Method and a system for diagnosing an aircraft from...

Details Method and a system for diagnosing an aircraft from... Method and a system for diagnosing an aircraft from...

2011-05-24

2011-05-24

Nguyen, Tan Q (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Aeronautical vehicle

C701S029000, C701S120000, C702S035000, C706S016000

Reexamination Certificate

active

07949439

ABSTRACT:
A method of diagnosing an aircraft by analyzing at least one spectrum obtained from measurements taken on the aircraft, in particular from vibration measurements, in which the spectrum (spectra) to be analyzed is/are input to a calculation module (23) together with at least one first reference spectrum, the calculation module determining a diagnosis value (Diag) as a function of the spectrum (spectra) to be analyzed, of the reference spectrum (spectra), and of parameters determined from at least two reference spectra including the first reference spectrum.

REFERENCES:
patent: 6282459 (2001-08-01), Ballantine et al.
patent: 6301572 (2001-10-01), Harrison
patent: 6507790 (2003-01-01), Radomski
patent: 2005/0096873 (2005-05-01), Klein
patent: 2007/0087756 (2007-04-01), Hoffberg
patent: 61-38426 (1986-02-01), None
Tran et al., “A Rapid Helicopter Drive Train Fault Detection Using Neuro-Fuzzy Method,” http://erf32.nlr.nl/abstracts/pdf/HU02.pdf, 32ndEuropean Rotorcraft Forum (Sep. 12, 2006).

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