US 11,746,672 B2
Method and system for monitoring a system for actuating a component of a turbomachine
Sébastien Jacques François Michel Soulie, Moissy-Cramayel (FR)
Assigned to SAFRAN AIRCRAFT ENGINES, Paris (FR)
Appl. No. 17/601,342
Filed by SAFRAN AIRCRAFT ENGINES, Paris (FR)
PCT Filed Apr. 3, 2020, PCT No. PCT/EP2020/059599
§ 371(c)(1), (2) Date Oct. 4, 2021,
PCT Pub. No. WO2020/201522, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 1903666 (FR), filed on Apr. 5, 2019.
Prior Publication US 2022/0178269 A1, Jun. 9, 2022
Int. Cl. F01D 17/16 (2006.01); F01D 17/14 (2006.01); F02K 1/15 (2006.01); F02K 1/76 (2006.01); F01D 7/02 (2006.01); F01D 7/00 (2006.01); F02C 9/22 (2006.01); F02C 9/54 (2006.01)
CPC F01D 17/14 (2013.01) [F02K 1/15 (2013.01); F02K 1/76 (2013.01); F01D 7/00 (2013.01); F01D 7/02 (2013.01); F01D 17/162 (2013.01); F02C 9/22 (2013.01); F02C 9/54 (2013.01); F05D 2220/32 (2013.01); F05D 2240/12 (2013.01); F05D 2270/30 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A method for monitoring an actuating system (10) of a movable component, particularly a movable component of a turbomachine such as a nozzle or a blade, said actuating system (10) comprising a control device (1) configured to deliver a position instruction (CONS) to a first cylinder (11) and a second cylinder (21), each cylinder (11, 21) being configured to deliver a position feedback measurement (12, 22) in response to said position instruction (CONS), the method being implemented in a monitoring system (20), the monitoring system comprising:
a first monitoring mode (M1) in which deviations between the position feedback measurements (12, 22) of the two cylinders (11, 21) are detected;
a second monitoring mode (M2) in which deviations between the position feedback measurements (12, 22) of the two cylinders (11, 21) are not detected, the method comprising:
monitoring, by said monitoring system, and
selecting the second mode when it's detected that one of the two position feedback measurements is in said transient phase.