[1]谢亮,邓国栋,王伟斌,等.双基火药储存过程中安定剂含量的快速检测技术[J].爆破器材,2022,51(04):40-46.[doi:10.3969/j.issn.1001-8352.2022.04.007]
 XIE Liang,DENG Guodong,WANG Weibin,et al.Rapid Determination of the Content of Stabilizer in Double-Base Propellants during Storage[J].EXPLOSIVE MATERIALS,2022,51(04):40-46.[doi:10.3969/j.issn.1001-8352.2022.04.007]
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双基火药储存过程中安定剂含量的快速检测技术()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
51
期数:
2022年04
页码:
40-46
栏目:
爆炸材料
出版日期:
2022-07-08

文章信息/Info

Title:
Rapid Determination of the Content of Stabilizer in Double-Base Propellants during Storage
文章编号:
5672
作者:
谢亮邓国栋王伟斌王照轩
南京理工大学国家特种超细粉体工程技术研究中心(江苏南京,210094)
Author(s):
XIE Liang DENG Guodong WANG Weibin WANG Zhaoxuan
National Special Superfine Powder Engineering Research Center, Nanjing University of Science and Technology(Jiangsu Nanjing, 210094)
关键词:
双基火药安定剂含量近红外光谱法组分模型
Keywords:
double-base propellants stabilizer nearinfrared reflectance spectroscopy (NIRS) component model
分类号:
TJ55;TQ562
DOI:
10.3969/j.issn.1001-8352.2022.04.007
文献标志码:
A
摘要:
为解决传统检测方法耗时长、操作复杂等问题,研究了近红外光谱法快速定量检测双芳3双基火药中安定剂含量的可行性。通过分析安定剂的特征光谱区间,得到合适的建模波段。采用不同的光谱预处理方法和选取最佳主因子数优化模型,使用偏最小二乘法建立安定剂的定量校正模型,对模型进行了外部验证。结果表明:使用1 100~ 1 248 nm、1 323~ 1 515 nm波段,采用标准正态变量变化(SNV)预处理原始光谱,主因子数为7时建立的定量校正模型的预测准确性和稳定性较高。校正模型决定系数(R2C)以及交互验证的决定系数(R2CV)分别为0.991和0.987;校正标准偏差(RMSEC)和交互验证的标准偏差(RMSECV)分别为0.065和0.077。使用预测集样品对建立的最佳校正模型进行外部验证,安定剂含量预测值与参考值的平均误差为0.044%。该方法可用于双芳-3双基火药中安定剂含量的快速检测。维也里试验证明,近红外光谱法可以用于评估双芳-3双基火药安定性的好坏。
Abstract:
Given that the disadvantages of traditional detection methods such as time-consuming and complex operation, near-infrared spectroscopy (NIRS) was used to rapidly detection the stabilizer content of SF-3 double-base propellants. Appropriate modeling band was obtained by analyzing the characteristic spectral range of stabilizer. The quantitative correction model of the stabilizer was established by partial least square method after pretreatment of the optimal spectral and determination of the optimal number of principal factors. Finally, the predictability of the developed model was evaluated by external validation. Results show that using 1 100~1 248 nm and 1 323~1 515 nm bands, when the original spectra are pretreated with standard normal variable change (SNV), the quantitative correction model with a principal factor of 7 had high prediction accuracy and stability. The determination coefficient of calibration model (R2C) and the determination coefficient of cross validation (R2CV) are 0.991 and 0.987 respectively. The corrected standard deviation (RMSEC) and cross validation standard deviation (RMSECV) are 0.065 and 0.077 respectively. The average error between the predicted value and the reference value of stabilizer content is 0.044%. This method could be used for the rapid determination of stabilizer content of SF-3 double-base propellants. It can be seen from Vieille test that NIRS can be used as a method to evaluate the stability of SF-3 double-base propellants.

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备注/Memo

备注/Memo:
收稿日期:2021-11-12
第一作者:谢亮(1997-),男,硕士研究生,从事复合含能材料的制备及性能研究。E-mail:2695958489@qq.com
通信作者:邓国栋(1965-),男,副研究员,从事复合含能材料的制备及性能研究。E-mail:13505196092@163.com
更新日期/Last Update: 2022-07-06