Linearization of the sensors characteristics: a review

Tarikul Islam*, S. C. Mukhopadhyay

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Abstract

Today, the sensing devices play an important role for various system automation and monitoring of different physical and chemical parameters. Nonlinearity is an important long-time issue for most of the sensors, so to compensate nonlinearity, various linearization schemes are reported in the literature. The accuracy of linearization schemes depends on the type and the nonlinearity value of the sensor output. Since it is difficult to find an exact polynomial equation or other functions to represent the response curve; it gives more error when the measurement parameter is determined from the inverse approximation functions. As many sensors are used for different applications, the linearized characteristics will simplify the design, calibration, and accuracy of the measurement. This paper presents a review of different methods applied to linearize sensor characteristics reported in the literature. Due to availability of high-performance analog devices, analog methods are still popular among many researchers. However, due to the advancement of IC technologies, hardware implementation of the software methods can be done easily with reduced time, cost, and more accuracy, so the digital methods combined with software techniques perform the job with better flexibility and efficiency.

Original languageEnglish
Pages (from-to)1-21
Number of pages21
JournalInternational Journal on Smart Sensing and Intelligent Systems
Volume12
Issue number1
DOIs
Publication statusPublished - Apr 2019

Bibliographical note

Copyright the Author(s) 2019. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • Sensors
  • Nonlinearity
  • Compensation
  • Linearization schemes

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