JIANG Yue,YAN Jie,ZHANG Lei,JIANG Mingshun,LUO Yuxiang,SUI Qingmei.Array FBG sensing and 3D reconstruction of spacecraft configuration[J].Optoelectronics Letters,2022,(4):193-199
Array FBG sensing and 3D reconstruction of spacecraft configuration
Author NameAffiliation
JIANG Yue School of Control Science and Engineering, Shandong University, Jinan 250061, China 
YAN Jie School of Control Science and Engineering, Shandong University, Jinan 250061, China 
ZHANG Lei School of Control Science and Engineering, Shandong University, Jinan 250061, China 
JIANG Mingshun School of Control Science and Engineering, Shandong University, Jinan 250061, China 
LUO Yuxiang Shandong Institute of Space Electronic Technology, Yantai 264003, China 
SUI Qingmei School of Control Science and Engineering, Shandong University, Jinan 250061, China 
Abstract:
      In this paper, a plate shape perception technique based on quasi-distributed fiber Bragg grating (FBG) array and space surface reconstruction algorithm is proposed. Firstly, in order to make curvature continuous, the bicubic plane interpolation algorithm is studied. Then, taking the simulated satellite bulkhead structure as the research object, we research the space surface reconstruction algorithm based on orthogonal curvature and coordinate transformation (translation and rotation). Finally, a four-sided fixed plate deformation monitoring system based on quasi-distributed FBG sensors network and surface reconstruction algorithm is built. Many experiments are conducted to verify the reliability and accuracy of the algorithm. The proposed algorithm provides a new method for three-dimensional reconstruction of spacecraft structure.
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