Detection of structural damages by jerk-dot sensors

Akira Sone; Arata Masuda; Takashi Matsuura; Takahiko Yamamura; Makoto Yamada; Sizuo Yamamoto

doi:10.1299/kikaic.70.1318

Detection of structural damages by jerk-dot sensors

Akira Sone, Arata Masuda, Takashi Matsuura, Takahiko Yamamura, Makoto Yamada, Sizuo Yamamoto

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

Abstract

In this paper, a jerk-dot sensor, which measures the second derivative of the acceleration, is developed. Its capability of detect the local damage in structural members is investigated through lowcycle fatigue tests, which prove its significant sensitivity to the abnormal responses due to the development of macroscopic damages. Further fracture tests are carried out to obtain the correlation between the measured jerk-dot and the crack depth, which suggests that this sensor could provide an early alert before the crack grows up the fatal stage compared with AE sensor and accelerometer.

Original language	English
Pages (from-to)	1318-1323
Number of pages	6
Journal	Nippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume	70
Issue number	5
DOIs	https://doi.org/10.1299/kikaic.70.1318
Publication status	Published - 2004 May
Externally published	Yes

Keywords

Accelerometer
Acoustic emission sensor
Cantilever
Damage detection
Health monitoring
Jerk-dot-sensor
Low-cycle fatigue

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

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title = "Detection of structural damages by jerk-dot sensors",

abstract = "In this paper, a jerk-dot sensor, which measures the second derivative of the acceleration, is developed. Its capability of detect the local damage in structural members is investigated through lowcycle fatigue tests, which prove its significant sensitivity to the abnormal responses due to the development of macroscopic damages. Further fracture tests are carried out to obtain the correlation between the measured jerk-dot and the crack depth, which suggests that this sensor could provide an early alert before the crack grows up the fatal stage compared with AE sensor and accelerometer.",

keywords = "Accelerometer, Acoustic emission sensor, Cantilever, Damage detection, Health monitoring, Jerk-dot-sensor, Low-cycle fatigue",

author = "Akira Sone and Arata Masuda and Takashi Matsuura and Takahiko Yamamura and Makoto Yamada and Sizuo Yamamoto",

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AU - Sone, Akira

AU - Masuda, Arata

AU - Matsuura, Takashi

AU - Yamamura, Takahiko

AU - Yamada, Makoto

AU - Yamamoto, Sizuo

PY - 2004/5

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KW - Acoustic emission sensor

KW - Cantilever

KW - Damage detection

KW - Health monitoring

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KW - Low-cycle fatigue

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