The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 09, 2013
Filed:
Dec. 14, 2009
Jérôme Lacaille, Rosny Sous Bois, FR;
Jérôme Lacaille, Rosny Sous Bois, FR;
SNECMA, Paris, FR;
Abstract
A method and a system for standardizing data used for monitoring an aeroengine, and including: operating over time to collect time-series measurements from the aeroengine; calculating from the time-series measurements a set of indicators Y=(y, . . . , y, . . . , y) specific to elements of the engine; identifying from the time-series measurements an exogenous data set X=(x, . . . , x) representative of external context acting on the set of indicators Y; defining a conditional multidimensional model simultaneously handling the indicators of the set of indicators Y while taking account of the exogenous data set X to form a set of estimators Ŷ=(ŷ, . . . , ŷ, . . . , ŷ) corresponding to the set of indicators Y=(y, . . . , y, . . . , y); and normalizing each estimator ŷas a function of a reference value for the corresponding indicator yand of a difference between each estimator ŷand corresponding indicator yso as to form a set of standardized values {tilde over (Y)}=({tilde over (y)}, . . . , {tilde over (y)}, . . . , {tilde over (y)}).