Research on microstrain loading device and strain detection method based on SWCNT strain sensor

Huajun He; Fuzhong Zheng; Jie Zhang; Shaohua Sun; Zhichao Tang; Qiang Cao

doi:10.1117/12.3014917

4 March 2024 Research on microstrain loading device and strain detection method based on SWCNT strain sensor

Huajun He, Fuzhong Zheng, Jie Zhang, Shaohua Sun, Zhichao Tang, Qiang Cao

Proceedings Volume 12981, Ninth International Symposium on Sensors, Mechatronics, and Automation System (ISSMAS 2023); 1298117 (2024) https://doi.org/10.1117/12.3014917
Event: 9th International Symposium on Sensors, Mechatronics, and Automation (ISSMAS 2023), 2023, Nanjing, China

Abstract

Monitoring the microstrain on the surface of equipment is of great significance for its health monitoring and daily maintenance. A microstrain detection method is researched in this article based on the photoluminescence characteristics of SWCNT materials. The detection of microstrain can be achieved by using the SWCNT strain sensing film pasted on the surface of the tested equipment. A standard strain gauge can also be pasted on the back of the corresponding position where the SWCNT strain sensing film is pasted to check the detection accuracy of the SWCNT strain sensing film. A microstrain loading device is designed in this paper. Then, a simulation study on the stress distribution of components with different shapes and sizes is conducted. Simulation results indicate that the geometric shape of the tested component has a significant impact on the stress distribution.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Huajun He, Fuzhong Zheng, Jie Zhang, Shaohua Sun, Zhichao Tang, and Qiang Cao "Research on microstrain loading device and strain detection method based on SWCNT strain sensor", Proc. SPIE 12981, Ninth International Symposium on Sensors, Mechatronics, and Automation System (ISSMAS 2023), 1298117 (4 March 2024); https://doi.org/10.1117/12.3014917

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KEYWORDS

Sensors

Signal processing

Design and modelling

Humidity

Photoluminescence

Safety equipment

Analog to digital converters

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