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1. (WO2017174400) METHOD FOR DETECTING SOFT FAULTS IN A CABLE BY DATA FUSION

Pub. No.:    WO/2017/174400    International Application No.:    PCT/EP2017/057296
Publication Date: Fri Oct 13 01:59:59 CEST 2017 International Filing Date: Wed Mar 29 01:59:59 CEST 2017
IPC: G01R 31/11
Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
Inventors: BEN HASSEN, Wafa
MOTTIN, Julien
DUPRET, Antoine
GALLEGO ROMAN, Miguel
LESECQ, Suzanne
PUSCHINI PASCUAL, Diego
RAVOT, Nicolas
ZANCHETTA, Armando
Title: METHOD FOR DETECTING SOFT FAULTS IN A CABLE BY DATA FUSION
Abstract:
Method for detecting soft faults in a transmission line, comprising the following steps: - acquiring (401) a measurement, termed a time-domain reflectogram, of a characteristic signal of the reflection of a reference signal previously injected in the line; - determining (402) the difference between said time-domain reflectogram and a time-domain reflectogram measured earlier for the same line or an identical line with similar characteristics, in order to obtain a corrected time-domain reflectogram; - applying (4031, 403i, 403N) a plurality of independent transformations to the corrected time-domain reflectogram, in order to obtain a plurality of independent transformed reflectograms; - converting (404, 405, 406, 407) the transformed reflectograms into a plurality of mutually-independent probabilities of occurrence of a fault, - applying (408) a data fusion method to the probabilities of occurrence of a fault in order to deduce a unified value of the probability of occurrence of a fault.