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Method and system for monitoring system for actuating component of turbomachine

A technology for actuation systems, turbines, applied in the directions of engine components, engine control, engine functions, etc., which can solve problems such as expensive personnel and time, increased observation of cylinder measurement deviations, and increased costs.

Active Publication Date: 2021-12-07
SAFRAN AIRCRAFT ENGINES SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These repairs are very expensive in terms of personnel and time (finding faults, replacing cylinders)
[0007] In order to avoid these maintenance operations and prolong the life under the wing before removal, there is a need to improve the detection of measurement deviation between cylinders, lack of detection will lead to increased observation of measurement deviation between cylinders while the actuation system is aging
This increase in deviation information reduces engine availability and increases costs associated with maintenance operations

Method used

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  • Method and system for monitoring system for actuating component of turbomachine
  • Method and system for monitoring system for actuating component of turbomachine
  • Method and system for monitoring system for actuating component of turbomachine

Examples

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Embodiment Construction

[0030] figure 1 Shown is an actuation system 10 of a component of a turbine, such as a nozzle or a vane, comprising a control device 1 configured to transmit a position command CONS to a first cylinder 11 and a second cylinder 21 . The first cylinder 11 and the second cylinder 21 are in particular the so-called "master" cylinders of the actuation system: each of these two cylinders is provided with a position feedback module 12 , 22 . If other cylinders are present, they are not equipped with this type of module.

[0031] The position command CONS is converted into a command voltage for controlling the cylinders 11 and 21 . After applying a position command CONS to each cylinder, each cylinder 11 , 21 moves according to said command CONS. In order to verify that the cylinders 11, 21 have moved according to the position command, as described above, each cylinder 11, 21 is equipped with a position feedback module 12, 22 which measures the actual movement of the cylinder 11, 21...

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Abstract

The present invention concerns a method for monitoring an actuating system of a movable component, in particular a movable component of a turbomachine, such as a nozzle or a blade. The actuating system comprises a control device configured to deliver a position instruction to a first cylinder and a second cylinder, and each cylinder is configured to deliver a position feedback measurement in response to the position instruction. The method is implemented in a monitoring system and comprises a first monitoring mode in which the deviations between the position feedback measurements of the two cylinders are detected; a second monitoring mode in which the deviations between the position feedback measurements of the two cylinders are not detected, wherein the second mode is selected when at least one of the two position feedback measurements is in a transient phase.

Description

technical field [0001] The invention relates to the field of actuation systems for actuating components of turbomachines by means of cylinders. The invention relates more particularly to the monitoring of actuation systems of this type. Background technique [0002] Turbomachines typically include modules with movable parts such as nozzles or blades. These parts must be able to move on command, and the movement of these parts is controlled by one or more cylinders. These movable parts form the kinematics of the considered module and are usually actuated by cylinders. For safety and redundancy reasons, two position measurements of one or more cylinders by means of systems indicating position feedback are standard. [0003] For cost reasons it is not possible to equip each cylinder with this type of position feedback system. Therefore, if the number of cylinders is more than two, only the two cylinders, called master cylinders, are usually equipped with this type of positi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D17/10F02K1/15F02K1/76
CPCF02K1/763F02K1/15F01D17/10F05D2260/80F01D17/14F02K1/76F05D2220/32F05D2240/12F05D2270/30F01D17/162F01D7/02F01D7/00F02C9/22F02C9/54
Inventor 塞巴斯蒂安·雅克·弗朗索瓦·米歇尔·苏利埃
Owner SAFRAN AIRCRAFT ENGINES SAS
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