激光二极管恒流驱动电源的仿真设计-太赫兹科学与电子信息学报.pdfVIP

第 13 卷 第 4 期 太赫兹科学与电子信息学报 Vo1．13，No．4 2015 年 8 月 Journal of Terahertz Science and Electronic Information Technology Aug ．，2015 文章编号：2095-4980(2015)04-0665-05 激光二极管恒流驱动电源的仿真设计 任先文，甘孔银，谭志远，孙 会，刘 平 (中国工程物理研究院 应用电子学研究所，四川 绵阳 621999) 摘 要 ：在采用锂电池储能供电的降压斩波电路恒流激光二极管驱动源系统的设计中，建立 了电池组、激光二极管的集成电路个人仿真程序(PSPICE)器件模型和闭环控制系统模型，经过仿真 计算，确定了输出滤波电感电容的参数和实现闭环稳定的比列积分微分调节(PID)参数，并研究了 在负载变化和输入变化的条件下系统的稳定性。研究表明，采用该技术方案能实现恒流源输出电 流大于 100 A ，输出电压 230 V ，电流纹波小于 3% 。 关键词 ：激光二极管；恒流驱动电源；PSPICE 器件 中图分类号 ：TN34 文献标识码 ：A doi ：10.11805/TKYDA201504.0665 Design of an LD driving power supply by simulation REN Xianwen，GAN Kongyin，TAN Zhiyuan，SUN Hui，LIU Ping (Institute of Applied Electronics，China Academy of Engineering Physic，Mianyang Sichuan 621999，China ) Abstract ：In the design of a power supply powered by energy storage system with a battery pack to drive laser diodes with BUCK chopper circuit for constant current and step-down voltage，Personal Simulation Program with Integrated Circuit Emphasis(PSPICE) models，which of components such as the battery pack, laser diodes in series, and of system with a closed loop are constructed. Parameters of output inductances and capacitors for filtering circuit are determined by simulations as well as the optimized parameters of the Process Identifier(PID) to realize stability of the closed loop. The stability of the power supply is studied by simulation under different conditions. The results indicate that a constant current power supp