Volume 30 Issue 4
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HUANG Jin-quan, LIU Nan, TANG Yu-ting. Frequency domain optimal tuning method of PI control parameters for aero-engine[J]. Journal of Aerospace Power, 2015, 30(4): 979-984. doi: 10.13224/j.cnki.jasp.2015.04.026
Citation: HUANG Jin-quan, LIU Nan, TANG Yu-ting. Frequency domain optimal tuning method of PI control parameters for aero-engine[J]. Journal of Aerospace Power, 2015, 30(4): 979-984. doi: 10.13224/j.cnki.jasp.2015.04.026
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Frequency domain optimal tuning method of PI control parameters for aero-engine

doi: 10.13224/j.cnki.jasp.2015.04.026

  • 1. Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;

  • 2. Collaboration Innovation Center for Advanced Aero-Engine, Beijing 100191, China;

  • 3. Shanghai Aircraft Design and Research Institute, Commercial Aircraft Corporation of China Limited, Shanghai 200232, China

  • Received Date: 2013-11-12
  • Publish Date: 2015-04-28
    Abstract
  • For the aero-engine high and low rotor speed control loops and pressure ratio control loop, the method of determining the stability region of the proportion-integration (PI) control parameters satisfying the gain margin and phase margin was researched. According to the system stability analytical model in frequency domain, the stability region graphic of system parameters in frequency domain with PI controller considered was established. The optimal objective function was defined in terms of the typical dynamic performance indices and robustness indices, and a set of optimal PI control parameters were found in the obtained stability region of control parameters. This method was applied to controller parameters design of aero-engine for the high and low rotor speed control loops and pressure ratio control loop, and PI controllers under different states were designed. Simulation results demonstrate that the tuning method satisfies performance indices and robustness of closed loop system.

     

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