摘要
面向临近空间高超声速飞行器(Near SpaceHypersonic Vehicle,NSHV),参考"乘波体"X-51A的飞行试验数据,以飞行器飞行轨迹数学模型为依据,建立了针对X-51A的飞行轨迹数学模型,仿真出了三种适用于NSHV的飞行轨迹,包括常值稳态式、非周期性滑跃式和周期性跳跃式,并对这三种飞行轨迹进行了分析比较,结果显示常值稳态式飞行能够保持在预定高度稳态飞行,非周期性滑跃式和周期性跳跃式飞行更加节省燃料,能够飞行更远距离。周期性跳跃式飞行还适用于某些特殊领域。仿真结果验证了所建模型的正确性和有效性,为有效跟踪NSHV目标提供了参考。
The paper focused on the Near Space Hypersonic Vehicle （NSHV） aspect. Based on the mathematical model and experimental data in the previous ＂Waverider＂ X-51A flight test in America, the paper built several flight trajectory models for X-51A target. Three applicable forms of trajectory model can be concluded from the simulation results, including constant steady-state cruise, non-periodic ski-jump and periodic leaps. The paper analysed the three forms and made some comparisons where relevant. The simulation results show that constant steady-state flight can maintain predetermined altitude stationary flight, non-cyclical ski-jump and periodically leaping can fly more fu- el-efficient, and is able to fly longer distances. Periodic leaps flight also applies to some special fields. The simula- tion results verify the correctness and the effectiveness of the model, providing reference and guidance to how to effec- tively track NSHV target.
出处
《计算机仿真》
CSCD
北大核心
2016年第3期41-46,共6页
Computer Simulation
基金
国家自然科学基金项目(51467013)
江西省科技支撑计划项目(20123BBE50077)
