Angle subdivision approach algorithm for conicoid profile error evaluation
Angle subdivision approach algorithm for conicoid profile error evaluation
复制标题
DOI：
10.3788/ope.20142206.1606
复制
发表时间：
2014
期刊：
影响因子：
--
通讯作者：
王宇春 Wang Yu-Chun;孙和义 Sun He-yi;唐文彦 Tang Wen-yan;姜重然 Jiang Chong-Ran;田思庆 Tian Si-Qing
中科院分区：
文献类型：
--
作者：
王宇春 Wang Yu-Chun;孙和义 Sun He-yi;唐文彦 Tang Wen-yan;姜重然 Jiang Chong-Ran;田思庆 Tian Si-Qing
A method based on angle subdivision approach algorithm and Particle Swarm Optimization(PSO)was proposed to evaluate concicoid profile error accurately in any position and orientation with the requirement of the minimal zone。Two hypotheses were proposed to realize the angle subdivision approach algorithm.According to the hypotheses,a recursion formula for more reasonable girdding was given.Then,an accurate evaluating model was established according to the definition of conicoid profile error.The angle subdivision approach algorithm was adopted to calculate the distance between measurement points and fitting quadric surface.The position between measured profile and theoretical profile was matched through fitting the general quadric surface equation.A paraboloid antenna was evaluated by the above method in an experiment,and the results were compared with those of parameter subdivision approach algorithm,SMX-Insight and Least Square Method(LSM).Experimental results indicate that the profile error is 0.659 8mm more accurate than that of other methods.The re-sults show that angle subdivision approach algorithm is more efficient in concicoid profile error evaluation and its calculation is accurate,rapid,and no need to find the division area.
