基于设计公差约束的螺旋桨配准问题
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摘要
针对螺旋桨加工过程中叶面和叶背加工余量分布不均匀的问题,提出了一种公差约束条件下螺旋桨毛坯与设计曲面快速配准的方法,用以保证螺旋桨叶面和叶背加工余量均匀。在螺旋桨设计过程中,分析了半径、纵斜、轴向位置和桨叶夹角对设计曲面空间位置的影响,确定了基于设计公差变动范围的螺旋桨形貌变化约束条件。建立了约束条件下螺旋桨曲面配准数学模型,并基于模拟退火算法快速求解得到全局最优解。螺旋桨毛坯曲面与设计曲面的匹配验证结果表明,该算法能实现螺旋桨毛坯曲面和设计曲面的快速匹配。
To solve the uneven machining allowance distribution problems of propellers in machining processes,a fast registration method constrained by tolerance was proposed for propeller blank surface and design surface to keep the machining allowance of propeller distribution uniform.First,the influences of propeller radius,the longitudinal oblique,the angle between the blade and the axial position on the spatial position of the design curved surface in the design process were analyzed,and the constraints were established based on changes in the range of propeller design tolerances morphology changes.The mathematical model of the propeller surface with constraints was established,and the optimal solution was found with simulated annealing algorithm quickly.It was vivificated with the registration between propeller blank surface and design surface,and results show that the algorithm may match propeller design surface with blank surfaces quickly.
To solve the uneven machining allowance distribution problems of propellers in machining processes,a fast registration method constrained by tolerance was proposed for propeller blank surface and design surface to keep the machining allowance of propeller distribution uniform.First,the influences of propeller radius,the longitudinal oblique,the angle between the blade and the axial position on the spatial position of the design curved surface in the design process were analyzed,and the constraints were established based on changes in the range of propeller design tolerances morphology changes.The mathematical model of the propeller surface with constraints was established,and the optimal solution was found with simulated annealing algorithm quickly.It was vivificated with the registration between propeller blank surface and design surface,and results show that the algorithm may match propeller design surface with blank surfaces quickly.
引文
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[14]韩贤权,朱庆,丁雨淋,等.散乱点云数据精配准的粒子群优化算法[J].武汉大学学报(信息科学版),2014,39(10):1214-1220.HAN Xianquan,ZHU Qing,DING Yulin,et al.Precise Registration of Scattered Cloud Data Based on the Particle Swarm Optimization[J].Geomatics and Information Science of Wuhan University,2014,39(10):1214-1220.
[2]曾艳,李斌,彭芳瑜,等.面向数控加工的大型螺旋桨桨叶的余量估算问题研究[J].中国机械工程,2006,17(6):566-569.ZENG Yan,LI Bin,PENG Fangyu,et al.Research on the Estimation of the Propeller Allowance in NC Machining[J].China Mechanical Engineering,2006,17(6):566-569.
[3]YU Wensun,JIN Tingxu,DONG Mingguo,et al.A Unified Localization Approach for Machining Allowance Optimization of Complex Curved Surfaces[J].Precision Engineering,2009,33(4):516-523.
[4]刘涛,王宗义,金鸿章,等.船体分段三维数字化测量数据配准[J].哈尔滨工程大学学报,2010,31(3):345-349.LIU Tao,WANG Zongyi,JIN Hongzhang,et al.The Data Registration of 3-D Digital Measurement for Hull Blocks[J].Journal of Harbin Engineering University,2010,31(3):345-349.
[5]王威振,莫蓉,万能.叶片模型公差约束条件下的配准方法研究[J].计算机工程与应用,2013,49(10):264-266.WANG Weizhen,MO Rong,WAN Neng.Tolerance Zone Constrained Registration Method for Aeroengine Blade Models[J].Computer Engineering and Applications,2013,49(10):264-266.
[6]林源,梁舒,王生进.基于非刚性ICP的三维人脸数据配准算法[J].清华大学学报(自然科学版),2014,54(3):334-340.LIN Yuan,LIANG Shu,WANG Shengjin.3-D Faces Registration via Non-grid ICP[J].Journal of Tsinghua University(Science&Technology),2014,54(3):334-340.
[7]KIN Changmin,SON Hyojoo,KIM Changwan.Fully Automated Registration of 3D Data to a 3D CAD Model for Project Progress Monitoring[J].Automation in Construction,2013,35(14):587-594.
[8]CHUN Jiazhang,SHAO Yidu,JUAN Liu,el al.Robust 3DPoint Set Registration Using Iterative Closest Point Algorithm with Bounded Rotation Angle[J].Signal Processing,2016,120:777-788.
[9]TORABI M,MOUSAVIG S M,YOUNESIAN D.A New Methodology in Fast and Accurate Matching of the 2Dand 3DPoint Clouds Extracted by Laser Scanner Systems[J].Optics&Laser Technology,2015,66:28-34.
[10]张莹,刘敏,张定华,等.基于在线检测的叶片加工余量自适应优化方法[J].计算机技术与发展,2014,24(11):226-229.ZHANG Ying,LIU Min,ZHANG Dinghua,et al.An Adaptive Approach for Machining Allowance Balancing for Blade Based on Online Measurement[J].Computer Technology and Development,2014,24(11):226-229.
[11]李欢,张丽艳,周良明,等.面向复杂毛坯小余量加工的层次化快速约束配准算法[J].中国机械工程,2014,25(11):1524-1529.LI Huan,ZHANG Liyan,ZHOU Liangming,et al.A Hierarchical Fast Algorithm of Constrained Registration for Complex Blanks with Small Machining Allowance[J].China Mechanical Engineering,2014,25(11):1524-1529.
[12]XU Dongli,WEI Li,HONG Zhijiang,et al.Automatic Evaluation of Machining Allowance of Precision Castings Based on Plane Features from 3D Point Cloud[J].Computers in Industry,2013,64:1129-1137.
[13]潘国荣,郭巍,张鹏.一种用于工业测量设计对比的乱序点集匹配算法[J].武汉大学学报(信息科学版),2013,38(5):575-579.PAN Guorong,GUO Wei,ZHANG Peng.A Random-order Point Set Matching Algorithm for Industrial Measurement Comparative Analysis[J].Geomatics and Information Science of Wuhan University,2013,38(5):575-579.
[14]韩贤权,朱庆,丁雨淋,等.散乱点云数据精配准的粒子群优化算法[J].武汉大学学报(信息科学版),2014,39(10):1214-1220.HAN Xianquan,ZHU Qing,DING Yulin,et al.Precise Registration of Scattered Cloud Data Based on the Particle Swarm Optimization[J].Geomatics and Information Science of Wuhan University,2014,39(10):1214-1220.