Rapid diagnosis method for rotating stall of axial flow compressor based on determined learning theory
A technology for determining learning theory and axial flow compressors, applied in biological models, electrical digital data processing, special data processing applications, etc., and can solve problems such as difficulty in satisfying continuous excitation conditions
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[0047] Example
[0048] The schematic diagram of the overall structure of the aviation turbofan engine is shown in Figure (1). The air enters the compressor from the front air inlet of the engine through the guide vane cascade (where P T Represents the external atmospheric pressure), the compressor pressurizes the low-pressure gas in the combustion chamber to burn with fuel (such as gasoline) to form high-temperature and high-pressure gas, and the high-temperature and high-pressure gas is ejected from the tail nozzle to form a rebound force to provide the required power for the aircraft. Consider the following Mansoux model (finite-dimensional high-order dynamic system) for the rotating stall of an axial compressor:
[0049] E φ · = - Aφ + Ψ c ( φ ) - T ψ ‾ ψ ‾ · = 1 4 l c B 2 ( Sφ - Φ T ( ψ ) ) - - - ( 1 )
[0050] Where φ=[φ 1 φ 2 …Φ M ] T Is the flow sta...
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