System and method for least squares filtering based leak flow es

Details System and method for least squares filtering based leak flow es System and method for least squares filtering based leak flow es

1997-09-26

2000-06-13

Wachsman, Hal

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

702 50, 702 45, 3955003, 73 40, 73 414, G01M 300

Patent

active

060760486

ABSTRACT:
A method and system for detecting and estimating leaks in an industrial boiler whereby the method and system formulate the leak detection problem as a least squares fitting problem, where one or more of the fitted parameters estimate leak flows. The method and system create a representation that incorporates a leak model component, a process model component and a noise model component into the representation. This invention provides a variety of leak dotproduct.sub.ij (tCurrent)=exp(-(tCurrent-tPrevious)/Tau.sub.ij)* dotproduct.sub.ij (tPrevious)+(1-exp(-min(t/Current-tPrevious, maxDt)/ Tau.sub.ij))*x.sub.i (tCurrent)*x.sub.j (tCurrent).

REFERENCES:
patent: 5315530 (1994-05-01), Gerhardt et al.
patent: 5471400 (1995-11-01), Smalley et al.
patent: 5756880 (1998-05-01), Chen et al.

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