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driving aids

A technology of driving assistance and auxiliary control, applied in the direction of control device, transportation and packaging, instruments, etc., can solve problems such as difficulty in generating alarms

Active Publication Date: 2020-08-28
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, unnecessary alarms are less likely to occur

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0017] Hereinafter, a driving assistance device according to an embodiment of the present invention will be described.

[0018] 【Example】

[0019] figure 2 An example of the driving assistance device according to this embodiment is shown. This driving assistance device is mounted on figure 1 The host vehicle 8 is shown.

[0020] The driving assistance device includes an LDA unit 10, a BSM / LCA unit 12, a steering device 14, a vehicle speed acquisition device 15, a direction indicating switch 16, and the like. The direction indicator switch 16 is turned on / off (ON / OFF) based on the driver's operation when changing the traveling direction of the own vehicle 8 .

[0021] The steering device 14 includes an electric power steering device 20 that assists a driver's steering operation with the output of an electric motor 18 , and a control unit 22 mainly composed of a computer. The electric power steering device 20 steers the wheels by the operating force applied to the steering...

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PUM

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Abstract

The invention relates to a driving assistance device, which increases opportunities for driving assistance and improves safety. In this driving assistance device, lane departure prevention assistance is performed as driving assistance when the departure possibility value, which is the possibility of the host vehicle leaving the lane, is equal to or greater than the first threshold value, but even if the departure possibility value is lower than the first threshold value , when the relative positional relationship between the own vehicle and the other vehicle on the rear side is in the set relationship, the lane departure prevention assistance is performed even if the value is equal to or greater than the second threshold value. In this way, when the relative positional relationship between the host vehicle and other vehicles is in the set relationship, lane departure prevention assistance may be performed even if the departure possibility value is lower than the first threshold value. As a result, opportunities for assisting lane departure prevention can be increased, and safety can be improved.

Description

technical field [0001] The present invention relates to a driving assistance device for assisting driving. Background technique [0002] Patent Documents 1 and 2 describe a driving assistance device that assists in preventing lane departure of a vehicle. Among them, in the driving assistance device described in Patent Document 1, an alarm is generated when there is a possibility that the host vehicle as a vehicle departs from the lane and the steering angle of the steering wheel is below a threshold value, but the above-mentioned threshold. For example, when there is an object ahead, the own vehicle generally travels while avoiding the object ahead, but in this case, it is determined whether the own vehicle needs to leave the lane and travel. Furthermore, when it is determined that the vehicle needs to leave the lane for traveling, the above-mentioned threshold value is set to a smaller value than when it is determined that it is not necessary. Accordingly, unnecessary al...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D5/04B62D6/00B62D101/00B62D137/00
CPCB62D5/0463B62D6/001G08G1/167B60W30/12B60W30/095B60W2554/801B60W2554/00B60W2754/10B60W2554/802B60W2554/804B60W30/0956B60W50/14B60W2050/146B60W2400/00
Inventor 川口佳浩泉川岩奥田裕宇二桥本一马
Owner TOYOTA JIDOSHA KK