FBG-based vibration sensor using gravity effects for large infrastructures

Hiroki Kazama; Akira Mita

doi:10.2208/jsceseee.22.159s

FBG-based vibration sensor using gravity effects for large infrastructures

Hiroki Kazama, Akira Mita

Department of System Design Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

A simple mechanism for a vibration sensor based on fiber Bragg grating (FBG) is proposed. The mechanism utilizes the gravity force to allow the maximum sensitivity of the sensor into vertical direction while the minimum sensitivity for other two transverse directions. The sensor consists of a FBG cable and several masses to form a vibration system. The cable is extended to introduce a certain tensile force and acts as a spring. The sensitivity of the sensor is more than 1 μstrain/gal for vertical direction. This simple sensor has been developed for damage detection of large structures. Several prototypes were fabricated. And extensive shaking table tests were conducted to examine the performance.

Original language	English
Pages (from-to)	159s-166s
Journal	Structural Engineering/Earthquake Engineering
Volume	22
Issue number	2
DOIs	https://doi.org/10.2208/jsceseee.22.159s
Publication status	Published - 2005

Keywords

FBG accelerometer
Smart infrastructure
Vibration sensor

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
Arts and Humanities (miscellaneous)
Geotechnical Engineering and Engineering Geology

Access to Document

10.2208/jsceseee.22.159s

Cite this

@article{25839700dd534301b1c6fdfe7e1f1b81,

title = "FBG-based vibration sensor using gravity effects for large infrastructures",

abstract = "A simple mechanism for a vibration sensor based on fiber Bragg grating (FBG) is proposed. The mechanism utilizes the gravity force to allow the maximum sensitivity of the sensor into vertical direction while the minimum sensitivity for other two transverse directions. The sensor consists of a FBG cable and several masses to form a vibration system. The cable is extended to introduce a certain tensile force and acts as a spring. The sensitivity of the sensor is more than 1 μstrain/gal for vertical direction. This simple sensor has been developed for damage detection of large structures. Several prototypes were fabricated. And extensive shaking table tests were conducted to examine the performance.",

keywords = "FBG accelerometer, Smart infrastructure, Vibration sensor",

author = "Hiroki Kazama and Akira Mita",

year = "2005",

doi = "10.2208/jsceseee.22.159s",

language = "English",

volume = "22",

pages = "159s--166s",

journal = "Structural Engineering/Earthquake Engineering",

issn = "0289-8063",

publisher = "Japan Society of Civil Engineers",

number = "2",

}

TY - JOUR

T1 - FBG-based vibration sensor using gravity effects for large infrastructures

AU - Kazama, Hiroki

AU - Mita, Akira

PY - 2005

Y1 - 2005

N2 - A simple mechanism for a vibration sensor based on fiber Bragg grating (FBG) is proposed. The mechanism utilizes the gravity force to allow the maximum sensitivity of the sensor into vertical direction while the minimum sensitivity for other two transverse directions. The sensor consists of a FBG cable and several masses to form a vibration system. The cable is extended to introduce a certain tensile force and acts as a spring. The sensitivity of the sensor is more than 1 μstrain/gal for vertical direction. This simple sensor has been developed for damage detection of large structures. Several prototypes were fabricated. And extensive shaking table tests were conducted to examine the performance.

AB - A simple mechanism for a vibration sensor based on fiber Bragg grating (FBG) is proposed. The mechanism utilizes the gravity force to allow the maximum sensitivity of the sensor into vertical direction while the minimum sensitivity for other two transverse directions. The sensor consists of a FBG cable and several masses to form a vibration system. The cable is extended to introduce a certain tensile force and acts as a spring. The sensitivity of the sensor is more than 1 μstrain/gal for vertical direction. This simple sensor has been developed for damage detection of large structures. Several prototypes were fabricated. And extensive shaking table tests were conducted to examine the performance.

KW - FBG accelerometer

KW - Smart infrastructure

KW - Vibration sensor

UR - http://www.scopus.com/inward/record.url?scp=31444439297&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=31444439297&partnerID=8YFLogxK

U2 - 10.2208/jsceseee.22.159s

DO - 10.2208/jsceseee.22.159s

M3 - Article

AN - SCOPUS:31444439297

SN - 0289-8063

VL - 22

SP - 159s-166s

JO - Structural Engineering/Earthquake Engineering

JF - Structural Engineering/Earthquake Engineering

IS - 2

ER -

FBG-based vibration sensor using gravity effects for large infrastructures

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this