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Acta Armamentarii ›› 2017, Vol. 38 ›› Issue (5): 986-994.doi: 10.3969/j.issn.1000-1093.2017.05.019

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Analysis of Influencing Factors on Reliability of Varable Depth Submarine-launched System Based on Multivariate StepwiseRegression

HU Song-wei   

  1. (Unit 91550 of PLA, Dalian 116023, Liaoning, China)
  • Received:2016-08-24 Revised:2016-08-24 Online:2017-07-03

Abstract: Reliability of underwater varable depth launching system is affected by various influencing factors. The weight and offsetting of projectile are studied by multivariate stepwise regression analysis method, and the second-order algorithm of the models is established. Design deviation, charge performance deviation and environmental factos are taken into account. The relativity analysis for each factor is carried out based on the live firing performance test information of a certain type submarine-launched missile. The effects of the influencing factors, correlation coefficients of each factor and best regression subset are discussed. The results of the regression analysis accords well with the live firing phenomena. Based on this method, the experimental results indicate that the estamated error standard deviation of functional reliability parameter is improved. Multiple stepwise regression method improves the estimation precision. It is feasible and effective to analyze the influencing factors. Key

Key words: ordnancescienceandtechnology, changeble-depthlaunch, performancereliability, influencingfactor, multiplestepwiseregressionanalysis

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