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The results demonstrate that the use of the three algorithms can result in a collision-free path being found automatically and reduce the inspection time. This study compares the performance of the three algorithms in theoretical and practical conditions.
#POINT MEASURE TOOLS FOR SCULPTING SOFTWARE#
The optimized sequence of sampling points is obtained in MATLAB R2020b software and tested on a Leitz Reference HP Bridge Type Coordinate Measuring Machine produced by HEXAGON. This study describes the optimization of an inspection path on free-form surfaces using three different algorithms: an ant colony optimization algorithm, a genetic algorithm, and a particle swarm optimization algorithm. The low efficiency of coordinate measuring machines has given rise to new inspection strategies and methods, including path optimization. However, the inspection process of a CMM is recognized as time-consuming work. The results indicate that the proposed method greatly reduced the number of measurement points without decreasing the precision of surface modeling.Ĭoordinate measuring machines (CMMs) play an important role in modern manufacturing and inspection technologies. Finally, the proposed method is compared with other two sampling methods. Subsequently, data points necessary to construct the B-spline curves are taken as the measurement points. Second, B-spline curves constructed with an iterative method are employed to approximate these section curves. First, surface inspection is simplified into the inspection of a number of section curves of the surface. In this article, a novel sampling method of measurement points for free-form surface inspection is proposed. The measurement accuracy is usually improved by increasing the density of measurement points, which is time-consuming and costly. In engineering, parts with free-form surfaces are generally measured by high-precision coordinate-measuring machines. Parts must be measured to evaluate the manufacturing accuracy in order to check whether their dimension is in expected tolerance.