University of Twente Student Theses


AMR correction in an FPGA.

Hofstra, Silke (2016) AMR correction in an FPGA.

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Abstract:In current automotive technology, anisotropic magnetoresistance (AMR) sensors are often used to detect angles. One of the most popularly used sensors is the KMA200 sensor made by NXP. A common problem with these sensors is the existence of a voltage offset. This can be compensated for, but the usual methods do not allow this while the sensor is being used. Zambrano and Kerkhoff developed a method for online compensation of this offset. Because of this a method was devised to compensate for this offset. This is done using three measurements of different angles, out of which the voltage offset can be calculated. This has been modelled for implementation in an FPGA.
Item Type:Essay (Bachelor)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:53 electrotechnology
Programme:Electrical Engineering BSc (56953)
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