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Diagnostic Powertracing for Sensor Node Failure Analysis

机译:诊断功率追踪,用于传感器节点故障分析

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摘要

Troubleshooting unresponsive sensor nodes is a significant challenge in remote sensor network deployments. This paper introduces the tele-diagnostic powertracer, an in-situ troubleshooting tool that uses external power measurements to determine the internal health condition of an unresponsive host and the most likely cause of its failure. We developed our own low-cost power meter with low-bandwidth radio to report power measurements and findings, hence allowing remote (i.e., tele-) diagnosis. The tool was deployed and tested in a remote solar-powered sensing network for acoustic and visual environmental monitoring. It was shown to successfully distinguish between several categories of failures that cause unresponsive behavior including energy depletion, antenna damage, radio disconnection, system crashes, and anomalous reboots. It was also able to determine the internal health conditions of an unresponsive node, such as the presence or absence of sensing and data storage activities (for each of multiple sensors). The paper explores the feasibility of building such a remote diagnostic tool from the standpoint of economy, scale and diagnostic accuracy. To the authors' knowledge, this is the first paper that presents a remote diagnostic tool that uses power measurements to diagnose sensor system failures.
机译:对无响应的传感器节点进行故障排除是远程传感器网络部署中的重大挑战。本文介绍了远程诊断powertracer,这是一种现场故障排除工具,它使用外部功率测量来确定无响应主机的内部健康状况以及最有可能导致其故障的原因。我们开发了自己的带有低带宽无线电的低成本功率计,以报告功率测量结果和发现,从而可以进行远程(即远程)诊断。该工具已在用于声音和视觉环境监测的远程太阳能感应网络中进行了部署和测试。它可以成功地区分出导致无响应行为的几类故障,包括能量消耗,天线损坏,无线电断开,系统崩溃和异常重启。它还能够确定无响应节点的内部运行状况,例如(对于多个传感器中的每一个)是否存在传感和数据存储活动。本文从经济性,规模和诊断准确性的角度探讨了构建这种远程诊断工具的可行性。据作者所知,这是第一篇介绍远程诊断工具的论文,该工具使用功率测量来诊断传感器系统故障。

著录项

  • 来源
  • 会议地点 Stockholm(SE);Stockholm(SE)
  • 作者单位

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

    Department of Computer Science University of Illinois, Urbana-Champaign 201 N. Goodwin Ave, USA;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 信息处理(信息加工);
  • 关键词

    energy; sensor networks; troubleshooting;

    机译:能源;传感器网络;故障排除;

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