Adaptive Thermo-Compensation of Magneto-Resistive Sensor

V. Markevicius, D. Navikas

Abstract


There are presented experimental research results of AMR sensors (Honeywell HMC1022, MEMSIC MMC314xMS and STMicroelectronics LSM303DLH) thermo-stability. The experiment results show that not all sensors have temperature characteristics that are declared by manufacturer. Adaptive thermo-compensation algorithm pas proposed. Proposed method avoids need of additional AMR sensors calibration and selection and allows decreasing measurement errors in a wide temperature range (up to 100 oC). Ill. 13, bibl. 5 (in English; abstracts in English and Lithuanian).

http://dx.doi.org/10.5755/j01.eee.114.8.694


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Print ISSN: 1392-1215
Online ISSN: 2029-5731