Issues in structural health monitoring employing smart sensors

T. Nagayama, S. H. Sim, Y. Miyamori, B. F. Spencer

Research output: Contribution to journalArticle

Abstract

Smart sensors densely distributed over structures can provide rich information for structural monitoring using their onboard wireless communication and computational capabilities. However, issues such as time synchronization error, data loss, and dealing with large amounts of harvested data have limited the implementation of full-fledged systems. Limited network resources (e.g. battery power, storage space, bandwidth, etc.) make these issues quite challenging. This paper first investigates the effects of time synchronization error and data loss, aiming to clarify requirements on synchronization accuracy and communication reliability in SHM applications. Coordinated computing is then examined as a way to manage large amounts of data.

Original languageEnglish (US)
Pages (from-to)299-329
Number of pages31
JournalSmart Structures and Systems
Volume3
Issue number3
DOIs
StatePublished - Jul 2007

Keywords

  • Coordinated computing
  • Data aggregation
  • Data compression
  • Data loss
  • Distributed computing strategy
  • Smart sensors
  • Time synchronization

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering

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