农村饮用水供水测控与故障预警系统的设计与实现

发布时间：2018-03-03 01:09

本文选题：支持向量机　切入点：故障预警　出处：《河北科技大学》2017年硕士论文　论文类型：学位论文

【摘要】：随着农村居民生活水平的不断提高,人们对生产、生活供水的要求也越来越高。目前,农村水站供水范围广,但自动化程度低,管理人员少,系统可靠性差,急需提高农村供水水站的自动化水平,提升水站供水系统的可靠性和稳定性。通过对农村供水实际情况和需求的调研分析,本文采用远程测控、故障预警、通信等技术设计、实现了农村饮用水供水测控与故障预警系统。利用该系统,工作人员可以在数据中心对现场设备进行控制并获取实时监测数据,通过图表直观了解现场数据变化情况,通过水池水位低预警和爆管故障预警对故障做出快速反应。本系统由测试点、SCADA系统、通信网络三大部分组成。测试点由RTU和传感器组成,实现了数据实时采集和设备控制;SCADA系统采用模块化设计,实现了数据的接收、解析、显示和预警,并采用MsChart和微软报表,实现了数据的可视化显示和制式打印;通信网络采用串口和GPRS,满足了通讯方式多样化需求。水池水位低预警采用指标预警方法,按照无、轻、重三级进行预警并以图形形式直观显示。爆管预警采用质量守恒定律和预警模型相结合的方式进行判断。质量守恒定律判断预警的依据为总流量近似等于各支路流量之和。预警模型采用支持向量机算法,先将特征向量找出,形成训练集和测试集,再利用训练集对支持向量机网络进行训练,最后利用测试集对训练后的网络进行验证。经现场测试,该系统采集数据及时全面,控制方便准确,保证了供水管网的稳定运行,大大降低了管理人员的工作量,提高了水站的自动化水平。
[Abstract]:With the continuous improvement of the living standard of rural residents, the demand for production and daily water supply is becoming higher and higher. At present, the scope of water supply in rural water stations is wide, but the degree of automation is low, the management staff is few, and the reliability of the system is poor. It is urgent to improve the automation level of water supply stations in rural areas and improve the reliability and stability of water supply systems in rural areas. Based on the investigation and analysis of the actual situation and demand of rural water supply, this paper adopts remote measurement and control, fault warning and communication technology design, etc. The system can control the field equipment in the data center and obtain the real-time monitoring data. Through the chart, the change of the field data can be intuitively understood. The system is composed of three parts: the test point and the communication network. The test point is composed of RTU and sensor. The real-time data acquisition and equipment control SCADA system is designed by modularization, and the data receiving, analyzing, displaying and warning are realized. MsChart and Microsoft report form are used to realize the visual display and print of the data. The communication network adopts serial port and GPRS, which meet the diversified demand of communication mode. The early warning of heavy three levels is displayed visually in graphic form. The early warning of tube burst is judged by combining the law of conservation of mass with the early warning model. The law of conservation of quality is based on the total flow of approximately equal to each branch of the road. The sum of traffic. The early warning model uses support vector machine (SVM) algorithm. First, the feature vector is found, then the training set and test set are formed, then the support vector machine network is trained by the training set. Finally, the trained network is verified by the test set. After the field test, the data collected by the system are timely and comprehensive. The control is convenient and accurate, ensures the stable operation of the water supply network, greatly reduces the workload of the management personnel, and improves the automation level of the water station.
【学位授予单位】：河北科技大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：S277.7;TP277

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