空中加油最佳对接起始偏差位置
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V217+.1

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Optimal Initial Offset of Docking in Aerial Refueling
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    摘要:

    为提高软式空中加油对接成功率,寻找降低头波影响的对接策略,建立了受油机头波影响下的软管-锥套六自由度动力学模型,利用飞行试验数据验证了模型的稳态特性和动态特性;研究了对接阶段受油机以不同速度进近时,头波影响下的锥套运动特征,定义了“最佳对接起始偏差位置”的概念;研究表明:对接前,受油机在锥套后7m以外时,将受油插头对准“最佳对接起始偏差位置”并直线向锥套靠近,能最大程度降低头波对对接的影响;最终,依据工程计算结果,提出“调整靠近—等待—对接”的受油机对接进近策略。

    Abstract:

    In order to seek the optimal strategies of reducing the influence of receiver’s bow wave in a probe and drogue refueling system, the six degrees of freedom dynamic model of hose-cone under the influence of bow wave was established. The test data was used to verify steady-state and dynamic characteristics of the model. The characteristics of the hose under the influence of the bow wave when the receiver was approaching at different speeds were studied, the results show that the drogue moved upward with obvious cycle staggering, the movement amplitude got an enlargement as the docking velocities increased. And, the “Optimal initial offset of docking (OIOD)” was proposed. All the research show that: The probe was aimed to the OIOD 7m away from the steady drogue, and then, the receiver gone forward linearly, that can minimize the influence of the bow wave on the docking. Finally, it is proposed to “adjust and approach-wait-contact”, according to the engineering calculation results.

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吕旭飞,任伟,郝毓雅,等. 空中加油最佳对接起始偏差位置[J]. 科学技术与工程, 2020, 20(14): 5837-5843.
Lü Xufei, Ren Wei, Hao Yuya, et al. Optimal Initial Offset of Docking in Aerial Refueling[J]. Science Technology and Engineering,2020,20(14):5837-5843.

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历史
  • 收稿日期:2019-08-21
  • 最后修改日期:2020-02-09
  • 录用日期:2019-11-11
  • 在线发布日期: 2020-06-11
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