Research on Adaptability of a Cold Launching System of Missile to Launching Site

doi:10.3969/j.issn.1000-1093.2020.02.009

Abstract

Abstract: In order to study the adaptability of a cold launching system, the influencing factors and evaluation indexes of adaptability of cold launching system to launching site are found, and the calculation methods of vertical stiffness and wind load are derived. According to the range of influencing factors and evaluation indexes, the test sample points are generated by use of Latin hypercube design method. The angular displacement and angular velocity of sample space are obtained from dynamic response analysis of large sample simulation based on the equipment FEM model. An approximate model of missile attitude is established, and the sensitivity of missile attitude is analyzed by using the radial basis neural network method. On the basis of sensitivity analysis, a synthesis criterion considering multiple factors of adaptability is given, which provides a reference for evaluating the adaptability of launching system. It is shown through the analysis that the four-stage asphalt pavement can meet the missile launch requirements when the wind speed is not more than 2.5 m/s and the longitudinal slope of road is less than 1.2°. Key

Key words: missile, coldlaunchingsystem, adaptabilitytolaunchingsite, approximationmodel, evaluationcriterion

CLC Number:

TJ768.2⁺8

ZHANG Zhendong， MA Dawei， ZHONG Jianlin， GAO Yuan， WANG Xi. Research on Adaptability of a Cold Launching System of Missile to Launching Site[J]. Acta Armamentarii, 2020, 41(2): 280-290.

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第41卷
第2期2020 年2月兵工学报ACTA
ARMAMENTARIIVol.41No.2Feb.2020

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