Realtime computer assisted leak detection/location reporting...

Details Realtime computer assisted leak detection/location reporting... Realtime computer assisted leak detection/location reporting...

2005-11-29

2005-11-29

Nghiem, Michael (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C073S04050A, C073S04050R, C702S051000

Reexamination Certificate

active

06970808

ABSTRACT:
There is provided a method for detecting and locating leaks in a pipeline network in real-time. A flow model is provided that characterizes flow behavior for at least one of steady and unsteady states respectively corresponding to an absence and a presence of model leaks in the pipeline network, the flow model including a leaking factor kL. A deterministic model is provided to evaluate at least one of a leak status and a no leak status relating to the pipeline network using deterministic criteria. The deterministic criteria is based on a Liapunov Stability Theory. A deviation matrix is constructed based on the flow model and the deterministic model to generate eigenvalues. A leak alarm is generated when at least one of the eigenvalues is less than a predetermined value.

REFERENCES:
patent: 4361030 (1982-11-01), Heide
patent: 5548530 (1996-08-01), Baumoel
patent: 6356205 (2002-03-01), Salvo et al.
patent: 6405135 (2002-06-01), Adriany et al.
patent: 6444119 (2002-09-01), Mains, Jr.
patent: 6526807 (2003-03-01), Doumit et al.
patent: 2002/0124633 (2002-09-01), Yang et al.
patent: 2002/0134140 (2002-09-01), Baumoel

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