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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.27 No.1
- 발행연도
- 2021.1
- 수록면
- 89 - 99 (11page)
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초록· 키워드
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In this paper, a monitoring system containing a novel liquid metal-based pressure sensor and remote interactive monitoring devices are fabricated to monitor stress in geotechnical engineering. The pressure sensor with the dimension of 34 mm × 34 mm is designed and manufactured, which is mainly composed of 40CrMoV alloy steel shell, polydimethylsiloxane (PDMS) and liquid metal gallium indium alloy (EGaIn). It has the characteristics of high stability, can greatly improve the measurement range of the pressure sensor (0 to 20 MPa), and its resistance variation is from 0 mΩ to 800 mΩ. In addition, the linear regression analysis is carried out to verify the linear relationship between the resistance of sensor and the applied pressure. It is found that the performance of the pressure sensor is fine through experiments with three different loading rates and fatigue experiments. The remote interactive monitoring device can be suitable for the field monitoring environment, which is composed of monitoring stations (MS), remote communication base stations (RCBS) and indoor working platform. Finally, the monitoring system is successfully applied to the field measurements in geotechnical engineering, and the field monitoring data are in good agreement with the numerical results.
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참고문헌 (51)
참고문헌 신청
Ali, M. M. Narakathu, B. B. / 2016 / Eutectic Ga-In Liquid Metal Based Flexible Capacitive Pressure Sensor / Proceedings of the 15th IEEE Sensors Conference
Ali, S. / 2016 / Flexible Capacitive Pressure Sensor Based on PDMS Substrate and Ga-In Liquid Metal / Proceedings of the 15th IEEE Sensors Conference
E.G. Bakhoum / 2010 / Capacitive Pressure Sensor With Very Large Dynamic Range / IEEE Transactions on Components and Packaging Technologies 33(1):79~83
Ezzat G Bakhoum / 2010 / Novel Capacitive Pressure Sensor / Journal of Microelectromechanical Systems 19(3):443~450
António Barrias / 2016 / A Review of Distributed Optical Fiber Sensors for Civil Engineering Applications / Sensors 16(5):748
Ali, S. / 2016 / Flexible Capacitive Pressure Sensor Based on PDMS Substrate and Ga-In Liquid Metal / Proceedings of the 15th IEEE Sensors Conference
E.G. Bakhoum / 2010 / Capacitive Pressure Sensor With Very Large Dynamic Range / IEEE Transactions on Components and Packaging Technologies 33(1):79~83
Ezzat G Bakhoum / 2010 / Novel Capacitive Pressure Sensor / Journal of Microelectromechanical Systems 19(3):443~450
António Barrias / 2016 / A Review of Distributed Optical Fiber Sensors for Civil Engineering Applications / Sensors 16(5):748
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