基于概率浮动的战术导弹载荷设计方法研究
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摘要
为了保证导弹飞行载荷设计工况的同时性和覆盖性要求,针对现有方法在这两点上不能完全满足的缺点,在使用载荷概率设计的大思路下,本文提出了基于概率浮动的导弹载荷设计工况挑选方法。采用浮动概率值,在弹道筛选工况点附近增加计算工况,弥补了由于弹道专业和载荷专业输入不一致而导致的载荷计算结果覆盖性不足的问题。通过算例分析对比,得出本文方法在过载计算值上对不同输入计算后的过载工况覆盖性超过75%,弯矩载荷计算最大值可以覆盖设计要求。
To solve the shortage of traditional method where the design load of tactical missile cannot satisfy the simultaneity and coverability, the load design of tactical missile base on the probability exchange is put forward. The calculation case for load design is increased while the method of probability exchange is used, which can fetch up the problem which is due to the different input of the trajectory calculation and the load calculation. It is found that coverability of the over loading using the method in the paper can be increased excessive 75%, and the moment load can cover with the design requirements.
To solve the shortage of traditional method where the design load of tactical missile cannot satisfy the simultaneity and coverability, the load design of tactical missile base on the probability exchange is put forward. The calculation case for load design is increased while the method of probability exchange is used, which can fetch up the problem which is due to the different input of the trajectory calculation and the load calculation. It is found that coverability of the over loading using the method in the paper can be increased excessive 75%, and the moment load can cover with the design requirements.
引文
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[10]吴谦,刘景光.民用飞机动着陆响应载荷工程计算方法[J].江苏科技信息,2017,6:41-43.[Wu Qian;Liu Jingguang.An engineering approach to calculate dynamic landing response load of civil aircraft[J].Jiangsu Science&Technology Information,2017,6:41-43.]
[2]尹云玉.固体火箭载荷设计基础[M].北京:中国宇航出版社,2007.
[3]校金友,张铎.导弹气动特性与载荷计算[J].弹箭与制导学报.2004:62-64.[XIAO Jin-you,ZHANG Duo.A target missile’s aerocharacteristcs and aerodynamic load calculation journal of projectiles[J].Rockets.Missiles and Guidance,2004:62-64.]
[4]王浩宇,王军,张涛.基于灰色模型的导弹水中段横向载荷计算[J].航天控制,2013,31(2):38-41.[WANG Haoyu,WANG Jun,ZHANG Tao.Fault-tolerant control under constrained input for flexible satellite attitude control system during orbit control[J].Aerospace Control,2013,31(2):38-41.]
[5]侯宗团,郭兆电.大型飞机垂尾飞行载荷设计[J].系统仿真技术,2014,10(3):239-244.[HOU Zongtuan,GUO Zhaodian.Vertical tail flight loads design on large aircraft[J].System Simulation Technology,2014,10(3):239-244.]
[6]顾诵芬.关于新一代飞机的设计载荷[J].飞机设计,2005,(3):1-12.[Gu Song-fen.On design loads for new-generation fighter aircraft[J].Aircraft Design,2005,(3):1-12.]
[7]张海军.导弹垂直发射动载荷分析及计算软件开发[D].硕士学位论文.南京,南京航空航天大学,2010.
[8]娄锐,折世强,黄海清.运输类飞机起落架地面操纵载荷计算[J].航空工程进展,2015,6(3):271-278.[Lou Rui,She Shiqiang,Huang Haiqing.Landing gear ground handling load calculation of transport category airplanes[J].Advances in aeronautical science and engineering,2015,6(3):271-278.]
[9]曹奇凯.战斗机机动过程与飞行载荷综合设计[J].北京航空航天大学学报,2011,37(9):1105-1109.[Cao Qikai.Synthetic design on maneuver processes and flight loads of fighters[J].Journal of Beijing University of Aeronautics and Astronautics,2011,37(9):1105-1109.]
[10]吴谦,刘景光.民用飞机动着陆响应载荷工程计算方法[J].江苏科技信息,2017,6:41-43.[Wu Qian;Liu Jingguang.An engineering approach to calculate dynamic landing response load of civil aircraft[J].Jiangsu Science&Technology Information,2017,6:41-43.]