Steering wheel angle sensor and method for fault detecting of a steering wheel angle sensor

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Steering wheel angle sensor and method for fault detecting of a steering wheel angle sensor

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SORENSEN OLE FALCK / KRUSBORG JORGEN / RASMUSSEN SOREN WINKLER / GREGERSEN DENNIS

A steering wheel angle sensor is described comprising a first part and a second part, wherein the first part and the second part are moveable relative to each other in rotational direction and the first part comprises at least one first signal generating means (1, 2) generating a sine signal (x2, x5) in response to an angular position of the second part and at least one second signal generating means (3, 4) generating a cosine signal (y2, y5) in response to the angular position of the second part. Such a steering wheel angle sensor should allow a simple fault detection. To this end fault detecting means (9) are provided, wherein the fault detecting means (9) form a sum of the square of the sine signal (x2, x5) and the square of the cosine signal (y2, y5) and generates a fault signal, if the sum is not within a predetermined range.

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Title :

Steering wheel angle sensor and method for fault detecting of a steering wheel angle sensor

Contributors:

SORENSEN OLE FALCK (author) / KRUSBORG JORGEN (author) / RASMUSSEN SOREN WINKLER (author) / GREGERSEN DENNIS (author)

Publication date :

2020-11-10

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / B62D MOTOR VEHICLES , Motorfahrzeuge / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein