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Method and device for determining the adaptive reaction time of a driver of a motor vehicle

A reaction time, driver technology, applied in the field of auxiliary systems, which can solve problems such as increasing costs

Active Publication Date: 2019-12-17
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this requires additional sensor systems in the vehicle and increases costs

Method used

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  • Method and device for determining the adaptive reaction time of a driver of a motor vehicle
  • Method and device for determining the adaptive reaction time of a driver of a motor vehicle
  • Method and device for determining the adaptive reaction time of a driver of a motor vehicle

Examples

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Embodiment Construction

[0090] figure 1 A typical cornering situation is shown in which a turning vehicle F2 traveling ahead at a certain distance ahead of the host vehicle F1 turns right from the first lane FS1 at the junction of the second lane FS2 to the second lane FS2. Of the two lanes, the lanes FS1 and FS2 are delimited by intermediate markings MM1 and MM2 and by boundary markings SM1 and SM2. The intention to turn of the preceding vehicle F2 is indicated by the activated flashing lights BL and the direction of the turn is indicated by the direction arrow FR.

[0091] The host vehicle F1 following the turning vehicle F2 has a "Front Assist" system, which detects the preceding vehicle F2 by means of environment sensors oriented in the direction of travel (for example a radar system). radar system in figure 1 is shown schematically by a series of emitted environment detection pulses UFD.

[0092] Also in figure 1 Plot the two distances in . Reaction segment RS represents the time of constan...

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Abstract

The present invention relates to a method and a device for determining the adaptive reaction time of a driver of a motor vehicle, wherein the adaptive reaction time is determined by the driver's activity level, the method comprising the following steps: - determining by means of environmental sensors The behavior of the preceding vehicle, -determining the activity of the driver of the motor vehicle, -determining the temporal correlation between the behavior of the preceding vehicle and the activity of the driver, and -from the temporal Correlation to determine driver activity. The method is used in an assistance system with observation of the preceding motor vehicle environment, in which the driver's reaction time is used to determine the warning time.

Description

technical field [0001] The invention relates to a method according to the invention for determining an adaptive reaction time of a driver of a motor vehicle and a corresponding assistance system according to the invention. Background technique [0002] The environment monitoring system "Front Assist" detects dangerous distance situations with the aid of suitable sensor systems (eg radar or laser) and helps to reduce stopping distances. The system warns the driver visually and audibly as well as with a brake jerk (Bremsruck) in critical situations, wherein the system "Front Assist" works independently of the automatic distance control ACC. [0003] Here, the system "Front Assist" reacts to a dangerous approach in two stages. In the first phase, the assistance system warns the driver of a sudden, sharply decelerating or slow-moving vehicle ahead and the associated risk of a collision with audible and visual signals. At the same time, the vehicle is "ready" for emergency brak...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W40/08B60W50/14B60W30/09
CPCB60W30/09B60W40/08B60W50/14B60K28/06B60W30/08B60W2040/0818B60W2520/105B60W2520/125B60W2540/10B60W2540/106B60W2540/12B60W2540/18B60W2540/20G08B21/06B60W40/09B60W2554/804B60W2554/801B60K28/02B60W40/02B60W40/12B60W2050/146B60W2050/0062B60Y2400/92B60W2540/30B60W2710/30B60W2540/00
Inventor S·米尔希B·毛斯F·施罗文
Owner VOLKSWAGEN AG
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