摘要
脉冲激光电源由数字控制器和能量负反馈系统组成。能量负反馈系统可以将检测到的激光能量经过处理转化反馈给数字控制器,实时调节激光器供电电流。数字控制器具有发生PWM信号功能,其中AD转换器可以将模拟输出电流转化成数字信号,具有可变控制载波频率和采样频率。这种带能量反馈的数字电源激光器的激光输出整体稳定性达到98%以上。
Pulse laser power is composed of digital controller and negative energy feedback system.The negative energy feedback system can process and feedback the size of laser energy that it has detected to digital controller,and adjust the laser power supply current at real time.The digital controller has the function of PWM signal, among which the AD converter can transform analog output current into digital value. By the digital signal output current value,With variable control of carrier frequency and sampling frequency.The overall stability of the laser output power of laser digital with energy feedback can reach above 98%.
出处
《电焊机》
2015年第2期75-77,共3页
Electric Welding Machine
