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动力翼伞纵向四自由度动力学仿真

杨华 宋磊 王文剑 黄俊

杨华, 宋磊, 王文剑, 等 . 动力翼伞纵向四自由度动力学仿真[J]. 北京航空航天大学学报, 2014, 40(11): 1615-1622. doi: 10.13700/j.bh.1001-5965.2014.0086
引用本文: 杨华, 宋磊, 王文剑, 等 . 动力翼伞纵向四自由度动力学仿真[J]. 北京航空航天大学学报, 2014, 40(11): 1615-1622. doi: 10.13700/j.bh.1001-5965.2014.0086
Yang Hua, Song Lei, Wang Wenjian, et al. 4-DOF longitudinal dynamic simulation of powered-parafoil[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(11): 1615-1622. doi: 10.13700/j.bh.1001-5965.2014.0086(in Chinese)
Citation: Yang Hua, Song Lei, Wang Wenjian, et al. 4-DOF longitudinal dynamic simulation of powered-parafoil[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(11): 1615-1622. doi: 10.13700/j.bh.1001-5965.2014.0086(in Chinese)

动力翼伞纵向四自由度动力学仿真

doi: 10.13700/j.bh.1001-5965.2014.0086
详细信息
    作者简介:

    杨华(1987-),男,浙江宁波人,博士生,yhbuaa@163.com.

  • 中图分类号: V212

4-DOF longitudinal dynamic simulation of powered-parafoil

  • 摘要: 在考虑载荷物和伞体相对运动的前提下,研究了动力翼伞纵向运动过程.将伞体和伞绳作为一个平面运动刚体,载荷物具有绕系挂点的摆动自由度,建立纵向四自由度动力学模型.求解翼伞从平飞至爬升状态推力阶跃操纵的动力学响应,由状态量的变化曲线得出动力操纵初期伞体失速倾覆的主要原因是迎角剧烈变化而超过失速边界.获得推力操纵值和推力增加速率所形成的操纵包线,当推力操纵幅度较小时,增加速率并无限制;当推力增加幅度较大时,增加速率的限制值随着增幅变大而减小.此外从能量角度计算了大动力快速操纵前后载荷物的机械能变化,并提出动力翼伞新的雀降操纵方式.计算表明该方法可以有效减少接地前后的能量,即可以减少接地后载荷物翻转对正面动力系统的冲击.

     

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出版历程
  • 收稿日期:  2014-03-03
  • 网络出版日期:  2014-11-20

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