Fast fourier transform detection and reduction of high-frequency errors from the results of surface topography profile measurements of honed textures

被引：0
作者：
Podulka P. [1 ]
机构：
[1] Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, ul. Powstancow Warszawy 8, Rzeszów
来源：
Eksploatacja i Niezawodnosc | 2021年 / 23卷 / 01期
关键词：
Cylinder liner; Dimple; Measurement; Measurement errors; Measurement noise; Oil pocket; Surface topography; Texture features; Valley;
D O I：
10.17531/EIN.2021.1.9
中图分类号：
学科分类号：
摘要：
In this paper, various type of noise detection procedures with surface topography profile analysis were proposed, compared (studied) and suggested. The honed cylinder liner surface textures with additionally burnished oil pockets were measured with a stylus or optical ap-proaches. Measurement errors, defined as high-frequency measurement noise, were taken into sufficient consideration. It was proposed to select the noise detection methods more with profile (2D) than areal (3D) assessments; some-frequency noise was much easier to observe in profile than surface analysis. Moreover, applications of various type of regular filtration methods, mostly based on Gaussian functions, were compared with Fast Fourier Transform filtration for detection or reduction of some (high) frequency-defined measurement errors. © 2021, Polish Academy of Sciences Branch Lublin. All rights reserved.
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页码：84 / 93
页数：9
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