Due to various reasons, the aeroengine needs rigorous real-time monitoring of the working state of the engine during the flight test. Recently, the flight test center successfully developed the engine condition monitoring system and realized the real-time monitoring of the key parameters of the engine condition.
The flight test center successfully developed the engine condition monitoring system and realized the real-time monitoring of the key parameters of the engine condition. It has also achieved good results in the test flight of a certain type of engine. In order to realize the real-time monitoring of all the key parameters of the engine and finally Achieve automated, intelligent engine test laid the foundation.
In the process of aeroengine test flight, the technical state of the engine is often not mature enough, and the assessment conditions are extremely harsh. In the test flight, various known or unknown unintended abnormalities are easily occurred, and in severe cases, the flight safety may even be endangered. Therefore, the flight test needs to be carried out in close real-time monitoring of engine operating conditions.
In order to effectively solve the problem of engine condition monitoring, the test center concentrated its efforts on the key strengths. During the process of engine calibration and scientific test flight, researchers will measure the operating parameters at all cross-sections of the engine flow and monitor the changes of the parameters of the measurement position during the engine operation. At the same time, researchers use machine learning technology to excavate and analyze the massive test data that can characterize the actual working state of the engine, identify the engine working model, and establish an engine condition monitoring system based on the flight test data. The method has the advantages of calculating speed Fast, high prediction accuracy, real-time monitoring of engine status can be realized online.
At present, the system has completed the commissioning and development, and real-time monitoring with the flight test center large-scale system of joint debugging, in a certain type of engine oil temperature, oil pressure and vibration monitoring has achieved good results. Follow-up, test center will expand the scope of application of the method to achieve real-time monitoring of all key engine parameters.
It is reported that the successful application of the engine condition monitoring system not only provides protection for engine type test flight safety but also gives full play to the advantages of flight test data to provide suggestions and references for flight planning and enhance the technical competitiveness of engine flight tests. Intelligent engine test to lay the foundation.
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