Title :
Mathematical modelling of GMI sensor with double-core structure
Author :
Xie Weinan ; Ma Guangcheng ; Wen Qiyong
Author_Institution :
Space Control & Inertial Technol. Res. Center, Harbin Inst. of Technol., Harbin, China
Abstract :
In this paper, the mathematical model of the GMI sensor with double-core structure is deduced. By analyzing the structure and the mathematical model of single-core GMI sensor, the drawback caused by bias current drift or temperature drift is found. According to the double-peak feature of the amorphous, GMI sensor with the double-core structure is given and the mathematical model of this sensor is developed, which can effectively improve the bias current stability and the temperature stability. Finally, the results are confirmed by experiments.
Keywords :
giant magnetoresistance; magnetic sensors; mathematical analysis; bias current stability drift; double-core structure; double-peak amorphous feature; giant magnetoimpedance sensor; mathematical modelling; single-core GMI sensor; temperature stability drift; Amorphous magnetic materials; Coils; Magnetic separation; Mathematical model; Temperature sensors; Wires; amorphous; double-core; giant magneto-impedance effect; magnetic sensor;
Conference_Titel :
Electronic Measurement & Instruments (ICEMI), 2013 IEEE 11th International Conference on
Conference_Location :
Harbin
Print_ISBN :
978-1-4799-0757-1
DOI :
10.1109/ICEMI.2013.6743172
