Increasing Safety and Reliability of Roll-back and Roll-forward Lockstep Technique for Use in Real-time Systems

被引：1

作者：

Arm, J. ^{[1
]}

Bradac, Z. ^{[1
]}

Stohl, R. ^{[1
]}

机构：

[1] Brno Univ Technol, Fac Elect Engn & Commun, Dept Control & Instrumentat, Brno, Czech Republic

来源：

IFAC PAPERSONLINE | 2016年 / 49卷 / 25期

关键词：

Fault-tolerant; lockstep; fault detection; fault masking; roll-back; roll-forward; ESU; reliability; safety; embedded; real-time; RTOS; MITIGATION;

D O I：

10.1016/j.ifacol.2016.12.083

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This work focuses on the roll-back and roll-forward lockstep architecture that, are techniques to detect faults like SEU, voltage dips or another impacting to system misbehaviour. These techniques are explored using FMEA analysis and on its basis, snore propose is presented that improves reliability and safety of each technique. In this ease, availability is lowered as a trade of higher reliability and safety. These techniques are also explored from the point of view using in real-time systems. On this basis, some recommendations of appropriate checkpointing in lockstep roll-back technique is presented. (C) 2016, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.

引用

页码：413 / 418

页数：6

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