A New Generation of Contactless Magnetic Position Sensors

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Abstract:

Magnetic position sensors have several advantages which make them attractive for automotive applications: they are contactless (there is no mechanical wear-out), insensitive to dirt, low cost and MMT has been a leader in the development of solutions based on measurement of magnetic field amplitude using Hall effect. In this paper, we will present a new generation of sensors using recently developed angular position sensors which measure the angle of the magnetic field generated by a diametrically or sinusoidally magnetized magnet, with a focus on through shaft 360° angular sensors and linear sensors adapted to large displacements [10 … 200 mm].

Keywords: DIAMETRICAL MAGNETIZATION; HALL POSITION SENSOR; SINUSOIDAL MAGNETIZATION

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/sl.2009.1065

Publication date: June 1, 2009

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