Abstract
We propose a novel relative-story displacement sensor for structural health monitoring. The sensor is composed of three pairs of position sensitive detector (PSD) units and light emitting diode (LED) arrays, and is capable of measuring both the local inclination angle of the PSD unit and the relative displacement between the PSD unit and the LED array. By immobilizing the LED arrays on the ceiling and the PSD units on the floor, we can accurately measure the relative-story displacement in real time. We have verified the measurement accuracy of the developed sensor using a shaking table and a θ stage, and the accuracy was evaluated to be approximately 0.15 mm in the displacement and 0.1 mrad in the local rotation angle. The results indicate that the developed sensor is applicable to the relative-story displacement measurement for the diagnostics of an actual building.
| Original language | English |
|---|---|
| Pages (from-to) | 736-740 |
| Number of pages | 5 |
| Journal | Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A |
| Volume | 77 |
| Issue number | 777 |
| Publication status | Published - 2011 |
| Externally published | Yes |
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Keywords
- Damage Evaluation
- Local Inclination Angle
- Nondestructive Inspection
- Optical Measurement
- Position Sensitive Detector (PSD)
- Relative Story Displacement
- Structural Health Monitoring
ASJC Scopus subject areas
- Mechanical Engineering
- Mechanics of Materials
- Materials Science(all)
Cite this
A relative-story displacement sensor for structural health monitoring capable of measuring the local inclination angle and the relative displacement. / Matsuya, Iwao; Katamura, Ryuta; Sato, Maya; Kondo, Hideaki; Iba, Miroku; Kanekawa, Kiyoshi; Nitta, Yoshihiro; Tanii, Takashi; Shoji, Shuichi; Nishitani, Akira; Ohdomari, Iwao.
In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 77, No. 777, 2011, p. 736-740.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - A relative-story displacement sensor for structural health monitoring capable of measuring the local inclination angle and the relative displacement
AU - Matsuya, Iwao
AU - Katamura, Ryuta
AU - Sato, Maya
AU - Kondo, Hideaki
AU - Iba, Miroku
AU - Kanekawa, Kiyoshi
AU - Nitta, Yoshihiro
AU - Tanii, Takashi
AU - Shoji, Shuichi
AU - Nishitani, Akira
AU - Ohdomari, Iwao
PY - 2011
Y1 - 2011
N2 - We propose a novel relative-story displacement sensor for structural health monitoring. The sensor is composed of three pairs of position sensitive detector (PSD) units and light emitting diode (LED) arrays, and is capable of measuring both the local inclination angle of the PSD unit and the relative displacement between the PSD unit and the LED array. By immobilizing the LED arrays on the ceiling and the PSD units on the floor, we can accurately measure the relative-story displacement in real time. We have verified the measurement accuracy of the developed sensor using a shaking table and a θ stage, and the accuracy was evaluated to be approximately 0.15 mm in the displacement and 0.1 mrad in the local rotation angle. The results indicate that the developed sensor is applicable to the relative-story displacement measurement for the diagnostics of an actual building.
AB - We propose a novel relative-story displacement sensor for structural health monitoring. The sensor is composed of three pairs of position sensitive detector (PSD) units and light emitting diode (LED) arrays, and is capable of measuring both the local inclination angle of the PSD unit and the relative displacement between the PSD unit and the LED array. By immobilizing the LED arrays on the ceiling and the PSD units on the floor, we can accurately measure the relative-story displacement in real time. We have verified the measurement accuracy of the developed sensor using a shaking table and a θ stage, and the accuracy was evaluated to be approximately 0.15 mm in the displacement and 0.1 mrad in the local rotation angle. The results indicate that the developed sensor is applicable to the relative-story displacement measurement for the diagnostics of an actual building.
KW - Damage Evaluation
KW - Local Inclination Angle
KW - Nondestructive Inspection
KW - Optical Measurement
KW - Position Sensitive Detector (PSD)
KW - Relative Story Displacement
KW - Structural Health Monitoring
UR - http://www.scopus.com/inward/record.url?scp=84856428580&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84856428580&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:84856428580
VL - 77
SP - 736
EP - 740
JO - Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
JF - Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
SN - 0387-5008
IS - 777
ER -