Relative-story displacement sensor for measuring five-degree-of-freedom movement of building layers

Iwao Matsuya, Ryuta Katamura, Maya Sato, Miroku Iba, Hideaki Kondo, Kiyoshi Kanekawa, Motoichi Takahashi, Tomohiko Hatada, Yoshihiro Nitta, Takashi Tanii, Shuichi Shoji, Akira Nishitani, Iwao Ohdomari

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Citation (Scopus)

    Abstract

    We have developed a novel relative-story displacement sensor capable of measuring the 5-degree-of-freedom movement of building layers for structural health monitoring. Three pairs of infrared-light emitting diode arrays and positionsensitive detector units were used for simultaneously measuring the relative-story displacement, the inclination angle of the lower layer, and the torsion angle between two adjacent layers. For verification, laboratory tests were carried out using a shaking table, a motorized micrometer and a rotation stage. In the static experiment, it is verified that the local inclination angle and the torsion angle can be measured as well as the relative-story displacement using the sensor system. The resolution of the sensor system in the displacement measurement, that in the inclination angle measurement, and that in the torsion angle measurement were evaluated to be 0.10 mm, 34.4 μrad, and 14.6 μrad, respectively. In the dynamic response experiment, the accuracy of the sensor system was experimentally evaluated to be 0.20 mm in the relative-displacement measurement, 110 μrad in the inclination angle measurement, and 90 μrad in the torsion angle measurement, respectively. These results indicate that the developed sensor system has a sufficient accuracy for the structural health diagnostics of buildings.

    Original languageEnglish
    Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
    Volume7981
    DOIs
    Publication statusPublished - 2011
    EventSensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011 - San Diego, CA
    Duration: 2011 Mar 72011 Mar 10

    Other

    OtherSensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011
    CitySan Diego, CA
    Period11/3/711/3/10

    Fingerprint

    Angle measurement
    degrees of freedom
    Torsional stress
    Degree of freedom
    Angle
    Sensor
    sensors
    Sensors
    Inclination
    Displacement measurement
    inclination
    torsion
    Torsion
    Displacement Measurement
    displacement measurement
    Structural health monitoring
    Dynamic response
    Light emitting diodes
    Experiments
    Narrative

    Keywords

    • 5-DOF measurement
    • Damage Evaluation
    • Inclination Angle
    • Position Sensitive Detector
    • PSD
    • Relative-Story Displacement
    • Story Drift
    • Structural Health Monitoring
    • Torsion Angle

    ASJC Scopus subject areas

    • Applied Mathematics
    • Computer Science Applications
    • Electrical and Electronic Engineering
    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

    Cite this

    Matsuya, I., Katamura, R., Sato, M., Iba, M., Kondo, H., Kanekawa, K., ... Ohdomari, I. (2011). Relative-story displacement sensor for measuring five-degree-of-freedom movement of building layers. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 7981). [79810C] https://doi.org/10.1117/12.871138

    Relative-story displacement sensor for measuring five-degree-of-freedom movement of building layers. / Matsuya, Iwao; Katamura, Ryuta; Sato, Maya; Iba, Miroku; Kondo, Hideaki; Kanekawa, Kiyoshi; Takahashi, Motoichi; Hatada, Tomohiko; Nitta, Yoshihiro; Tanii, Takashi; Shoji, Shuichi; Nishitani, Akira; Ohdomari, Iwao.

    Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7981 2011. 79810C.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Matsuya, I, Katamura, R, Sato, M, Iba, M, Kondo, H, Kanekawa, K, Takahashi, M, Hatada, T, Nitta, Y, Tanii, T, Shoji, S, Nishitani, A & Ohdomari, I 2011, Relative-story displacement sensor for measuring five-degree-of-freedom movement of building layers. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 7981, 79810C, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011, San Diego, CA, 11/3/7. https://doi.org/10.1117/12.871138
    Matsuya I, Katamura R, Sato M, Iba M, Kondo H, Kanekawa K et al. Relative-story displacement sensor for measuring five-degree-of-freedom movement of building layers. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7981. 2011. 79810C https://doi.org/10.1117/12.871138
    Matsuya, Iwao ; Katamura, Ryuta ; Sato, Maya ; Iba, Miroku ; Kondo, Hideaki ; Kanekawa, Kiyoshi ; Takahashi, Motoichi ; Hatada, Tomohiko ; Nitta, Yoshihiro ; Tanii, Takashi ; Shoji, Shuichi ; Nishitani, Akira ; Ohdomari, Iwao. / Relative-story displacement sensor for measuring five-degree-of-freedom movement of building layers. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7981 2011.
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