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IJAT Vol.8 No.1 pp. 43-48
doi: 10.20965/ijat.2014.p0043
(2014)

Paper:

Generalized Two-Point Method Using Inverse Filtering for Surface Profile Measurement – Theoretical Analysis and Experimental Results for Error Propagation –

Eiki Okuyama and Hiromi Ishikawa

Akita University, Akita 010-8502, Japan

Received:
August 1, 2013
Accepted:
November 1, 2013
Published:
January 5, 2014
Keywords:
surface profile measurement, straightness, generalized two-point method, error propagation, software datum
Abstract

Error separation techniques of the surface profile from parasitic motions have been developed for the straightness profile measurement of a mechanical workpiece. These are known as software datums, which separate the surface profile from the parasitic motions by using multiple sensors and/or multiple orientations. The authors proposed a generalized twopoint method that used the difference with either integration or inverse filtering. This method can take any sampling interval. In this article, the relationship between the ratio of the sensor distance to the sampling interval and the error propagation at the lowest spatial frequency is clarified. Furthermore, experimental results are described to support the theoretical analysis of the error propagation.

Cite this article as:
E. Okuyama and H. Ishikawa, “Generalized Two-Point Method Using Inverse Filtering for Surface Profile Measurement – Theoretical Analysis and Experimental Results for Error Propagation –,” Int. J. Automation Technol., Vol.8, No.1, pp. 43-48, 2014.
Data files:
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Last updated on Nov. 08, 2019