Min Ma, Lang Yu, Wenru Fan. Detection of Carbon-Fiber-Reinforced Polymer Damage Based on L1/L2 Regularization Electrical Impedance Tomography Algorithm[J]. Laser & Optoelectronics Progress, 2023, 60(2): 0212001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 2, 0212001 (2023)
Fig. 1. Example of orthogonal CFRP laminate structure
Fig. 2. Simulation image reconstruction results of different damage of CFRP laminates
Fig. 3. Correlation coefficient histogram of damage reconstruction image
Fig. 4. Relative error histogram of damage reconstruction image
Fig. 5. Data acquisition platform based on digital multimeter
Fig. 6. Embedded electrode and position indication
Fig. 7. Image reconstruction results of damaged specimens under different algorithms
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Table 1. Unconstrained L1/L2 regularization algorithm
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Table 2. L1/L2-constraint regularization algorithm
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Table 3. Correlation coefficients of damaged reconstructed images with different algorithms
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Table 4. Relative error of damaged reconstructed images with different algorithms
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