 键 词：多角度阵列光源 光源控制电路 光源亮度控制 STM32F103RCT6 L5973AD 

分 类 号：TP29[自动化与计算机技术—检测技术与自动化装置]