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FPGA-Based Smart Sensor for Online Displacement Measurements Using a Heterodyne Interferometer

The measurement of small displacements on the nanometric scale demands metrological systems of high accuracy and precision. In this context, interferometer-based displacement measurements have become the main tools used for traceable dimensional metrology. The different industrial applications in wh...

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Autores principales: Vera-Salas, Luis Alberto, Moreno-Tapia, Sandra Veronica, Garcia-Perez, Arturo, de Jesus Romero-Troncoso, Rene, Osornio-Rios, Roque Alfredo, Serroukh, Ibrahim, Cabal-Yepez, Eduardo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Molecular Diversity Preservation International (MDPI) 2011
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3231721/
https://www.ncbi.nlm.nih.gov/pubmed/22164040
http://dx.doi.org/10.3390/s110807710
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author Vera-Salas, Luis Alberto
Moreno-Tapia, Sandra Veronica
Garcia-Perez, Arturo
de Jesus Romero-Troncoso, Rene
Osornio-Rios, Roque Alfredo
Serroukh, Ibrahim
Cabal-Yepez, Eduardo
author_facet Vera-Salas, Luis Alberto
Moreno-Tapia, Sandra Veronica
Garcia-Perez, Arturo
de Jesus Romero-Troncoso, Rene
Osornio-Rios, Roque Alfredo
Serroukh, Ibrahim
Cabal-Yepez, Eduardo
author_sort Vera-Salas, Luis Alberto
collection PubMed
description The measurement of small displacements on the nanometric scale demands metrological systems of high accuracy and precision. In this context, interferometer-based displacement measurements have become the main tools used for traceable dimensional metrology. The different industrial applications in which small displacement measurements are employed requires the use of online measurements, high speed processes, open architecture control systems, as well as good adaptability to specific process conditions. The main contribution of this work is the development of a smart sensor for large displacement measurement based on phase measurement which achieves high accuracy and resolution, designed to be used with a commercial heterodyne interferometer. The system is based on a low-cost Field Programmable Gate Array (FPGA) allowing the integration of several functions in a single portable device. This system is optimal for high speed applications where online measurement is needed and the reconfigurability feature allows the addition of different modules for error compensation, as might be required by a specific application.
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spelling pubmed-32317212011-12-07 FPGA-Based Smart Sensor for Online Displacement Measurements Using a Heterodyne Interferometer Vera-Salas, Luis Alberto Moreno-Tapia, Sandra Veronica Garcia-Perez, Arturo de Jesus Romero-Troncoso, Rene Osornio-Rios, Roque Alfredo Serroukh, Ibrahim Cabal-Yepez, Eduardo Sensors (Basel) Article The measurement of small displacements on the nanometric scale demands metrological systems of high accuracy and precision. In this context, interferometer-based displacement measurements have become the main tools used for traceable dimensional metrology. The different industrial applications in which small displacement measurements are employed requires the use of online measurements, high speed processes, open architecture control systems, as well as good adaptability to specific process conditions. The main contribution of this work is the development of a smart sensor for large displacement measurement based on phase measurement which achieves high accuracy and resolution, designed to be used with a commercial heterodyne interferometer. The system is based on a low-cost Field Programmable Gate Array (FPGA) allowing the integration of several functions in a single portable device. This system is optimal for high speed applications where online measurement is needed and the reconfigurability feature allows the addition of different modules for error compensation, as might be required by a specific application. Molecular Diversity Preservation International (MDPI) 2011-08-05 /pmc/articles/PMC3231721/ /pubmed/22164040 http://dx.doi.org/10.3390/s110807710 Text en © 2011 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Vera-Salas, Luis Alberto
Moreno-Tapia, Sandra Veronica
Garcia-Perez, Arturo
de Jesus Romero-Troncoso, Rene
Osornio-Rios, Roque Alfredo
Serroukh, Ibrahim
Cabal-Yepez, Eduardo
FPGA-Based Smart Sensor for Online Displacement Measurements Using a Heterodyne Interferometer
title FPGA-Based Smart Sensor for Online Displacement Measurements Using a Heterodyne Interferometer
title_full FPGA-Based Smart Sensor for Online Displacement Measurements Using a Heterodyne Interferometer
title_fullStr FPGA-Based Smart Sensor for Online Displacement Measurements Using a Heterodyne Interferometer
title_full_unstemmed FPGA-Based Smart Sensor for Online Displacement Measurements Using a Heterodyne Interferometer
title_short FPGA-Based Smart Sensor for Online Displacement Measurements Using a Heterodyne Interferometer
title_sort fpga-based smart sensor for online displacement measurements using a heterodyne interferometer
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3231721/
https://www.ncbi.nlm.nih.gov/pubmed/22164040
http://dx.doi.org/10.3390/s110807710
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