矢量喷管数学模型研究
A THRUST-VECTORING NOZZLE MATH MODEL
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Abstract: A thrust-vectoring nozzle modeling method is developed by means of the Finite Volume Method (FVM) and Back-Propagations neural networks.The neural networks learning samples are the results of the FVM computation.The obtained model describes the functions of the nozzle thrust,thrust coefficient and vectoring angle to the inlet,exit and structural parameters of the nozzle.The model is of great significance for reseaching vectoring nozzle control law and Integrated Flight/Propulsion control.The investigation shows that the deviations among the output of the model,the results of FVM computation,and the test data are quite small.
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Key words:
- Jet nozzles /
- Vector control /
- Mathematical models /
- Finite element methods /
- Neural networks
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