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| Research on Measurement Technique of the Stepped Difference and Gap Between Aircraft Skins#br# Based on Linear Structural Light |
| XU Dashuai, DU Fuzhou |
| (School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China) |
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Abstract Aiming at Dealing with the stepped difference and gap of aircraft assembling, this paper comes up with
an algorithm of the stepped difference and gap based on the structural light measuring theory from the size and position of
them. This paper completes the measurement of the stepped difference and gap of the aircraft skins with the linear structural
light vision sensor, and the pinpoint position of the measurement can be confirmed by using the indoor-GPS. As is confirmed
by experiments, the result of the algorithm is quite stable: the repeat precision of the stepped difference within 5mm
is not more than 0.04mm and the repeat precision of the gap is not more than 0.05mm.
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2017, 
