Generation of Geometric Measurement Collision-Free Path for Curved Part

Fu Ji Wang; Zhen Yuan Jia; Ming Xing Li; Jian Wei Ma; Lei Ding

doi:10.4028/www.scientific.net/AMM.421.427

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 421Generation of Geometric Measurement Collision-Free...

Generation of Geometric Measurement Collision-Free Path for Curved Part

Abstract:

Collision between the contact probe and the measuring part will occur easily when conducting geometric measurement of the curved parts with complex surface shape. To solve the security problem of geometric measurement, a generation method of collision-free measurement path was proposed. First, collision check was simplified into the calculation of line-surface intersection. Meanwhile, we used bounding box method and triangulation method as auxiliary tools. Then, when dealing with collision avoidance, we utilized bounding box in parametric directions to avoid collisions caused by neighboring surfaces. In addition, we used parameter extreme points to avoid collisions caused by the measuring surface itself. At last, path simulation of a complex curved part verifies the security of the path generated by means of the method proposed in this paper.

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Periodical:

Applied Mechanics and Materials (Volume 421)

Pages:

427-432

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.421.427

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Online since:

September 2013

Authors:

Fu Ji Wang, Zhen Yuan Jia, Ming Xing Li, Jian Wei Ma, Lei Ding

Keywords:

Collision Avoidance, Collision Check, Collision-Free Path, Geometric Measurement

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