Sum of sinusoidal plus noise model to extract component error from a double ballbar measurement error map

Research output: Contribution to journalArticle

Abstract

The double ballbar (DBB) test, which captures actual data from multiple error origins of axes interaction, was defined as sinusoid error map model plus noise. When the number of sinusoids is the same as the number of individual errors of moving axis in the test map, we can extract a single source geometric error value from the DBB error map by modeling the well-known geometric error of linear axis. We considered the "noise" as mixed errors from other sources than geometric errors. This method is applicable to both a full circle and a truncated DBB test path.

Original languageEnglish
Pages (from-to)817-827
Number of pages11
JournalTransactions of the Canadian Society for Mechanical Engineering
Volume37
Issue number3
Publication statusPublished - 1 Dec 2013

Keywords

  • Double ballbar
  • Geometric error
  • Homogenous transformation
  • Sum of sinusoids

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