一种航空发动机可调导向叶片作动机构卡滞故障识别方法
By monitoring the engine status and valve position in real time, and combining the high-pressure rotor speed and duty cycle signals, the jamming fault of the adjustable guide vane actuator of the aero-engine can be identified, which solves the problem of inaccurate identification in the existing technology and improves the safety of the engine.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- AECC SHENYANG ENGINE RES INST
- Filing Date
- 2023-06-13
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies are insufficient to accurately identify jamming faults in the actuation mechanism of adjustable guide vanes in aero engines, leading to unstable engine operation, surge risk, and the interpretation methods have broad boundary values and blank areas that are not interpreted.
By collecting engine status data in real time, the current state of the engine is determined, the position of the control mechanism valve is obtained, and a criterion for a specific duration is set to identify jamming faults, eliminate the influence of advanced control and the starting phase, and improve the accuracy of identification.
It enables early identification of jamming faults in the adjustable guide vane actuator, preventing the fault from worsening and improving the safety of engine operation.
Smart Images
Figure CN116754246B_ABST