METHOD FOR MONITORING THE EFFICIENCY OF A DAMPER AND DEVICE FOR CARRYING OUT SAID METHOD

摘要

The present invention relates to a method for controlling the efficiency of a damping system, characterized in that it consists in measuring the relative displacements of two reinforcements, filtering the measurements to isolate those relating to the natural frequency of drag of the blade, to straighten the signal, to record the signal, to compare the rectified signal (S) with a threshold value (SL), to determine an initial time instant (TO) as soon as the rectified signal exceeds the threshold value (S ), to calculate the integrals of the signal from (TO) to (T0 + δ) and (TO) to (T0 + pδ), to calculate the ratio (R) of the integrals and to compare the ratio (R) to a value limit (RL), and to activate and issue an alert instruction (V1) if the ratio (R) is greater than or equal to the limit value (RL).