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带微型扰流片旋转稳定弹外弹道建模与仿真
Modeling and Simulation of External Trajectory of Spin-Stabilized Projectile With Micro Spoiler

查看参考文献13篇

杨杰 1   刘丹 2   常思江 1 *  
文摘 为发展修正能力更强的有控旋转稳定弹,研究了一类带有微型扰流片控制机构的旋转稳定弹。分析了该类有控弹的控制原理,针对其动力学建模问题,考虑气动非对称,建立了带扰流片旋转稳定弹的控制力和控制力矩数学模型。根据六自由度弹道模型,仿真分析了扰流片外露高度和弹丸射角、初速及启控时间对速度、弹丸稳定性和修正能力的影响。结果表明:扰流片外露高度越高,修正能力越强,但速度降越明显,攻角振荡幅度和稳态值越大,稳定性越差;速度从亚音速向超音速变化时,修正能力先减小后增大。
其他语种文摘 In order to develop a kind of controllable spin-stabilized projectile with stronger correction ability,a kind of spin-stabilized projectile with micro spoiler control mechanism was studied. The control principle of this kind of controlled projectile was analyzed. Aiming at its dynamic modeling problem, the mathematical model of the control force and the control torque of the spin-stabilized projectile with spoiler was established by considering the aerodynamic asymmetry. According to the six degree of freedom trajectory model, the effects of the spoiler height,projectile angle, initial velocity and start-up and control time on the stability and correction ability of the projectile were analyzed. The results show that the higher the spoiler height is, the stronger the correction ability is,but the more obvious the speed drop. The larger the oscillation amplitude and stability value of the attack angle are, the earlier the start-up and control time is. When the velocity changes from subsonic to supersonic, the correction ability first decreases and then increases.
来源 弹道学报 ,2020,32(4):7-13 【核心库】
DOI 10.12115/j.issn.1004-499x(2020)04-002
关键词 旋转稳定弹 ; 微型扰流片 ; 控制 ; 弹道仿真 ; 稳定性
地址

1. 南京理工大学能源与动力工程学院, 江苏, 南京, 210094  

2. 西北工业集团有限公司设计二所, 陕西, 西安, 710043

语种 中文
文献类型 研究性论文
ISSN 1004-499X
学科 武器工业
文献收藏号 CSCD:6880965

参考文献 共 13 共1页

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引证文献 3 篇

1 杨杰 带扰流片旋转稳定弹动态稳定性 兵工学报,2021,42(8):1613-1623
CSCD被引 2 次

2 钱龙 旋转稳定弹扰流片气动外形多目标优化设计 兵工学报,2021,42(12):2575-2585
CSCD被引 2 次

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