Method and system for operating a magnetic field sensor using adaptive filter to detect object

A method for operating a magnetic field sensor and an associated magnetic field sensor system. The method includes: detecting an output signal of the magnetic field sensor that describes a magnetic field detected by the magnetic field sensor; establishing an adaptive filter function of an adaptive f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Bakucz, Peter
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	A method for operating a magnetic field sensor and an associated magnetic field sensor system. The method includes: detecting an output signal of the magnetic field sensor that describes a magnetic field detected by the magnetic field sensor; establishing an adaptive filter function of an adaptive filter based on a model that describes an influence of specific objects on the output signal; filtering the output signal with the aid of the adaptive filter; ascertaining a deviation between the output signal and the output signal filtered with the aid of the adaptive filter; and detecting a presence of an object to be detected, based on the ascertained deviation.