Fiber bragg grating sensing dynamic load identification method based on AR model and mahalanobis distance
An AR model and Mahalanobis distance technology, which is applied in the field of health monitoring of smart materials and structures, and can solve problems that cannot be used in large-scale engineering fields.
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[0071] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0072] The implementation system of the dynamic load identification method of fiber grating sensing based on AR model and Mahalanobis distance is as follows: figure 1 As shown, the specific implementation scheme is as follows:
[0073] Step 1: Using a distributed fiber grating sensor to monitor the response signal of the impact load on the plate structure;
[0074] The test system is mainly divided into three parts: optical fiber sensing module, data acquisition and modulation module, and shock response data processing and identification m...
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