Title :
Static calibration of a thermally self-compensated fiber-optic sensor for high-pressure measurements
Author :
Iraqi, Ali ; Morawski, Roman Z. ; Barwicz, Andrzej ; Bock, Wojtek J.
Author_Institution :
Ecole d´´Ingenierie, Quebec Univ., Trois-Rivieres, Que., Canada
Abstract :
The problem of static calibration of measuring systems is considered in a case where the raw result of measurement depends both on a scalar measurand and on a scalar influence quantity. An algorithm for calibration of a thermally self-compensated fiber-optic sensor of pressure is proposed. It is based on the use of cubic B-splines for modeling the nonlinearity of the dependence of the raw result of measurement on pressure, and the use of a low-order polynomial for modeling its dependence on temperature
Keywords :
calibration; compensation; fibre optic sensors; high-pressure techniques; modelling; optical fibres; pressure sensors; splines (mathematics); algorithm; cubic B-splines; forward static characteristic; high-pressure measurements; low-order polynomial; maximum absolute error; nonlinearity modeling; pressure dependence; process control sensor; scalar influence quantity; scalar measurand; static calibration; temperature dependence; thermally self-compensated fiber-optic sensor; Calibration; Information technology; Optical fiber sensors; Polynomials; Pressure measurement; Sensor phenomena and characterization; Spline; Temperature sensors; Thermal sensors; Voltage;
Conference_Titel :
Instrumentation and Measurement Technology Conference, 1997. IMTC/97. Proceedings. Sensing, Processing, Networking., IEEE
Conference_Location :
Ottawa, Ont.
Print_ISBN :
0-7803-3747-6
DOI :
10.1109/IMTC.1997.610189
