Fiber Bragg Grating Strain Distribution Reconstruction Method Based on Dynamic Adaptive Particle Swarm Optimization
A particle swarm algorithm and dynamic self-adaptive technology, applied in the direction of using optical devices to transmit sensing components, using optical devices, instruments, etc., can solve the problems of limited use occasions and difficulty in applying non-monotonic strain reconstruction
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[0054] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0055] combined with figure 1 , a method for reconstructing strain distribution of FBG based on dynamic adaptive particle swarm optimization algorithm, which includes the following steps:
[0056] The first step is to construct a sensor device for measuring the strain distribution, which is used to collect the original signal of the strain distribution; the sensor device includes two fiber gratings arranged side by side; one of the fiber gratings is a uniform fiber grating; the other fiber grating The grating is a chirped fiber grating;
[0057] The second step is to install the sensor device on the measured object that needs to measure the strain;
[0058] In the third step, the detection light source is respectively injected into the two fiber gratings in the first step, and then the reflection spectrum corresponding to the two fiber gratings is obtained ...
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