基于二阶线性自抗扰的离心泵流量控制研究

Research on Flow Control of Centrifugal Pump Based on Second Order Linear Active Disturbance Rejection

为了提高成品油输油站场中离心泵流量控制系统的稳定性、抗干扰能力和控制精度,建立了某成品油站场离心泵流量控制系统的数学模型。分析了二阶线性自抗扰控制器的设计原理,在此基础上设计了基于二阶线性自抗扰控制器的离心泵流量控制系统,并从频域角度分析了控制器的参数整定原则。通过Matlab/Simulink软件进行仿真实验,并与传统基于PI控制器的离心泵流量控制系统进行对比,仿真实验结果表明:基于二阶线性自抗扰控制器的离心泵流量控制系统具有更快的响应速度,抗干扰能力更强。

To improve the stability,anti-interference ability and control accuracy of centrifugal pump flow control system in producted oil transportation station,the mathematical model of centrifugal pump flow control system in a producted oil station is established.The design principle of second order linear active disturbance rejection controller is analyzed.The centrifugal pump flow control system based on second order linear active disturbance rejection controller is designed.The parameter tuning principle of the controller is analyzed from the perspective of frequency domain.The simulation experiment is carried out by Matlab/Simulink software,and compared with the traditional centrifugal pump flow control system based on PI controller.The simulation results show that the centrifugal pump flow control system based on second order linear active disturbance rejection controller has faster response and stronger anti-interference.