北京航空航天大学学报 ›› 2016, Vol. 42 ›› Issue (11): 2423-2435.doi: 10.13700/j.bh.1001-5965.2015.0742

• 论文 • 上一篇    下一篇

基于EHW和RBT的电路故障自修复策略性能分析

张峻宾, 蔡金燕, 孟亚峰   

  1. 军械工程学院 电子与光学工程系, 石家庄 050003
  • 收稿日期:2015-11-11 修回日期:2016-03-04 出版日期:2016-11-20 发布日期:2016-04-18
  • 通讯作者: 蔡金燕,Tel.:0311-87994289,E-mail:cjyrad@163.com E-mail:cjyrad@163.com
  • 作者简介:张峻宾,男,博士研究生。主要研究方向:电子电路故障自修复与硬件演化技术。E-mail:kmemee@163.com;蔡金燕,女,博士,教授,博士生导师。主要研究方向:检测理论、故障诊断与自修复,硬件演化技术及可靠性共性技术。Tel.:0311-87994289,E-mail:cjyrad@163.com;孟亚峰,男,博士,副教授,硕士生导师。主要研究方向:电子系统性能检测与故障诊断。E-mail:myfrad@163.com
  • 基金资助:
    国家自然科学基金(61271153,61372039)

Performance analysis of circuit fault self-repair strategy based on EHW and RBT

ZHANG Junbin, CAI Jinyan, MENG Yafeng   

  1. Department of Electronic and Optical Engineering, Ordnance Engineering College, Shijiazhuang 050003, China
  • Received:2015-11-11 Revised:2016-03-04 Online:2016-11-20 Published:2016-04-18

摘要: 在诸如深空、深海等特殊环境中的电子电路,传统的基于冗余容错技术提高电子系统可靠性的方法受到了很大程度的限制,进而基于硬件演化(EHW)的故障自修复策略开始被广泛研究。但是后者也存在一些弊端,如存在电路演化规模大、电路演化速度慢、故障修复能力有限等问题。因此,在前期工作中,提出了基于EHW和补偿平衡技术(RBT)的电路故障自修复策略。通过从故障自修复能力、故障修复速度、硬件资源消耗等角度对比分析,相比于常规的基于EHW的故障自修复策略,基于EHW和RBT的电路故障自修复策略的故障修复方法灵活、故障修复类型多,且能缩减电路演化规模、缩短电路演化时间、提高电路修复速度、硬件资源消耗可控,其可行性和有效性得到了论证,具有重要的工程应用价值。

关键词: 硬件演化(EHW), 故障自修复, 补偿平衡技术(RBT), 矫正电路(RTC), 故障在线修复

Abstract: The method of improving the reliability of the electronic systems based on redundant fault-tolerant technology is limited in aerospace, deep sea and some specific fields. Then the fault self-repair strategy based on evolvable hardware (EHW) begins to be researched. However, there are some kinds of disadvantages, such as large evolvable circuit scales, slow evolvable speed, finite ability of fault self-repair and so on, for which a novel fault self-repair strategy based on EHW and reparation balance technology (RBT) had been proposed in previous research. The contrast analysis is carried out in three aspects, which are the ability of fault self-repair, the speed of fault self-repair and the consumption of hardware resource. Compared to the conventional fault self-repair strategy based on EHW, the fault self-repair strategy based on EHW and RBT, which has flexible methods of troubleshooting, repairs many fault types, reduces the scales of evolvable circuit, decreases the evolvable time, and increases the speed of evolvable circuit. The consumption of hardware resource can be controlled. Its feasibility and validity have been demonstrated. The proposed fault self-repair strategy has important engineering application significance.

Key words: evolvable hardware (EHW), fault self-repair, reparation balance technology (RBT), rectification circuit (RTC), online fault repair

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