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1)  failure checking cover ratio
故障检测覆盖率
1.
This paper analyzes the work mode of computer based interlocking system with single computer and dual computers, establishes corresponding failure safe model, and analyzes the influence of failure checking cover ratio to the reliability and security of dual computers system.
分析了单机和双机热备计算机联锁系统的工作模式,建立了相应的故障安全模型并分析了故障检测覆盖率对双机热备计算机联锁系统的可靠性与安全性的影响。
2)  fault coverage
故障覆盖率
1.
Many software reliability growth models (SRGM) based on fault coverage only consider accumulative fault coverage ignoring that gained by every test case.
现有的基于故障覆盖率的软件可靠性增长模型多是只考虑了累计故障覆盖率 ,没有描述每个测试用例能够获得的故障覆盖率 。
2.
The design has the following characteristics:① The test length can be changed to get the desired fault coverage of any kind of fault models; ② The correct response is not necessary to be stored; ③ A single response bit always indicates whether there is.
设计出的电路可针对具体的故障模型设置相应的测试长度,从而获得预期的故障覆盖率。
3.
The result of fault coverage is presented.
对不同的设计方案给出了相应的故障覆盖率,并对生成的模板进行压缩优化,减少了测试仿真时间。
3)  high fault coverage
高故障覆盖率
4)  fault detection rate
故障检测率
1.
By diagnosing intermittent fault, BIT with the method is better than that of two-state method in reducing false alarm rate as well as increasing fault detection rate.
与传统两状态方法相比,基于三状态方法的BIT通过诊断间歇故障,不仅有效地抑制间歇故障引起的虚警,而且还能提高故障检测率。
2.
Among various SRGMs, two most important factors which affect the accuracy of reliability evaluation and prediction are the number of initial faults and the fault detection rate (FDR).
影响软件可靠性增长模型评估和预测准确性的最重要的两个因素是软件中隐藏的初始故障数和故障检测率。
3.
A general NHPP model is proposed, which considers imperfect software debugging, time-dependent fault detection rate, and time-dependent fault removal efficiency.
NHPP类软件可靠性增长模型已经成为软件可靠性工程实践中非常成功的工具,从某些模型的一些共同特征出发,研究了NHPP类软件可靠性增长模型的有限通用框架,提出了一个既考虑软件测试的不完美性、故障检测率随时间的变化,又考虑了故障改正效率随时间变化的NHPP类软件可靠性增长模型框架。
5)  FDR
故障检测率
1.
How to reduce FAR without reducing FDR is a difficult problem that needs to solve.
BIT虚警率高阻碍了BIT效能的充分发挥和更广泛、更深入的应用,如何在故障检测率一定的条件下,降低虚警率将成为一个亟待解决的问题。
6)  fault detection rate(FDR)
故障检测率(FDR)
补充资料:故障检测
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性质:对故障诊断中所需的各种信号进行检测的过程。是一门应用型的边缘学科,它的理论基础是现代控制理论、计算机工程、数理统计、信号处理、模式识别、人工智能以及相应的应用学科。主要方法分基于系统动态模型的方法和不依赖于动态模型的方法。其中后者又分为:(1)直接测量系统的输入输出;(2)基于因果关系的信号处理方法;(3)基于专家系统的方法;(4)基于故障树的诊断方法;(5)基于模式识别的诊断方法;(6)基于模糊数学的诊断方法;(7)基于人工神经元网络的方法。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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