Eddy current displacement sensor array space geometry calibration method
A displacement sensor and geometric calibration technology, which is applied in the detection field, can solve the problems that there are few methods for spatial geometric calibration of eddy current displacement sensor arrays, no universality, and unsatisfactory
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[0035] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.
[0036] Figure 5 The overall flowchart for the spatial geometry calibration of the eddy current displacement sensor array. The whole calibration process includes two steps: the space geometry calibration of the XOZ projection surface of the eddy current displacement sensor array and the space geometry calibration of the YOZ projection surface of the eddy current displacement sensor array. The first step is that the probe is aligned with the plane calibration plate, and the plane calibration plate is controlled to rotate multiple times along a horizontal edge, and the rotation angle and the degree of the eddy current displacement sensor are read each time, and the two-axis directions of any two probes in the eddy current displacement sensor array are compared. To achieve spatial geometry calibration, the second step...
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