Title :
A microcontroller solution for AMR magnetic sensing in flying munitions systems
Author :
Ilg, Mark ; Chang, B.C. ; Hepner, David ; Thompson, Andrew
Author_Institution :
Dept. of Mech. Eng., Drexel Univ., Philadelphia, PA, USA
Abstract :
In this paper, a low-cost, effective microcontroller digital solution is presented to improve the accuracy and reliability of the anisotropic magnetoresistive (AMR) sensor. The proposed approach eliminates the inaccuracies caused by the nonidentical thin-film stripes of the Wheatstone bridge and minimizes the effect of nonlinearities, hysteresis and temperature drifts.
Keywords :
enhanced magnetoresistance; hysteresis; magnetic sensors; magnetometers; microcontrollers; military aircraft; missile control; reliability; Wheatstone bridge; anisotropic magnetoresistive magnetic sensing; anisotropic magnetoresistive sensor; flying munitions systems; hysteresis; microcontroller digital solution; reliability; temperature drifts; Anisotropic magnetoresistance; Bridge circuits; Magnetic anisotropy; Magnetic hysteresis; Magnetic sensors; Microcontrollers; Perpendicular magnetic anisotropy; Temperature sensors; Transistors; Weapons;
Conference_Titel :
Mechatronics, 2005. ICM '05. IEEE International Conference on
Conference_Location :
Taipei
Print_ISBN :
0-7803-8998-0
DOI :
10.1109/ICMECH.2005.1529232
