多用途重水研究堆数字化功率调节系统仿真分析

Simulation Analysis of Digital Power Regulation System of Multipurpose Heavy Water Research Reactor

基于MATLAB/Simulink平台构建了功率调节系统闭环内所有环节的数学模型,采用离散控制理论对简化的系统模型进行理论计算,获得了保持系统稳定的控制器参数范围。采用完整的系统模型在Simulink平台环境下进行仿真分析,确定了合适的采样周期及其最佳的PID控制器参数。仿真结果表明,数字化功率调节系统能有效克服反应性的扰动,并具备良好的随动特性。

Based on MATLAB/Simulink platform,all the related models in reactor power regulation system were built,and the range of controller parameter to keep system steady was obtained by calculating the simplified system model with discrete control theory.The simulation analysis was conducted with integrated system model in Simulink platform to determine the best sample time and the corresponding optimized PID controller parameter.The simulation results show that the digital reactor power regulation system is able to keep reactor power stable and the dynamic characteristic of the system is excellent.