摘要
提出了一种基于DSP技术和PID算法的自动控制方法,来控制半导体激光二极管的驱动电流以实现对其输出功率。与传统的通过模拟调制的方法来实现激光二极管输出功率控制的方法相比,DSP技术与PID算法的应用能有效提高半导体激光二极管输出功率的控制精度和稳定性。介绍了系统的硬件结构和软件流程,并对其主要功能模块的原理进行了分析。
It presents a way which based on the technology of DSP and PID control algorithm to control the drive current for automated power control.Compared with the analog modulation system,the application of the technology of DSP and PID control algorithm can improve the precision and stability of the power control system effectively.It introduces the hardware construction and software flow of the system and analyzes the principle of the main function module.
出处
《机电工程技术》
2010年第12期59-60,79,共3页
Mechanical & Electrical Engineering Technology