Volume 28 Issue 6
Jun.  2013
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WU Jun-feng, GUO Ying-qing. Design and simulation of aero-engine steady-state and transient-state control integration[J]. Journal of Aerospace Power, 2013, 28(6): 1436-1440.
Citation: WU Jun-feng, GUO Ying-qing. Design and simulation of aero-engine steady-state and transient-state control integration[J]. Journal of Aerospace Power, 2013, 28(6): 1436-1440.

Design and simulation of aero-engine steady-state and transient-state control integration

  • Received Date: 2012-09-21
  • Publish Date: 2013-06-28
  • The issue of synthesizing steady-state and transient-state control laws for a turbofan engine was studied.Firstly,a number of steady-state point PI(proportional integral) controllers were designed using root locus analysis and time domain method from ground idle power to take-off power,and furthermore full flight envelope controllers were designed using interpolation method and corrected parameters.Secondly,the synthesis control system was acquired by integrating schedule-based transient control and steady-state control through max/min logic into which an anti wind-up module was added to cope with the influence of integrator wind-up.Finally,the synthesis control system was validated in software MATLAB/Simulink.The results indicate that the synthesis control system has the following advantages:(1) during steady-state,the anti-disturbance quality is good;(2) during transient-state,the response curve is flat;(3) the system uses a variety of restrictions effectively with both anti-windup and smooth switching functions.

     

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