Title
Leak detection in gas pipeline networks using an efficient state estimator. Part-I: Theory and simulations
Abstract
Dynamic simulation models can be used along with flow and pressure measurements, for on-line leak detection and identification in gas pipeline networks. In this two part paper, a methodology is proposed for detecting and localizing leaks occurring in gas pipelines. The main features of the proposed methodology are: (i) it is applicable to both single pipelines and pipeline networks and (ii) it considers non-ideal gas mixtures. In order to achieve the desired computational efficiency for on-line deployment, an efficient state estimation technique based on a transfer function model, previously developed by the authors, is embedded in a hypothesis testing framework. In Part-I of this paper, a detailed description of the methodology is presented, and its performance is evaluated using simulations on two illustrative pipeline systems. The proposed method is shown to perform satisfactorily even with noisy measurements and during transient conditions, provided there is sufficient redundancy in the measurements.
Year
DOI
Venue
2011
10.1016/j.compchemeng.2010.10.006
Computers & Chemical Engineering
Keywords
Field
DocType
Gas pipeline networks,Leak detection,Dynamic simulation,State estimation,Transfer function,Generalized likelihood ratio method
Pipeline transport,Flow measurement,Signal-to-noise ratio,Control engineering,Transfer function,Redundancy (engineering),System identification,Mathematics,Statistical hypothesis testing,Dynamic simulation
Journal
Volume
Issue
ISSN
35
4
0098-1354
Citations 
PageRank 
References 
5
0.76
4
Authors
4
Name
Order
Citations
PageRank
H. Prashanth Reddy151.10
Shankar Narasimhan2297.25
S. Murty Bhallamudi3132.17
S. Bairagi451.10