<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The paper suggests algorithms enabling self-calibration of measurement channels with linear as well as nonlinear conversion functions. To approximate conversion characteristics, interpolation methods are used. They are widely known; however, the essence of the suggested self-calibration method is the current modernization of interpolating functions parameters due to a suitable procedure. It enables correction of the two essential error components which may appear in the measurement channel by means of evaluating the current value of the real slope of the conversion characteristic as well as of the components describing nonlinearity generated by disturbing factors. The methods of self-calibration for measurement channels cooperating with non-electrical quantities sensors are compared. Interpolation of conversion functions is assumed as linear in intervals and polynomial.</p></abstract>

The paper suggests algorithms enabling self-calibration of measurement channels with linear as well as nonlinear conversion functions. To approximate conversion characteristics, interpolation methods are used. They are widely known; however, the essence of the suggested self-calibration method is the current modernization of interpolating functions parameters due to a suitable procedure. It enables correction of the two essential error components which may appear in the measurement channel by means of evaluating the current value of the real slope of the conversion characteristic as well as of the components describing nonlinearity generated by disturbing factors. The methods of self-calibration for measurement channels cooperating with non-electrical quantities sensors are compared. Interpolation of conversion functions is assumed as linear in intervals and polynomial.

Comparison of Self-Calibration Methods for Measurement Channels in Respect of a Method of Conversion Functions Interpolation

Department of Measurement & Instrumentation, AGH-University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland

Measurement Science Review

The paper suggests algorithms enabling self-calibration of measurement channels with linear as well as nonlinear conversion functions. To approximate...

Comparison of Self-Calibration Methods for Measurement Channels in Respect of a Method of Conversion Functions Interpolation

Published Online: May 06, 2008

Page range: 25 - 28

DOI: https://doi.org/10.2478/v10048-008-0007-x

Keywords
self-calibration, non-electrical monitoring, sensors, interpolation

This content is open access.

Comparison of Self-Calibration Methods for Measurement Channels in Respect of a Method of Conversion Functions Interpolation

Published Online: May 06, 2008

Page range: 25 - 28

DOI: https://doi.org/10.2478/v10048-008-0007-x

Keywordsself-calibration, non-electrical monitoring, sensors, interpolation

This content is open access.

Keywords
self-calibration, non-electrical monitoring, sensors, interpolation