METHOD FOR DETERMINING A DIRECTION OF A SPIN AXIS OF A ROTATING APPARATUS

METHOD FOR DETERMINING A DIRECTION OF A SPIN AXIS OF A ROTATING APPARATUS

A method for determining a direction of a spin axis of a rotating apparatus which includes an XYZ-magnetic field sensor. The method includes determining a global direction of a magnetic field; rotating the rotating apparatus around the spin axis, measuring at least one magnetic field value as a func...

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Hauptverfasser: Poropudas, Jirka, Hohteri, Harri, Nieminen, Tuukka
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator Poropudas, Jirka
Hohteri, Harri
Nieminen, Tuukka
description A method for determining a direction of a spin axis of a rotating apparatus which includes an XYZ-magnetic field sensor. The method includes determining a global direction of a magnetic field; rotating the rotating apparatus around the spin axis, measuring at least one magnetic field value as a function of time with the XYZ-magnetic field sensor when the rotating apparatus is rotating about the spin axis, computing a magnetic field component of the magnetic field in a direction of a local body coordinate of the spin axis of the rotating apparatus from the measured at least one magnetic field value and determining a direction of the spin axis using the computed magnetic field component of the magnetic field and the determined global direction of the magnetic field.
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title METHOD FOR DETERMINING A DIRECTION OF A SPIN AXIS OF A ROTATING APPARATUS
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