Design of an adaptive soft calibration circuit for LVDT

K. V. Santhosh, Akanksha

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

This paper presents a soft calibration technique for displacement measurement using Linear Variable Differential Transducer (LVDT). The objective of the proposed work is to design a circuit, which will calibrate automatically the output of LVDT based on the range set by the user. The output of LVDT is drawn from both the secondary coils, and is acquired on to the system through the DAQ card (NIElvis). The acquired AC signal is first converted to pure DC by the help of rectifiers and filters. The two secondary coil signals which have been obtained from filters are passed through comparators circuits. The gain of filters and comparator circuits are controlled based on the user choice of range. The circuit once design is tested using practical setup, proposed setup produced accurate results and avoided repeated calibration which otherwise would be needed whenever the range of measurement was changed.

Original languageEnglish
Title of host publicationInternational Conference on Electrical, Electronics, Communication Computer Technologies and Optimization Techniques, ICEECCOT 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages524-528
Number of pages5
Volume2018-January
ISBN (Electronic)9781538623619
DOIs
Publication statusPublished - 07-02-2018
Event2017 International Conference on Electrical, Electronics, Communication Computer Technologies and Optimization Techniques, ICEECCOT 2017 - Mysuru, India
Duration: 15-12-201716-12-2017

Conference

Conference2017 International Conference on Electrical, Electronics, Communication Computer Technologies and Optimization Techniques, ICEECCOT 2017
CountryIndia
CityMysuru
Period15-12-1716-12-17

Fingerprint

comparator circuits
Comparator circuits
Transducers
transducers
Calibration
filters
Networks (circuits)
coils
Displacement measurement
displacement measurement
rectifiers
output
cards
alternating current
direct current

All Science Journal Classification (ASJC) codes

  • Radiation
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Santhosh, K. V., & Akanksha (2018). Design of an adaptive soft calibration circuit for LVDT. In International Conference on Electrical, Electronics, Communication Computer Technologies and Optimization Techniques, ICEECCOT 2017 (Vol. 2018-January, pp. 524-528). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICEECCOT.2017.8284561
Santhosh, K. V. ; Akanksha. / Design of an adaptive soft calibration circuit for LVDT. International Conference on Electrical, Electronics, Communication Computer Technologies and Optimization Techniques, ICEECCOT 2017. Vol. 2018-January Institute of Electrical and Electronics Engineers Inc., 2018. pp. 524-528
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Santhosh, KV & Akanksha 2018, Design of an adaptive soft calibration circuit for LVDT. in International Conference on Electrical, Electronics, Communication Computer Technologies and Optimization Techniques, ICEECCOT 2017. vol. 2018-January, Institute of Electrical and Electronics Engineers Inc., pp. 524-528, 2017 International Conference on Electrical, Electronics, Communication Computer Technologies and Optimization Techniques, ICEECCOT 2017, Mysuru, India, 15-12-17. https://doi.org/10.1109/ICEECCOT.2017.8284561

Design of an adaptive soft calibration circuit for LVDT. / Santhosh, K. V.; Akanksha.

International Conference on Electrical, Electronics, Communication Computer Technologies and Optimization Techniques, ICEECCOT 2017. Vol. 2018-January Institute of Electrical and Electronics Engineers Inc., 2018. p. 524-528.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - This paper presents a soft calibration technique for displacement measurement using Linear Variable Differential Transducer (LVDT). The objective of the proposed work is to design a circuit, which will calibrate automatically the output of LVDT based on the range set by the user. The output of LVDT is drawn from both the secondary coils, and is acquired on to the system through the DAQ card (NIElvis). The acquired AC signal is first converted to pure DC by the help of rectifiers and filters. The two secondary coil signals which have been obtained from filters are passed through comparators circuits. The gain of filters and comparator circuits are controlled based on the user choice of range. The circuit once design is tested using practical setup, proposed setup produced accurate results and avoided repeated calibration which otherwise would be needed whenever the range of measurement was changed.

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Santhosh KV, Akanksha. Design of an adaptive soft calibration circuit for LVDT. In International Conference on Electrical, Electronics, Communication Computer Technologies and Optimization Techniques, ICEECCOT 2017. Vol. 2018-January. Institute of Electrical and Electronics Engineers Inc. 2018. p. 524-528 https://doi.org/10.1109/ICEECCOT.2017.8284561