Method for monitoring maximum deformation in lifting process of large structure
A technology with maximum deformation and large structures, applied in structured data retrieval, special data processing applications, instruments, etc., can solve the problems of small allowable deformation, few application scenarios, large structure deformation, etc., to achieve simple operation, Wide adaptability and visible results
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[0023]The present invention will be described in detail below with reference to the drawings and specific embodiments.
[0024]The working principle of the present invention is: 1. Firstly, laser irradiate the surface of the structure to form an approximately circular speckle. At this time, the rows and columns of the speckle are parallel to each other, and the sizes of the speckles are similar and evenly distributed; 2. During the lifting process The positions and shapes of these speckles will change, but because the deformation of large structures is small, the rows and columns of the speckles can still be regarded as approximately parallel during the lifting process; 3. Select from each speckle A small pixel is used as an approximate replacement for the spot position; 4. Calculating the offset of these corresponding pixels can approximately replace the offset of these laser speckles, and monitor the surface deformation of the structure through the offset of the laser speckle the amo...
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