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Quantitative analysis for affecting factors of firing dispersion of multiple launch rockets system


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Quantitative analysis for affecting factors of firing dispersion of multiple launch rockets system
Tang WenbingRui XiaotingWang GuopingYang Fufeng
Institute of Launch Dynamics,NUST,Nanjing 210094,China
multiple launch rockets system firing dispersion rockets flight dynamics equations processing errors assembly errors initial disturbances
To evaluate,design and control the firing dispersion of multiple launch rockets system scientifically,the influences of random factors on firing dispersion are analyzed quantitatively.The influences of processing and assembly errors,initial disturbances and the wind on flight are considered based on the flight dynamics equations of rockets.The sensitivities of affecting factors and their coupling actions relative to impact points are abtained using the Sobol' global sensitivity analysis method.Compared with traditional error analysis methods,the sensitivities are extended to be the weights of affecting factors in meaning.The analysis results show that,along with the development of modern measurement and processing technique,initial disturbances are the major factors influencing the firing dispersion especially in small firing angles.


[1] 芮筱亭,陆毓琪,王国平,等.多管火箭发射动力学仿真与试验测试方法[M].北京:国防工业出版社,2003.
[3]Cochran J E,Gunnels R T,McCurchen R K Jr.Rocket launchers as passive controllers[R].Alabama,USA:Redstone Arsenal,1981:1-9.
Xu Mingyou.The passive control concept over rocket-launcher systems[J].Journal of Nanjing University of Science and Technology,1991,5(3):14-17.
[5]Gamble A E,Jenkins P N.Low cost guidance for the multiple launch rocket system(MLRS)artillery rocket[J].IEEE Aerospace and Electronic Systems Magazine,2001,16(1):33-39.
Wang Guoping,Rui Xiaoting,Lu Yuqi.Influence of firing orders on performance of MLRS[J].Journal of Nanjing University of Science and Technology,2004,28(4):364-368.
Rui Xiaoting,Wang Guoping,Lu Yuqi,et al.A new technology to improving firing dispersion of multiple launch rocket system[J].Acta Armamentarii,2006,27(2):301-305.
Wang Lei,Ma Dawei,Yu Cungui,et al.Firing order optimization of antiaircraft rocket launcher[J].Journal of Nanjing University of Science and Technology,2012,36(1):132-136.
Wang Zhaosheng,Liu Zhiqiang,Yang Baoyuan,et al.Research on firing accuracy influenced by each factor[J].Journal of Projectiles,Rockets,Missiles and Guidance,2005,25(S6):198-200.
[11]Sobol' I M,Levitan Y L.On the use of variance reducing multipliers in Monte Carlo computations of a global sensitivity index[J].Computer Physics Communication,1999,117(1-2):52-61.
[12]Sobol' I M.Global sensitivity indices for nonlinear mathematical models and their Monte Carlo estimates[J].Mathematics and Computers in Simulation,2001,55(1-3):271-280.
Wang Guoping,Rui Xiaoting.Rocket initial disturbance of LRMLRS[J].Journal of Nanjing University of Science and Technology,2011,35(1):62-65.
[14]展志焕,芮筱亭,王国平,等.基于多体系统传递矩阵法的多管火箭定向器振动控制[J].力学学报,2010,42(3):583-590. Zhan Zhihuan,Rui Xiaoting,Wang Guoping,et al.Vibration control for launcher of multiple launch rocket system based on transfer matrix method of multibody system[J].Chinese Journal of Theoretical and Applied Mechanics,2010,42(3):583-590.
Zhan Zhihuan,Rui Xiaoting,Rong Bao,et al.Design of vibration control of launcher for multiple launch rocket system[J].Journal of Vibration Engineering,2011,24(3):327-332.


Last Update: 2015-12-31