Robert Boschgmbh

Sudhakaran Sreepad

Rui Zhang

Parambath Muhammad

A method and device for compensating for an influence of a magnetic interference source on a measurement of a magnetic field sensor in a device. In the method, a magnetic flux density Mmeasured with the magnetic field sensor at a measured ambient temperature Tis compensated for with a compensation factor Mof the magnetic interference source according to,where()and Mis a magnetic reference flux density relative to a reference temperature T, a corresponding to a material parameter, which is defined for a used magnet material of the magnetic interference source, and the measured ambient temperature Tbeing corrected using a non-linear delay parameter to a temperature of the magnetic interference source T'. The method is used for the axis-based compensation of a temperature drift, the material parameter a being determined individually for each Cartesian axis.

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Kannur, India

Sudhakaran Sreepad