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A microcontroller solution for AMR magnetic sensing in flying munitions systems
Conference proceeding

A microcontroller solution for AMR magnetic sensing in flying munitions systems

M. Ilg, B.C. Chang, D. Hepner and A. Thompson
2005 IEEE International Conference on Mechatronics proceedings : June 10-12, 2005, The Grand Hotel, Taipei, Taiwan, v 2005, pp 84-89
2005

Abstract

Anisotropic magnetoresistance Bridge circuits Magnetic anisotropy Magnetic hysteresis Magnetic sensors Microcontrollers Perpendicular magnetic anisotropy Temperature sensors Transistors Weapons
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.

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