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Simultaneity analysis in a wireless sensor network

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2015
3016.pdf (812.5Kb)
Authors
Malović, Miodrag
Brajović, Ljiljana
Mišković, Zoran
Šekara, Tomislav
Article (Published version)
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Abstract
An original wireless sensor network for vibration measurements was designed. Its primary purpose is modal analysis of vibrations of large structures. A number of experiments have been performed to evaluate the system, with special emphasis on the influence of different effects on simultaneity of data acquired from remote nodes, which is essential for modal analysis. One of the issues is that quartz crystal oscillators, which provide time reading on the devices, are optimized for use in the room temperature and exhibit significant frequency variations if operated outside the 20-30 degrees C range. Although much research was performed to optimize algorithms of synchronization in wireless networks, the subject of temperature fluctuations was not investigated and discussed in proportion to its significance. This paper describes methods used to evaluate data simultaneity and some algorithms suitable for its improvement in small to intermediate size ad-hoc wireless sensor networks exposed to... varying temperatures often present in on-site civil engineering measurements.

Keywords:
time / frequency / simultaneity / synchronization / temperature / wireless sensor networks
Source:
Metrology and Measurement Systems, 2015, 22, 2, 275-288
Publisher:
  • Polska Akad Nauk, Polish Acad Sciences, Warszawa
Funding / projects:
  • Research on condition assessment and improvement methods of civil engineering structures in view of their serviceability, load-bearing capacity, cost effectiveness and maintenance (RS-36048)

DOI: 10.1515/mms-2015-0022

ISSN: 0860-8229

WoS: 000355989500009

Scopus: 2-s2.0-84935085215
[ Google Scholar ]
2
2
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3019
Collections
  • Radovi istraživača (Inovacioni centar) / Researchers’ publications (Innovation Centre)
Institution/Community
Inovacioni centar
TY  - JOUR
AU  - Malović, Miodrag
AU  - Brajović, Ljiljana
AU  - Mišković, Zoran
AU  - Šekara, Tomislav
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3019
AB  - An original wireless sensor network for vibration measurements was designed. Its primary purpose is modal analysis of vibrations of large structures. A number of experiments have been performed to evaluate the system, with special emphasis on the influence of different effects on simultaneity of data acquired from remote nodes, which is essential for modal analysis. One of the issues is that quartz crystal oscillators, which provide time reading on the devices, are optimized for use in the room temperature and exhibit significant frequency variations if operated outside the 20-30 degrees C range. Although much research was performed to optimize algorithms of synchronization in wireless networks, the subject of temperature fluctuations was not investigated and discussed in proportion to its significance. This paper describes methods used to evaluate data simultaneity and some algorithms suitable for its improvement in small to intermediate size ad-hoc wireless sensor networks exposed to varying temperatures often present in on-site civil engineering measurements.
PB  - Polska Akad Nauk, Polish Acad Sciences, Warszawa
T2  - Metrology and Measurement Systems
T1  - Simultaneity analysis in a wireless sensor network
EP  - 288
IS  - 2
SP  - 275
VL  - 22
DO  - 10.1515/mms-2015-0022
UR  - conv_4739
ER  - 
@article{
author = "Malović, Miodrag and Brajović, Ljiljana and Mišković, Zoran and Šekara, Tomislav",
year = "2015",
abstract = "An original wireless sensor network for vibration measurements was designed. Its primary purpose is modal analysis of vibrations of large structures. A number of experiments have been performed to evaluate the system, with special emphasis on the influence of different effects on simultaneity of data acquired from remote nodes, which is essential for modal analysis. One of the issues is that quartz crystal oscillators, which provide time reading on the devices, are optimized for use in the room temperature and exhibit significant frequency variations if operated outside the 20-30 degrees C range. Although much research was performed to optimize algorithms of synchronization in wireless networks, the subject of temperature fluctuations was not investigated and discussed in proportion to its significance. This paper describes methods used to evaluate data simultaneity and some algorithms suitable for its improvement in small to intermediate size ad-hoc wireless sensor networks exposed to varying temperatures often present in on-site civil engineering measurements.",
publisher = "Polska Akad Nauk, Polish Acad Sciences, Warszawa",
journal = "Metrology and Measurement Systems",
title = "Simultaneity analysis in a wireless sensor network",
pages = "288-275",
number = "2",
volume = "22",
doi = "10.1515/mms-2015-0022",
url = "conv_4739"
}
Malović, M., Brajović, L., Mišković, Z.,& Šekara, T.. (2015). Simultaneity analysis in a wireless sensor network. in Metrology and Measurement Systems
Polska Akad Nauk, Polish Acad Sciences, Warszawa., 22(2), 275-288.
https://doi.org/10.1515/mms-2015-0022
conv_4739
Malović M, Brajović L, Mišković Z, Šekara T. Simultaneity analysis in a wireless sensor network. in Metrology and Measurement Systems. 2015;22(2):275-288.
doi:10.1515/mms-2015-0022
conv_4739 .
Malović, Miodrag, Brajović, Ljiljana, Mišković, Zoran, Šekara, Tomislav, "Simultaneity analysis in a wireless sensor network" in Metrology and Measurement Systems, 22, no. 2 (2015):275-288,
https://doi.org/10.1515/mms-2015-0022 .,
conv_4739 .

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