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小样本理论在航空发动机研制费估算中的应用

刘芳 张海涛

刘芳, 张海涛. 小样本理论在航空发动机研制费估算中的应用[J]. 北京航空航天大学学报, 2014, 40(11): 1518-1525. doi: 10.13700/j.bh.1001-5965.2014.0340
引用本文: 刘芳, 张海涛. 小样本理论在航空发动机研制费估算中的应用[J]. 北京航空航天大学学报, 2014, 40(11): 1518-1525. doi: 10.13700/j.bh.1001-5965.2014.0340
Liu Fang, Zhang Haitao. Application of small sample theory in aero engine development costs estimation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(11): 1518-1525. doi: 10.13700/j.bh.1001-5965.2014.0340(in Chinese)
Citation: Liu Fang, Zhang Haitao. Application of small sample theory in aero engine development costs estimation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(11): 1518-1525. doi: 10.13700/j.bh.1001-5965.2014.0340(in Chinese)

小样本理论在航空发动机研制费估算中的应用

doi: 10.13700/j.bh.1001-5965.2014.0340
详细信息
    作者简介:

    刘芳(1977-),女,湖南岳阳人,高级工程师,lfyy_2004@126.com.

  • 中图分类号: V2.9

Application of small sample theory in aero engine development costs estimation

  • 摘要: 研究了小样本理论中的偏最小二乘法在航空发动机研制费估算中的适用性,系统收集了国内10余种军用涡喷/涡扇发动机的技术性能和研制费数据,选取涡轮进口温度、军用耗油率、发动机军用推力、发动机加力推力、发动机推重比、发动机净重、总增压比、空气流量、翻修寿命、原型机数量、完成时间等技术参数,将小样本理论中的偏最小二乘法应用于军用航空发动机研制费估算模型的研究,形成了基于主要性能指标的军用航空发动机研制费参数估算模型,并建立了军用航空发动机研制继承系数的概念.计算结果表明,该模型较国内其他已有模型的精度有所提高,达到了10%,可以应用于我国航空发动机研制费的快速估算.

     

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出版历程
  • 收稿日期:  2014-06-11
  • 刊出日期:  2014-11-20

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