广西师范大学学报（自然科学版） ›› 2014, Vol. 32 ›› Issue (2): 48-54.

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基于改进G-O费用模型的软件最优发布研究

谭鸿健, 杨雅惠, 董明刚   

  1. 桂林理工大学计算机应用系,广西桂林541004
  • 收稿日期:2014-02-20 出版日期:2014-06-25 发布日期:2018-09-25
  • 通讯作者: 谭鸿健(1977-),男,广西上林人,桂林理工大学讲师。E-mail:thj@gliten.cn
  • 基金资助:
    国家自然科学基金资助项目(61203109)

Optimum Software Release Based on G-O Model and VaR Constraint

TAN Hong-jian, YANG Ya-hui, DONG Ming-gang   

  1. Department of Computer Application, Guilin University of Technology, Guilin Guangxi 541004, China
  • Received:2014-02-20 Online:2014-06-25 Published:2018-09-25

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摘要： 本文研究了基于G-O软件可靠性模型的最优软件发布时间问题,提出了结合风险价值VaR约束的软件测试费用优化模型,给出了在一定置信水平下VaR计算的解析式,通过Monte Carlo仿真实验,计算出软件最优发布时间,分析了仿真结果和参系数的灵敏度,并与经典G-O模型进行比较,结果显示VaR约束模型更加有效地估计了软件发布后多次软件失效的极端风险。

关键词: G-O软件可靠性模型, 软件最优发布, VaR风险, 最小期望费用

Abstract: The paper studies optimal software release time problem based on G-O software reliability model, and proposes a new minimum software test cost model with VaR constraint. The analytic formula of VaR based on non-homogeneous Poisson process is obtained, and the optimal release time of software is calculated by numeric experiments based on Monte Carlo simulation. The results and sensitivity coefficients are analyzed, which shows that decision variables of the model well presents the risk preference of software project manager. The comparison of classic G-O model and VaR constrain G-O model is conducted, and the resuls show the G-O model underestimats the extreme risk of multi-faults of software after release comparing with VaR constrain G-O model.

Key words: G-O software reliability model, software optimal release, VaR constraint, minimal expect cost

中图分类号: 

  • TP309
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