考虑测试与运行差别的软件可靠性增长模型

被引:8
作者
赵靖
刘宏伟
崔刚
杨孝宗
机构
[1] 哈尔滨工业大学计算机科学与技术学院
关键词
软件可靠性增长模型; 非齐次泊松过程; 软件故障检测; 学习曲线; 拟和效果;
D O I
暂无
中图分类号
TP311.52 [];
学科分类号
081202 ; 0835 ;
摘要
软件可靠性增长模型中测试阶段和操作运行阶段环境的不同导致了两个阶段故障检测率的不同.在随机过程类非齐次泊松过程(NHPP)中的经典模型G-O模型基础上,考虑运行剖面和测试剖面的不同,对测试阶段和操作运行阶段的故障检测率进行了转化,得到了较好的刻画测试阶段和操作阶段失效率差别的模型(TO-SRGM).最后,通过实例用最小二乘法对此模型的参数进行了估计.实验结果表明,在某些失效数据集上TO-SRGM的拟和效果比G-O模型和PZ-SRGM好.
引用
收藏
页码:503 / 508
页数:6
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