CPC G01B 5/14 (2013.01) [B25J 11/005 (2013.01); B25J 19/027 (2013.01); G01B 5/25 (2013.01); G01B 5/28 (2013.01); B25J 11/0055 (2013.01); G01R 1/06705 (2013.01); Y10T 29/49771 (2015.01)] | 21 Claims |
1. A method for locating a fastener under a coating, the method comprising:
attaching a probe to a sensor head such that the probe is offset from an axis of rotation of the sensor head;
mounting the sensor head to a robotic platform;
moving the sensor head to successive sensor head positions overlying the coating;
rotating the sensor head about the axis of rotation at each successive sensor head position, thereby causing the probe to revolve along a circular path;
during each revolution, using the probe to generate sensor data signals which vary in dependence on a position of the probe relative to the fastener; and
locating the fastener when variation in the sensor data signals is less than a specified threshold.
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