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Photonics
Volume 11
Issue 4
10.3390/photonics11040335
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Article

Strain Monitoring and Installation Adjustment of Satellite–Rocket Connection Device Based on Distributed Optical Fibers

by
Xiaoxi Qu
1,
Shiyuan Zhao
2,
Fuqiang Ma
3,
Jianle Li
1,
Hanke Li
1,
Zhengyan Yang
4,*,
Hao Xu
5,
Lei Yang
1,* and
Zhanjun Wu
5
1
State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, School of Mechanics and Aerospace Engineering, Dalian University of Technology, Dalian 116024, China
2
School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian 116024, China
3
Dalian Scientific Test & Control Technology Institute, Dalian 116013, China
4
College of Transportation Engineering, Dalian Maritime University, Dalian 116026, China
5
School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China
*
Authors to whom correspondence should be addressed.
Photonics 2024, 11(4), 335; https://doi.org/10.3390/photonics11040335
Submission received: 8 March 2024 / Revised: 28 March 2024 / Accepted: 1 April 2024 / Published: 5 April 2024
(This article belongs to the Special Issue Fiber Optic Sensors: Science and Applications)
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Abstract

In this study, a distributed optical fiber sensor was used for strain monitoring and installation adjustment of a satellite–rocket connection device under a preload. The distributed optical fiber sensor was installed on both the tape and the satellite docking frame, utilizing OFDR (Optical Frequency Domain Reflectometry) based on Backward Rayleigh scattering strain demodulation methods to precisely measure the strain distribution of both components when subjected to a preload. In order to deal with the uneven stress of the belt in the process of preloading, a finite element analysis was performed to obtain the strain distribution of the belt under preloading. The strain monitoring results of the optical fiber and strain gauge were compared, and the strain trend of the finite element simulation results was verified. Finally, the measured strain data were adopted to assist the installation and adjustment of the satellite–rocket connection device to achieve a uniform distribution of the preload. The experimental results showed that the standard deviation of strain at each position of the tape was reduced after adjustment. This study provides guidance for the installation of satellite–rocket connection devices.
Keywords: satellite–rocket connection device; strain monitoring; distributed fiber sensor; installation adjustment; preload satellite–rocket connection device; strain monitoring; distributed fiber sensor; installation adjustment; preload

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MDPI and ACS Style

Qu, X.; Zhao, S.; Ma, F.; Li, J.; Li, H.; Yang, Z.; Xu, H.; Yang, L.; Wu, Z. Strain Monitoring and Installation Adjustment of Satellite–Rocket Connection Device Based on Distributed Optical Fibers. Photonics 2024, 11, 335. https://doi.org/10.3390/photonics11040335

AMA Style

Qu X, Zhao S, Ma F, Li J, Li H, Yang Z, Xu H, Yang L, Wu Z. Strain Monitoring and Installation Adjustment of Satellite–Rocket Connection Device Based on Distributed Optical Fibers. Photonics. 2024; 11(4):335. https://doi.org/10.3390/photonics11040335

Chicago/Turabian Style

Qu, Xiaoxi, Shiyuan Zhao, Fuqiang Ma, Jianle Li, Hanke Li, Zhengyan Yang, Hao Xu, Lei Yang, and Zhanjun Wu. 2024. "Strain Monitoring and Installation Adjustment of Satellite–Rocket Connection Device Based on Distributed Optical Fibers" Photonics 11, no. 4: 335. https://doi.org/10.3390/photonics11040335

APA Style

Qu, X., Zhao, S., Ma, F., Li, J., Li, H., Yang, Z., Xu, H., Yang, L., & Wu, Z. (2024). Strain Monitoring and Installation Adjustment of Satellite–Rocket Connection Device Based on Distributed Optical Fibers. Photonics, 11(4), 335. https://doi.org/10.3390/photonics11040335

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