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The interpolation method and feedrate adaptation control are the two most important factors to influence the quality and accuracy of manufacturing for NURBS on CNC systems. In this paper, we propose an integrated approach to solve the feedrate adaptation control NURBS interpolation problem by considering interpolation and feedrate control together with the "tail" handling. We propose a de-Boor-algorithm-based...
In this paper, by integrating the look-ahead strategy into S-shape acc/dec algorithm, we propose a novel velocity control algorithm to improve machining quality and processing efficiency in CNC systems. We first propose a path-segment linking model that can deal with both line-connect and arc-connect conditions. Based on this model, we develop a new S-shape acc/dec algorithm with look-ahead velocity...
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