JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 35 Issue 2
April 2020
Article Contents
LIU Wufei and ZHANG Xu. Fairing reconstruction algorithm of B-spline curve based on PSO[J]. Journal of Light Industry, 2020, 35(2): 83-92. doi: 10.12187/2020.02.011
Citation: LIU Wufei and ZHANG Xu. Fairing reconstruction algorithm of B-spline curve based on PSO[J]. Journal of Light Industry, 2020, 35(2): 83-92. doi: 10.12187/2020.02.011 shu

Fairing reconstruction algorithm of B-spline curve based on PSO

  • Received Date: 2019-09-22
  • In order to solve the problem that the curve reconstruction technology existing in engineering practice was difficult to consider both curve error and curve smoothness, a fairing reconstruction algorithm of B-spline curve was proposed based on particle swarm optimization (PSO).The algorithm used PSO to adjust the main and secondary control vertices which affect the curvature bad points, bad region and the main control and subcontrol points of the worst points at the same time, so as to find the optimal solution for the position of the control points.The bad points or bad region with inconsistent curvature symbols on the curve were faired first to avoid the occurrence of redundant inflection points on the curve.Then the region with sharp curvature changes were faired and the optimal curve was generated iteratively.The experimental results showed that the algorithm effectively improved the fairing efficiency, obtained better fairing effect, and could satisfy any given error accuracy, which proved its feasibility in engineering practice.
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