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弹射座椅不利姿态控制规律设计

毛晓东 林贵平 郁嘉

毛晓东, 林贵平, 郁嘉等 . 弹射座椅不利姿态控制规律设计[J]. 北京航空航天大学学报, 2016, 42(3): 426-434. doi: 10.13700/j.bh.1001-5965.2015.0188
引用本文: 毛晓东, 林贵平, 郁嘉等 . 弹射座椅不利姿态控制规律设计[J]. 北京航空航天大学学报, 2016, 42(3): 426-434. doi: 10.13700/j.bh.1001-5965.2015.0188
MAO Xiaodong, LIN Guiping, YU Jiaet al. Design of control law for ejection seat under adverse attitudes[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(3): 426-434. doi: 10.13700/j.bh.1001-5965.2015.0188(in Chinese)
Citation: MAO Xiaodong, LIN Guiping, YU Jiaet al. Design of control law for ejection seat under adverse attitudes[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(3): 426-434. doi: 10.13700/j.bh.1001-5965.2015.0188(in Chinese)

弹射座椅不利姿态控制规律设计

doi: 10.13700/j.bh.1001-5965.2015.0188
详细信息
    作者简介:

    毛晓东 男,讲师。主要研究方向:弹射救生技术、飞机与发动机防除冰。Tel.:024-89738720 E-mail:mxdbh@163.com

    通讯作者:

    毛晓东,Tel.:024-89738720 E-mail:mxdbh@163.com

  • 中图分类号: V244.21

Design of control law for ejection seat under adverse attitudes

  • 摘要: 弹射座椅在低空不利姿态下的弹射救生性能是第四代弹射座椅的关键技术,而控制规律算法设计则是姿态轨迹控制的核心问题。提出了一种全新的控制规律设计方法,通过建立弹射全过程的轨迹姿态仿真模型、设计控制参数寻优计算模型,得到离散化的最优控制参数集。利用基于误差逆向传播(BP)算法的多层前馈神经网络模型,获得弹射状态全区间范围内的连续性控制规律算法。以单滚转不利姿态为例,进行了控制规律算法的设计验证。结果表明,采用本文控制规律算法后,弹射座椅在最低安全救生高度性能指标上远远优于多模态控制规律、美俄联合研制的K36Л-3.5型座椅,并基本满足国军际的性能要求。设计方案简单明确,结果算法逼近理论最优值,可以为第四代弹射座椅控制规律设计提供一定的参考意义。

     

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出版历程
  • 收稿日期:  2015-03-31
  • 刊出日期:  2016-03-20

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