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一种考虑非故障停止的软件可靠性模型
A Model of Software Reliability Considering Non-failure Stops
【摘要】 经典的随机时间软件可靠性模型均是建立在连续失效间隔时间的基础上,忽略了非失效停止时间。文中根据最大信息原则,即尽可能大地利用可用信息的原则。将非失效停止时间考虑在建模的过程中并且引进或修改一些假设使条件更加符合实际情况,根据修改后的假设对原始的S-W模型进行重新建模,并对新建模型的预测结果通过仿真进行分析。
【Abstract】 The classical random-time software reliability models are based on successive inter-failure times,and they disregard the non-failure stop times. In this paper,according to the Maximum Information Principle we exploit available information as much as possible,so as to account for the non-failure stops and introduce or modify some presumptions which make the conditions more approach the practical case. Then the existing S-W model is rebuilt according to the modified presumptions and the result of emulation for the new model is analyzed.
【关键词】 软件可靠性;
S-W模型;
非故障停止时间;
连续间隔停止时间;
【Key words】 software reliability; S-W model; non-failure stop time; successive inter-stop times;
【Key words】 software reliability; S-W model; non-failure stop time; successive inter-stop times;
- 【文献出处】 信息化研究 ,Informatization Research , 编辑部邮箱 ,2009年08期
- 【分类号】TP311.52
- 【下载频次】45