Driver hand release detection method and device, automobile and computer storage medium

Abstract

The invention provides a driver hand release detection method and device, an automobile and a computer storage medium, which can avoid inaccurate monitoring of a driver hand release state caused by road surface interference. The driver hand release detection method comprises the steps that a current torque value output by an electric power steering system of a vehicle in the current period is obtained; according to the current torque value output by the electric power steering system in the current period and historical torque values output by the electric power steering system in all historical periods after the vehicle is powered on, a target accumulated value is determined; and the target accumulated value is compared with a predetermined first state value representing that the driver slips out of the hand and a predetermined second state value representing that the driver does not slip out of the hand, and whether the driver slips out of the hand or not is determined.

Description

technical field [0001] The invention is used in the field of automatic driving, and specifically relates to a driver's hands-off detection method, device, automobile and computer storage medium. Background technique [0002] According to the national recommended standard "Automotive Driving Automation Points", the L1-L3 system cannot complete automatic driving in all working conditions, and requires a driver to take over the system in a timely manner. The horizontal and vertical control is normally handed over to the driver. [0003] The accuracy of hands-off state detection is related to the functional safety and driving experience of automatic driving. Misdetection of hands-off state will affect the driver's experience, and the automatic driving system will falsely report hands-off. The missed detection of the hands-off state affects the safety of the automatic driving system. The actual hands-off, but the system mistakenly detects that the hands-off state may lead to con...

AI Technical Summary

Problems solved by technology

[0003] The accuracy of hands-off state detection is related to the functional safety and driving experience of autonomous driving. Misdetection of hands-off state will affect the driver’s experience. The automatic driving system will falsely report hands-off

Missing detection of the release state affects the safety of the automatic driving system. The actual release, but the system mistakenly detects that the release is not released may lead to control instability

[0004] In the prior art, the torque threshold and time of the electric power steering system are used to judge whether the driving is off-hand. This method has the following disadvantages: the torque threshold output by the electric power steering system is easily disturbed by the road surface, causing the state of the hand-off to jump back and forth. Can't accurately judge whether to let go or not

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