Analysis of conditional MTTF of fault-tolerant systems

被引：11

作者：

Choi, H

Wang, W

Trivedi, KS

机构：

[1] Chungnam Natl Univ, Dept Comp Engn, Taejon 305764, South Korea

[2] Duke Univ, Dept Elect Engn, Durham, NC 27708 USA

来源：

MICROELECTRONICS RELIABILITY | 1998年 / 38卷 / 03期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0026-2714(97)00043-7

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Mean time to failure (MTTF) is one of the most frequently used dependability measures in practice. By convention, MTTF is the expected time for a system to reach any one of the failure states. For some systems, however. the mean time to absorb to a subset of the failure states is of interest. Therefore, the concept of conditional MTTF may well be useful. In this paper, we formalize the definition of conditional MTTF and cumulative conditional MTTF with an efficient computation method in a finite state space Markov model. Analysis of a fault-tolerant disk array system and a fault-tolerant software structure are given to illustrate application of the conditional MTTF. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.

引用

页码：393 / 401

页数：9

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