Volume 40 Issue 12
Dec.  2025
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DONG Yunhui, GUO Yingqing, XU Kejie. Design of full envelop controller for variable cycle engine based on two-degree-of-freedom H∞ control[J]. Journal of Aerospace Power, 2025, 40(12):20240693 doi: 10.13224/j.cnki.jasp.20240693
Citation: DONG Yunhui, GUO Yingqing, XU Kejie. Design of full envelop controller for variable cycle engine based on two-degree-of-freedom H control[J]. Journal of Aerospace Power, 2025, 40(12):20240693 doi: 10.13224/j.cnki.jasp.20240693

Design of full envelop controller for variable cycle engine based on two-degree-of-freedom H control

doi: 10.13224/j.cnki.jasp.20240693
  • Received Date: 2024-10-11
    Available Online: 2025-07-06
  • The H robust stability theory was combined with the classical loop shaping theory to design a two-degree-of-freedom H controller while taking into account both the control performance and robustness requirements of the system; to simplify the control system, the inner-loop controller was reduced to the seventh order, and the outer-loop controller was reduced to the fourth order; for the full envelope wide-range tracking control problem, 18 design points were selected within the flight envelope, the controllers were designed for different operating modes and power levels, and the gain scheduling table was constructed; different flight conditions were selected for simulation, and the simulation results showed that the steady state error was 0 and the settling time was less than 2.5 s, which verified the good control performance of the full envelope H controller; finally, the hardware-in-the-loop simulation platform was built to verify the two-degree-of-freedom H control algorithm. The results showed that the control algorithm can complete the calculation within 2 ms, and the engine output can track the reference instruction quickly and accurately, verifying the real-time and effectiveness of the algorithm in the hardware environment.

     

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