基于LMI的水轮机调节系统扰动观测状态反馈控制策略研究  

Research on Feedback Control Strategy for Disturbance Observation State of Hydraulic Turbine Regulation System Based on LMI

作　　者：郭雅卿 钱晶 刘鸿举 吴涛[1] 段亚健 邹屹东 GUO Ya-qing;QIAN Jing;LIU Hong-ju;WU Tao;DUAN Ya-jian;ZOU Yi-dong(China Yangtze River Power Company Limited,Yichang 443000,China;Faculty of Metallurgy and Energy Engineering,Kunming University of Science and Technology,Kunming 650000,China;China Gezhouba Group No.1 Engineering Company Limited,Yichang 443000,China;School of Power and Machinery,Wuhan University,Wuhan 430072,China)

机构地区：[1]中国长江电力股份有限公司,湖北宜昌443000 [2]昆明理工大学冶金与能源工程学院,云南昆明650000 [3]中国葛洲坝集团第一工程有限公司,湖北宜昌443000 [4]武汉大学动力与机械学院,湖北武汉430072

出　　处：《水电能源科学》2024年第7期169-173,共5页Water Resources and Power

基　　金：国家自然科学基金项目(52269020)。

摘　　要：为进一步提高水轮机的调节性能和控制精度,针对水轮机调节系统提出了一种基于线性矩阵不等式(LMI)的扰动观测状态反馈控制策略。首先,对水轮机调节系统进行了建模,并设计了一种基于LMI的扰动观测状态反馈控制策略,该策略综合考虑了水轮机的运行状态及扰动观测值;然后通过LMI完成了该控制器的设计与分析;最后,为了验证所提控制策略的有效性和鲁棒性,通过仿真试验进行了测试。结果表明,与传统的控制方法相比,该扰动观测状态反馈控制策略可有效提高水轮机调节系统的响应速度、准确性和稳定性,且降低了系统对扰动的敏感性。In order to further improve the regulating performance and control accuracy of hydraulic turbine,this paper presents a disturbance observer based state feedback control strategy for the hydro-turbine governor system,which is based on Linear Matrix Inequalities(LMIs).Firstly,a modelling of the hydro-turbine governor system is conducted,and a disturbance observer-based state feedback control strategy based on LMIs is designed.This strategy comprehensively considers the operating state of the hydro-turbine and disturbance observation values.Subsequently,the design and analysis of this controller are accomplished using LMIs.To validate the effectiveness and robustness of the proposed control strategy,simulation experiments are conducted.In comparison to traditional control methods,the results demonstrate that the disturbance observer-based state feedback control strategy can effectively enhance the hydro-turbine governor system's response speed,accuracy,and stability while reducing its sensitivity to disturbances.

关 键 词：水轮机调节系统 线性矩阵不等式 扰动观测器 状态反馈 

分 类 号：TV734.1[水利工程—水利水电工程] TK730.2[交通运输工程—轮机工程]