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提出了一套采用组态王(KINGVIEW)软件作为上位机远程监测功率的变化、利用可编程逻辑控制器(PLC,programmable light controller)作为下位机实现对激光器功率控制的整体设计方案。实验结果表明,本文提出的系统可以实时监测和记录激光器功率的变化,提高了激光器功率的监控水平;运用远程调节激光器功率方法,不仅提高了实验效率,而且在控制精度方面,通过修改PLC程序参数自动调节激光器功率,增强了调节的适应性。系统运行良好,可以更好满足激光干涉仪诊断等离子体电子密度的需要。
A set of KINGVIEW software was proposed as the remote monitoring power variation of the host computer, and the overall design of the laser power control was realized by using a programmable light controller (PLC) as a lower computer. The experimental results show that the system proposed in this paper can monitor and record the laser power changes in real time and improve the monitoring level of the laser power. Using the laser power method of remote adjustment not only improves the experimental efficiency, but also improves the control precision by modifying the PLC program parameters Automatically adjust the laser power, enhance the adaptability of adjustment. The system works well and can better meet the needs of the laser interferometer to diagnose plasma electron density.