| FENG Zi-xuan1, ZHOU Ping2.Robustness Optimization Design of Radial Deformation for Turbine Rotor[J].航空发动机,2017,43(5):31-34 |
| Robustness Optimization Design of Radial Deformation for Turbine Rotor |
| DOI： |
| Key Words:distributed collaborative response surface Kriging turbine rotor fruit flies optimization algorithm robustness
optimization曰aeroengine |
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| Abstract:Considering the influence of parameter uncertainty on the rotor radial deformation, the turbine rotor radial deformation
robustness optimization method was put forward based on distributed coordinated response. Firstly, the Kriging model was used to build the
surface model of the component parameters and the radial deformation response model. Then, the response surface model of the global
parameter and the rotor radial deformation was established by using the distributed cooperative response surface method. Secondly, the
optimization model of radial rotor stability of turbine rotor was established by using the system response surface model, and the fruit flies
optimization algorithm was used to solve the robustness optimization. The optimization results show that the mean value of the radial
deformation of the turbine rotor and the standard deviation ratio are reduced by 7.3% and 4.97% before optimization. The results show that
the method is feasible and effective in engineering application. |
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