DE10212782A1

DE10212782A1 - Motor vehicle i.e. car for operating with navigation system tells a driver when to turn off a road currently used into a turn-off road by an appropriate operation of a steering wheel.

Info

Publication number: DE10212782A1
Application number: DE2002112782
Authority: DE
Inventors: Martin Ruhstorfer
Original assignee: Bayerische Motoren Werke AG
Current assignee: Bayerische Motoren Werke AG
Priority date: 2002-03-22
Filing date: 2002-03-22
Publication date: 2003-10-02

Abstract

A pulsating torque/adjusting moment automatically applies via a suitable adjusting motor to a steering wheel just before reaching a turn-off. An externally visible drive-direction indicator is activated just before reaching the turn-off to correspond to the turn-off direction. Also, along with this indicator, a control display for the drive-direction indicator can or cannot be activated.

Description

The invention relates to a motor vehicle, in particular a Passenger car, with a navigation system that the driver of the vehicle indicates when it is from the currently used road by suitable Turn a steering wheel or the like into a branching road should, in order to achieve a goal set by him. For technical The environment is only referred to DE 199 39 047 A1 by way of example.
Modern navigation systems in motor vehicles form a new one Driving comfort and contribute indirectly to general safety in the Traffic events at. In the known prior art, the driver is per Screen navigation or on acoustic instruction according to the Target led. However, certain unfavorable factors can still occur Advantages that known navigation systems offer, for uncertainty or also lead to driver misdirection. Rule extremely, for example poor visibility due to bad weather or too due to preceding vehicles blocking view, it is possible that a scheduled turn cannot be made in time can. Furthermore, it is possible for the driver to have a variety of Turn options are irritated and consequently a wrong way chooses.
A remedial measure for this problem is to be shown Object of the present invention.
The solution to this problem is a motor vehicle according to the preamble of claim 1, characterized in that shortly before reaching the Turning to the steering wheel automatically a torque or Adjustment torque is applied. As a result, the driver is immediately on the one hand necessary turning maneuvers pointed out to avoid him may turn a street too late. On the other hand, it can Direction of the torque or adjustment torque to the driver Show correct further direction of travel, i.e. to the left or to the right.
Basically, it is already known to a vehicle steering wheel or the like Torque or adjustment torque to be applied, namely by means of a suitable servomotor especially in connection with modern Steering systems, either as so-called superimposed steering or as steer-by-wire System are designed. However, it was not yet considered that Driver of the vehicle by means of a suitable one, in the steering wheel or the like. initiated or applied to this torque or To transmit suitable torque from a navigation system. It is expressly pointed out that the present invention is not limited to a steering wheel for steering the motor vehicle, but is applicable to any steering handle to which then a suitable adjusting torque is applied instead of the torque, if the driver is on a junction to be driven and thus on one of steering actuation to be initiated should be pointed out to him.
A pulsating torque or adjusting torque is also advantageous, For example, in the form of vibrations on the steering wheel or the like a suitable servomotor is / are created because this is the driver also the time of the imminent turning process and thus the need to operate the steering wheel appropriately indicates intensely noticeable. A so-called pulsating torque or adjustment torque leads to significant vibrations in the steering wheel or on the steering handle, which further reduces the risk of missing a turn becomes. The frequency of these vibrations or moment pulses can be used can be varied, preferably depending on the distance to the driving junction, so that the driver can almost directly feel how close to the branch to be followed.
An advantageous further development exists if shortly before reaching the Junction corresponding to the direction of the junction is visible from the outside Direction indicators and / or only visible to the driver Control indicator for the direction indicator is activated. This optical signal also advises the driver of the immediate Turn off without it being a particularly elaborate one Additional measure required. Rather, these are advertisements known to exist on every motor vehicle.
The inventive connection of a navigation system with a electric steering supports targeted automatic guidance a motor vehicle. Driving comfort is increased in that the driver, especially on a route unknown to him, by a competent Signal system is freed from any decision-making constraints. On Significant advantage for traffic safety is achieved by the fact that the driver's attention by not finding the right one Branch is distracted from the traffic situation, being still on it it should be pointed out that quite a number of details differ from Above statements can be designed without the content of Leave claims.

Claims

1. Motor vehicle, in particular passenger cars, with a navigation system which indicates to the driver of the vehicle when he should turn from the currently traveled road by appropriately operating a steering wheel or the like. In a branching road, in order to achieve a predetermined by him target, characterized characterized in that a torque or adjusting torque is automatically applied to the steering wheel shortly before reaching the junction.

2. Motor vehicle according to claim 1, characterized in that a pulsating torque or Adjustment torque on the steering wheel or the like. On the part of a suitable Actuator is created.

3. Motor vehicle according to claim 1 or 2, characterized in that shortly before reaching the junction an externally visible one according to the branch direction Direction indicators and / or only visible to the driver Control indicator for the direction indicator is activated.