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Method for improving driving stability

A technology of stability and driving speed, applied in the system field according to the preamble of claim 12, can solve problems such as high risks and achieve the effect of improving driving comfort

Active Publication Date: 2014-05-21
CONTINENTAL AUTOMOTIVE TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

An erroneous estimate of the coefficient of friction or even an underlying assumption of a high coefficient of friction creates high risks for the vehicle manufacturer or parts supplier, since recommended (unwarranted) speeds that are too high can lead to compensation claims due to product liability

Method used

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  • Method for improving driving stability
  • Method for improving driving stability

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Embodiment Construction

[0038] The subject of the present invention is a method and a system for improving driving stability by means of information about the course of the road ahead. According to the invention, the driver himself evaluates the ambient conditions and selects a suitable default value for the coefficient of friction via a suitable human-machine interface (HMI: Human Machine Interface). According to a preferred embodiment of the invention, the presetting is carried out by means of a switch or button which limits the maximum usable coefficient of friction to a fixed predetermined value. According to a further preferred embodiment of the invention, the driver himself preselects the possible conditions dry-wet-snow-ice via a selector switch, wherein the conditions are each assigned a corresponding coefficient of friction. According to an alternative preferred embodiment of the invention, the driver can select whether a sporty, normal or comfort intervention strategy is to be followed. In...

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Abstract

The invention relates to a method for improving the driving stability of a motor vehicle, wherein driver-independent braking interventions are triggered when a critical driving situation is expected on the basis of route information and current position data of the motor vehicle. The invention also relates to a corresponding system. According to the invention, the driver specifies information on the friction coefficient to be maximally used via a human-machine interface, said friction coefficient being used as the basis for the prediction of a critical driving situation.

Description

technical field [0001] The invention relates to a method according to the preamble of claim 1 and a system according to the preamble of claim 12 . Background technique [0002] Modern motor vehicles are mostly equipped with driving dynamics control systems, such as ESC (Electronic Stability Control), which can influence the driving behavior of the motor vehicle in a targeted manner. In order to ensure driving stability, ie to ensure that the vehicle follows the driver's preset values, automatic wheel-specific braking forces and / or drive torque reductions can be generated here. The control interventions originate directly from the driver's input (steering, braking, accelerator pedal) and are carried out in a reactive manner, so that the driving dynamics control only intervenes when the driving behavior corresponds to the driver's expectations calculated with the aid of the vehicle model. Only when the deviation is a measurable value. Active driving dynamics control systems ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/1755
CPCB60T8/1755B60T2201/16B60T2210/12B60T2210/36B60K31/0008B60T7/12Y02T10/84
Inventor T·拉什特P·劳尔P·里特
Owner CONTINENTAL AUTOMOTIVE TECH GMBH
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