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1. (US20100228417) DRIVER HANDS ON/OFF DETECTION DURING AUTOMATED LANE CENTERING/CHANGING MANEUVER

المكتب : الولايات المتحدة الأمريكية
رقم الطلب: 12399290 تاريخ الطلب: 06.03.2009
رقم النشر: 20100228417 تاريخ النشر: 09.09.2010
نوع النشر: A1
التصنيف الدولي للبراءات:
G06F 7/00
G05D 1/00
Description not available in lang arDescription not available in lang ar
المتقدمون: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
المخترعون: Lee Jin-Woo
Lee Yong H.
Litkouhi Bakhtiar Brian
الوكلاء: MILLER IP GROUP, PLC;GENERAL MOTORS CORPORATION
بيانات الأولوية:
العنوان: (EN) DRIVER HANDS ON/OFF DETECTION DURING AUTOMATED LANE CENTERING/CHANGING MANEUVER
الملخص: front page image
(EN)

A system and method for determining whether a vehicle driver is holding a steering wheel of the vehicle while the vehicle is in an autonomous driving mode. The vehicle will include an electric power steering (EPS) system and may include an active front steering (AFS) system, both of which include a motor that can apply a high frequency and low amplitude perturbation signal to the steering wheel of the vehicle that is not felt by the vehicle driver and does not cause the vehicle to turn, but is able to be detected by a steering angle sensor. The method subtracts a steering angle command signal from the steering angle signal and removes road disturbances, and then determines whether the induced perturbation signal is present in the steering angle sensor signal. If the perturbation signal is present, then the system knows that the vehicle driver is not holding the steering wheel.