Title :
About friction modeling for observer-based leak estimation in pipelines
Author :
Dulhoste, J-F ; Besançon, G. ; Torres, L. ; Begovich, O. ; Navarro, A.
Author_Institution :
Dept. de Cienc. Termicas, Univ. de los Andes, Merida, Venezuela
Abstract :
A study of the friction model for the leak detection with a nonlinear observer is presented. Classically the friction model in leak detection algorithms only relies on a constant parameter. In the present work, the use of a more elaborate friction model is considered, with a coefficient explicitly depending on the flow, either algebraically, or even differentially. Those friction formulations are implemented within a nonlinear-observer-based algorithm for detection and location of leaks, which is analyzed, and tested with real measurements on some experimental pipeline prototype. Some conclusions and recommendations about this extended friction modeling are finally given.
Keywords :
flow control; friction; leak detection; nonlinear control systems; observers; pipe flow; pipelines; constant parameter; friction formulation; friction modeling; nonlinear observer-based leak estimation; nonlinear-observer-based algorithm; pipeline leak detection algorithm; pipeline prototype; Equations; Friction; Leak detection; Mathematical model; Observers; Pipelines; Reactive power; Friction models; High gain; Leak Detection and Isolation; Nonlinear model; Nonlinear observer;
Conference_Titel :
Decision and Control and European Control Conference (CDC-ECC), 2011 50th IEEE Conference on
Conference_Location :
Orlando, FL
Print_ISBN :
978-1-61284-800-6
Electronic_ISBN :
0743-1546
DOI :
10.1109/CDC.2011.6160241
