| 摘要 |
The invention relates to a method and a system for monitoring an ephemeral event on a vane impeller (3) of an aircraft engine (5), including: acquisition means (7) for acquiring a time signal (S1) relating to movable vanes (31) of the vane impeller (3), processing means (11) for detecting a disturbance in said time signal (S1) with respect to a reference time signal (S0) corresponding to a same flight phase, the disturbed time signal being indicative of an ephemeral event on said vane impeller (3). |
