AEROSPACE SHANGHAI, Volume. 41, Issue 4, 1(2024)

Fixed Time Control of RLV landing Section Under the Influence of Complex Wind Field

Naigang CUI... Guoxin QU and Yuhao ZHANG |Show fewer author(s)
Author Affiliations
  • School of Astronautics,Harbin Institute of Technology,Harbin150001,,China
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    Figures & Tables(17)
    Change curve of the additional angle of attack under the downwind condition
    Change curve of the additional side slip angle under the downwind condition
    Change curve of the additional angle of attack under the headwind condition
    Change curve of the additional angle of attack under the headwind condition
    Framework diagram of the controller
    Change curves of the attitude angle under different conditions
    Change curves of the attitude angular velocity under different conditions
    Change curves of the attitude angle under different control laws
    Change curves of the attitude angle rate under different control laws
    Change curves of the disturbance observation values and the observation errors
    Change curves of the control moments under different control laws
    ITAE values under different control laws
    RMSE values under different control laws
    • Table 1. Initial conditions for the attitude angle

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      Table 1. Initial conditions for the attitude angle

      序号条件1条件2条件3条件4条件5条件6
      状态φ0=1°φ0=-1°φ0=2°φ0=-2°φ0=3°φ0=-3°
    • Table 2. Control parameter values for the conditions listed in Tab.1

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      Table 2. Control parameter values for the conditions listed in Tab.1

      组成项参数值
      观测器参数k1=l1=15,k2=l2=75,k3=l3=125,K=1,α1=0.8,β1=1.2
      控制律参数m1=m2=5,n1=n2=2,a=1.1,b=0.8
    • Table 3. Control parameter values for the limited time method

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      Table 3. Control parameter values for the limited time method

      控制方法参数值
      有限时间方法k1=18,k2=108,k3=216,α1=0.8,m1=m2=6,b=0.8
    • Table 4. ITAE and RMSE values for the channels of different controllers

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      Table 4. ITAE and RMSE values for the channels of different controllers

      控制方法ITAE值/[(°)·s2]RMSE值/(°)
      俯仰偏航滚转俯仰偏航滚转
      无观测器0.409 83.404 646.783 40.006 00.005 20.428 9
      有限时间方法0.008 30.784 11.152 50.005 90.003 30.027 7
      本文方法0.007 50.736 90.866 50.005 40.002 70.024 4
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    Naigang CUI, Guoxin QU, Yuhao ZHANG. Fixed Time Control of RLV landing Section Under the Influence of Complex Wind Field[J]. AEROSPACE SHANGHAI, 2024, 41(4): 1

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    Paper Information

    Category: Special Paper of Expert

    Received: Jun. 25, 2024

    Accepted: --

    Published Online: Nov. 18, 2024

    The Author Email:

    DOI:10.19328/j.cnki.2096-8655.2024.04.001

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