Zhihong Liang, Kaiwen Deng, Yunlong Ma, Minghua Wang, Debo Liu, Huiqiang Wu, Yishou Wang. An Adaptive Post-Processing Algorithm for Strain Reading Anomalies in Distributed Optical Fiber Sensors[J]. Acta Optica Sinica, 2024, 44(1): 0106020
- Acta Optica Sinica
- Vol. 44, Issue 1, 0106020 (2024)
Fig. 1. Types of SRAs for DOFS. (a) Pressure vs. time; (b) normal strain response; (c) HL-SRAs; (d) HF-SRAs
Fig. 2. SRAs processing method with AGTOM
Fig. 3. Reinforced composite tank. (a) Geometric size; (b) structural shape; (c) structural surface; (d) structural interior
Fig. 4. Testing flowchart
Fig. 5. DOFS network design. (a) Design drawing of sensor network; (b) actual layout diagram
Fig. 6. Original strain results (with SRAs)
Fig. 7. Original strain results (without SRAs). (a) Strain results in length position 0-400 mm; (b) strain results at length position of 100 mm
Fig. 8. Original strain results (with SRAs). (a) Case Ⅰ HL-SRAs; (b) case Ⅱ HL-SRAs; (c) case Ⅲ HL-SRAs; (d) case IV HL-SRAs; (e) case Ⅰ HF-SRAs; (f) case Ⅱ HF-SRAs; (g) case Ⅲ HF-SRAs; (h) case Ⅳ HF-SRAs
Fig. 9. Comparison of post-processing results for different methods (HL-SRAs). (a) Case Ⅰ HL-SRAs; (b) case Ⅱ HL-SRAs; (c) case Ⅲ HL-SRAs; (d) case Ⅳ HL-SRAs
Fig. 10. Comparison of post-processing results for different methods (HF-SRAs). (a) Case Ⅰ HF-SRAs; (b) case Ⅱ HF-SRAs; (c) case Ⅲ HF-SRAs; (d) case Ⅳ HF-SRAs
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Table 1. Adaptive thresholds for different typical cases
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Table 2. PCC results for post-processed curves and strain curves without SRAs
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