Analysis on the Abnormal Ignition System in the Long-term Storaged Rocket Projectile
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摘要:为解决某火箭弹长期贮存后因点火回路失效造成火箭弹发射失败的问题，使用FMECA及FTA分析了点火回路的失效原因，提出了可疑故障点检测方法，并结合数据统计的分析结果，确定故障点为发动机中电点火头的批次性质量问题。实弹的解剖分析证明了此分析的准确性，为火箭弹的生产过程质量控制提供了依据。
Abstract:For solving the lauching failure problem of rocket projectile, which has been storaged for long-term, the failure reason of the ignition system is analyzed using FMECA and FTA, and the detection method of the doubtful fault positions is proposed. Then the batch quality problem of the electric igniter in the engine is confirmed, by referring the analytical result of data statistic. The veracity of the analytical method is proved by anatomizing and analyzing the rocket projectile. The evidence of the quality control in the production for the rocket is offered.
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