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倾转旋翼机低速回避区研究

陈金鹤 汪正中 马玉杰

陈金鹤, 汪正中, 马玉杰等 . 倾转旋翼机低速回避区研究[J]. 北京航空航天大学学报, 2019, 45(11): 2184-2192. doi: 10.13700/j.bh.1001-5965.2019.0071
引用本文: 陈金鹤, 汪正中, 马玉杰等 . 倾转旋翼机低速回避区研究[J]. 北京航空航天大学学报, 2019, 45(11): 2184-2192. doi: 10.13700/j.bh.1001-5965.2019.0071
CHEN Jinhe, WANG Zhengzhong, MA Yujieet al. Research on low-speed avoidance zone of tiltrotor[J]. Journal of Beijing University of Aeronautics and Astronautics, 2019, 45(11): 2184-2192. doi: 10.13700/j.bh.1001-5965.2019.0071(in Chinese)
Citation: CHEN Jinhe, WANG Zhengzhong, MA Yujieet al. Research on low-speed avoidance zone of tiltrotor[J]. Journal of Beijing University of Aeronautics and Astronautics, 2019, 45(11): 2184-2192. doi: 10.13700/j.bh.1001-5965.2019.0071(in Chinese)

倾转旋翼机低速回避区研究

doi: 10.13700/j.bh.1001-5965.2019.0071
详细信息
    作者简介:

    陈金鹤  男, 硕士, 工程师。主要研究方向:直升机飞行动力学

    汪正中  男, 研究员。主要研究方向:直升机飞行动力学

    马玉杰  女, 硕士, 高级工程师。主要研究方向:直升机飞行动力学

    通讯作者:

    陈金鹤.E-mail:cjhe08034105@163.com

  • 中图分类号: V221+.3;TB553

Research on low-speed avoidance zone of tiltrotor

More Information
  • 摘要:

    针对单发、全发失效(OEI/AEI)后提升倾转旋翼机安全性的需求,基于最小化回避区思想分析预测倾转旋翼机的高度-速度低速回避区。首先,引入混合操纵模型,建立倾转旋翼机发动机失效后增广的二维纵向刚体飞行动力学模型,基于最优控制理论将倾转旋翼机低速回避区边界转化为安全着陆问题;然后,构建倾转旋翼机发动机失效后安全着陆飞行的连续非线性最优控制模型,采用间断有限元法(DPG)和非线性规划算法进行求解;最后,以XV-15为研究对象,验证了算法的准确性,并研究了不同飞行重量、操纵要求下,倾转旋翼机的单发、全发失效的高度-速度低速回避区,分析了倾转短舱对低速回避区的影响,给出了XV-15单发失效的垂直起飞最大安全重量。

     

  • 图 1  不同模型的配平状态数据对比

    Figure 1.  Comparison results of trim from different models

    图 2  经典旋翼机低速回避区示意图

    Figure 2.  Classical low-speed avoidance zone of rotorcraft

    图 3  不同模型的单发失效状态最优化轨迹

    Figure 3.  Optimal trajectory of different models in one engine inoperative (OEI) condition

    图 4  倾转旋翼机单发失效H-V曲线

    Figure 4.  H-V diagram of tiltrotor in OEI condition

    图 5  单发失效时高悬停点飞行轨迹及操纵时间历程(m=6 350 kg)

    Figure 5.  Flight trajectory and history of control of high hover point in OEI condition (m=6 350 kg)

    图 6  倾转旋翼机全发失效H-V曲线

    Figure 6.  H-V diagram of tiltrotor in AEI condition

    图 7  全发失效时飞行轨迹及操纵时间历程(m=5 443 kg)

    Figure 7.  Flight trajectory and history of control in AEI condition (m=5 443 kg)

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出版历程
  • 收稿日期:  2019-03-01
  • 录用日期:  2019-05-19
  • 网络出版日期:  2019-11-20

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