Next Generation Wireless Smart Sensors Toward Sustainable Civil Infrastructure

B F Spencer, J. W. Park, K. A. Mechitov, H. Jo, Gul A Agha

Research output: Contribution to journalConference article

Abstract

This paper presents the recent development of a next-generation wireless smart sensor (WSS) platform to enable a more accurate, inexpensive, and greatly simplified method of instrumenting structures for structural health monitoring. The modular hardware platform features a 24-bit high-precision, analog-to-digital converter with eight differential channels of analog input, and programmable antialiasing filters. The node can measure: (i) three-axes of acceleration for global response monitoring (ii) strain for local response monitoring, (iii) temperature, and (iv) high-level voltage signals from external sensors, providing the multi-scale sensed information needed for advanced structural health monitoring (SHM). Communication with a power-optimized ZigBee radio can be achieved at distances of up to 1 km. An extensible, actor-based software framework facilitates the creation of distributed SHM applications. The framework employs a service-oriented architecture (SOA) approach and provides a suite of modular, reusable, and extensible middleware services suitable for WSS applications. This platform addresses critical SHM needs, enabling tightly synchronized sensing, addressing data loss, and efficiently implementing the demanding numerical algorithms required for system identification and damage detection on sensor nodes with limited resources.

Original languageEnglish (US)
Pages (from-to)5-13
Number of pages9
JournalProcedia Engineering
Volume171
DOIs
StatePublished - Jan 1 2017
Event3rd International Conference on Sustainable Civil Engineering Structures and Construction Materials, SCESCM 2016 - Bali, Indonesia
Duration: Sep 5 2016Sep 7 2016

Fingerprint

Smart sensors
Structural health monitoring
Zigbee
Monitoring
Damage detection
Digital to analog conversion
Service oriented architecture (SOA)
Middleware
Sensor nodes
Identification (control systems)
Hardware
Communication
Sensors
Electric potential
Temperature

Keywords

  • smart sensor
  • structural health monitoring
  • wireless sensor
  • xnode

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Next Generation Wireless Smart Sensors Toward Sustainable Civil Infrastructure. / Spencer, B F; Park, J. W.; Mechitov, K. A.; Jo, H.; Agha, Gul A.

In: Procedia Engineering, Vol. 171, 01.01.2017, p. 5-13.

Research output: Contribution to journalConference article

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