• CN:11-2187/TH
  • ISSN:0577-6686

›› 1990, Vol. 26 ›› Issue (1): 48-53.

• 论文 • 上一篇    下一篇

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曲面三维形貌测量的研究

张鄂;娄华洲   

  1. 上海交通大学
  • 发布日期:1990-01-01

RESEARCH OF METHOD FOR THREE-DIMENSIONAL TOPOGRAPHY MEASUREMENT ON CURVED SURFACES

Zhang E;Lou Huazhou   

  1. Shanghai Jiaotong University
  • Published:1990-01-01

摘要: 本文介绍了一种用于曲面形貌测量的计算机辅助方法,其实质在于以平面作为测量基准,采用数据处理方法(最小二乘拟合法和数字滤波法)去除曲面形状部分的影响。试验表明,这是获得图象信息和数据分析评定的良好方法。给出了钢球测量的实例并讨论了这种方法的适用范围。

关键词: 表面粗糙度测量, 三维形貌, 车下设备, 高速动车组, 格林函数, 模态试验分析, 频率跳变

Abstract: In this paper a computer-nixed method of measurement for curved surfaces is described, using a plane datum and LSM (Least Square Method) or DFM (Digital Filter Method) to filter the curve form. It is shown that this is a good method to obtain a full visual image of topographical detail and also quantitative information for assessment and analysis. An example for measuring bearing ball is presented.

Key words: 表面粗糙度测量, 三维形貌, experimental modal analysis, frequency- hopping, Green's functions, underframe equipment, high-speed EMU trains