Volume 27 Issue 8
Aug.  2012
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LU Jun, GUO Ying-qing, WANG Lei. A new method for designing optimal control law of aeroengine in transient states[J]. Journal of Aerospace Power, 2012, 27(8): 1914-1920.
Citation: LU Jun, GUO Ying-qing, WANG Lei. A new method for designing optimal control law of aeroengine in transient states[J]. Journal of Aerospace Power, 2012, 27(8): 1914-1920.

A new method for designing optimal control law of aeroengine in transient states

  • Received Date: 2011-09-16
  • Publish Date: 2012-08-28
  • A new method——fixed dynamic method(FDM),which delt with the issue of designing optimal control law of aeroengine in transient states,was proposed.Firstly,based on a detailed non-linear aerothermodynamic model,it made the errors of nonlinear equations set to zero via extracting all of state variable rates and let the model reach steady-state,which meant the parameters in this state were equal to that in transient state;secondly,according to the given limited conditions respectively,the control laws can be built directly via simple static programming method;finally,merged all of them via Max/Min selection and obtained the optimal control law.The computing results of the improved acceleration control law of some turbofan engine indicate that the FDM is accurate and effective.

     

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