螺旋桨叶测量装置及质量评估技术研究  

Research of propeller blade measurement device and quality assessment technology

作　　者：张震 张辉[1] 鲍勃屹 李俊 ZHANG Zhen;ZHANG Hui;BAO Boyi;LI Jun(School of Mechanical Engineering,Jiangsu University of Science and Technology,Zhenjiang 212003,CHN)

机构地区：[1]江苏科技大学机械工程学院,江苏镇江212003

出　　处：《制造技术与机床》2023年第6期139-145,共7页Manufacturing Technology & Machine Tool

基　　金：江苏省研究生科研与实践创新计划项目(SJCX22_1927);镇江市科技局及其市级重点研发项目(GY2020007,GY2019003)。

摘　　要：螺旋桨叶片作为工业领域核心零件,该类工件表面形状常包含多种复杂面型,传统测量手段存在精度与时效缺陷。针对这一问题,基于螺旋桨叶自动测量装置提出一种面向多面型曲面的区域特征差异质量评估方法。首先,基于机电一体化平台搭建测量装置并设计仿真属性;其次,提出一种特征矢量驱动的区域能量聚类分割方法,划分表面测量区域解决螺旋桨叶片的多面型集中问题;然后,依据分割结果,获取局部最优测点并规划测点布局;接着,提出非线性区域精度差异层级配准方法,通过测量区域间精度差异进行数据层级配准完成位姿变换,并结合非线性计算优化效率,实现快速高效质量评估;最后通过联合仿真与实物测试验证方法的可行性。The propeller blade is a key component in industrial applications.The shape of this surface often contains multiple complex surfaces,and the traditional measurement methods have defects of accuracy and timeliness.To address this problem,a quality assessment method of regional feature difference facing multi-faceted surfaces is proposed based on an automatic propeller blade measurement device.Firstly,the measurement device is constructed and the simulation attributes are designed based on mechatronic platform.Secondly,a regional energy clustering segmentation method driven by feature vector is proposed.The problem of multi-faceted concentration on the propeller blade surface is solved by segmenting the surface measurement region.Then,the local optimal measurement points are extracted based on segmentation regions and the layout of measurement point is also planned based on segmentation regions.Then,the non-linear regional accuracy difference hierarchical alignment method is proposed.The method achieves the positional transformation by hierarchical alignment through differences in accuracy between measurement regions,and the algorithm efficiency is optimized by combining non-linear calculation to achieve fast and efficient quality assessment.Finally,the feasibility of the method is verified by joint simulation and physical test.

关 键 词：螺旋桨测量 区域分割 机电一体化 质量评估 测点规划 

分 类 号：TH124[机械工程—机械设计及理论] TH17