Failure detection device for steering angle sensor, and control method therefor

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12172709
APP PUB NO 20230112736A1
SERIAL NO

17905766

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Abstract

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A failure detection device for a steering angle sensor according to an embodiment comprises: a steering angle sensor including a main gear that rotates together with a steering wheel, a first sub-gear and a second sub-gear that are each engaged with the main gear and have a constant gear ratio with the main gear, a first Hall IC chip for detecting the angle of the first sub-gear, and a second Hall IC chip for detecting the angle of the second sub-gear; and a control unit that determines failure of the steering angle sensor on the basis of a first angle difference between the current angle and a previous angle of the first sub-gear as detected by the first Hall IC chip, and a second angle difference between the current angle and a previous angle of the second sub-gear as detected by the second Hall IC chip.

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Patent Owner(s)

Patent OwnerAddress
HL MANDO CORPORATION32 HAMANHO-GIL POSEUNG-EUP PYEONGTAEK-SI GYEONGGI-DO 17962

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hwang, Daehun Seongnam, KR 3 2
Kim, Taegyun Seongnam, KR 37 63
Lee, Seungcheol Osan, KR 25 45

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