三容水箱液位控制系统的间歇故障检测实验教学设计  

Experimental teaching design of intermittent fault detection for three-tank liquid level control systems

作　　者：高明[1] 周东华[2] 张森 盛立[1] GAO Ming;ZHOU Donghua;ZHANG Sen;SHENG Li(College of Control Science and Engineering,China University of Petroleum(East China),Qingdao 266580,China;Department of Automation,Tsinghua University,Beijing 100084,China;School of Automation and Electrical Engineering,Linyi University,Linyi 276005,China)

机构地区：[1]中国石油大学(华东)控制科学与工程学院,山东青岛266580 [2]清华大学自动化系,北京100084 [3]临沂大学自动化与电气工程学院,山东临沂276005

出　　处：《实验技术与管理》2022年第9期186-190,共5页Experimental Technology and Management

基　　金：国家自然科学基金面上项目(62073339);中国学位与研究生教育研究项目(2020MSA48);山东省本科教学改革面上项目(M2020205)。

摘　　要：基于MATLAB软件和TTS20三容水箱系统,设计了闭环控制策略下的三容水箱泄漏故障检测实验。实验模拟三容水箱系统运行过程中可能出现的间歇泄漏故障,利用龙伯格观测器和滑动时间窗口,设计截断式残差以检测间歇故障的发生时刻与消失时刻。文章给出了具体实验步骤,实验结果验证了该实验教学设计的可行性与有效性。该实验有助于学生了解故障检测技术的前沿知识,提高科研工作热情。Based on MATLAB software and TTS20 three-tank system, the experiment of leakage fault detection is designed for three-tank systems under the closed-loop control strategy. By simulating the intermittent leakage fault that may occur during the operation of the three-tank system in experiments, and using the Luenberger observer and a sliding-time window, a truncated residual is proposed to detect the appearing and disappearing time of intermittent leakage faults. The experimental steps are provided in this paper, and experimental results verify the feasibility and effectiveness of the experimental teaching design. This experiment is helpful for students to deepen their understanding of frontier in fault detection techniques and improve their enthusiasm for scientific research.

关 键 词：水箱系统 闭环控制 间歇泄漏故障 龙伯格观测器 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]