Accuracy assessment of an industrial actuator

Giuseppe Dalla Costa, Gianfranco Genta, Giulio Barbato, Leonardo De Chiffre, Hans Nørgaard Hansen

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Abstract

A commercial linear actuator equipped with a 0.1 μm resolution encoder was used as a contact displacement sensor with adjustable force. The accuracy of the position reading of the actuator was evaluated from experimental data taking into account the uncertainty contributions. The tests consisted of length measurements of grade 0 steel gauge blocks. Measurements with different values of contact force were performed to assess its influence. A statistical analysis of the experimental data was performed to support the accuracy assessment. Systematic effects were identified and corrected. An expanded uncertainty (k=2) lower than 1 μm was estimated.
Original languageEnglish
JournalProcedia C I R P
Volume62
Pages (from-to)417-422
Number of pages6
ISSN2212-8271
DOIs
Publication statusPublished - 2016
Event10th CIRP Conference on Intelligent Computation in Manufacturing Engineering (CIRP ICME '16) - Ischia, Italy
Duration: 20 Jul 201622 Jul 2016

Conference

Conference10th CIRP Conference on Intelligent Computation in Manufacturing Engineering (CIRP ICME '16)
CountryItaly
CityIschia
Period20/07/201622/07/2016

Keywords

  • Actuator
  • Accuracy
  • Uncertainty

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