The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Research of small pipeline leak detection applied SPRT algorithm
Author(s): 
Pages: 448-451,457
Year: Issue:  3
Journal: Electric Machines and Control

Keyword:  管道检测小泄漏检测序贯概率比检验法卡尔曼滤波器LabVIEW;
Abstract: 针对小泄漏信号的检测,提出了序贯概率比检验的统计决策方法.根据长输管道泄漏检测的实时性要求,提出了用卡尔曼滤波作用生成的归一化新信息序列作为序贯概率比检验的输入序列,以满足序贯概率比检验的要求.分析了序贯概率比检验用于管道小泄漏检测时的泄漏判断和定位的方法.利用虚拟仪器理论,设计了卡尔曼滤波和序贯概率比检验算法的LabVIEW程序模块,设计的模块可以直接嵌入到现有的管道泄漏实时监测系统中.实验证明,针对泄漏量低于3%的小泄漏检测很有效,并且定位精度控制在了2.5%以内.
Related Articles
No related articles found