A Modeling Method for Uncertain Fuzzy Dynamic Model of Aeroengine with Time Delay
An aero-engine and uncertainty technology, which is used in the modeling of aero-engine dynamic models and the modeling of uncertain fuzzy dynamic models of aero-engines with time delay. Model dynamic information, improve calculation speed and real-time performance, and avoid the effect of a large number of iterative solution processes
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[0043] The concrete realization of this embodiment is described in detail below:
[0044] (1) Establish engine multi-dynamic component-level model
[0045] For a twin-shaft turbofan engine with afterburner, the cavity to be considered is selected from the combustion chamber, the high-low pressure turbine room, the connotation nozzle and the afterburner chamber, etc. The components that do not consider the cavity are the intake duct, fan, compressor, Outer bypass, high pressure turbine, low pressure turbine, mixing chamber and tailpipe.
[0046] Establish a component-level model that considers the components of the cavity, consider the volume effect of the cavity (the accumulation effect of flow and energy) after the component-level model, establish a volume dynamics model for the corresponding cavity, and realize the correction of the temperature and pressure of the component. Thus, a volume dynamics model considering the cavity parts is established.
[0047] Select the comp...
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