DE102008027180A1 - Method for operating vehicle, involves detecting subsoil lateral and before front wheel of vehicle by detection unit, where subsoil is detected behind and lateral to rear wheel, where optical or acoustic warning signal is issued - Google Patents

Abstract

The method involves detecting subsoil (3) lateral and before a front wheel (1.3.1) of a vehicle (1) by a detection unit (2). The subsoil is detected behind and lateral to a rear wheel (1.3.2), where an optical or acoustic warning signal is issued to a vehicle driver during detection and identification of the non-driving the subsoil, particularly a depression (6) whose depth (t) is determined. An independent claim is included for a device for operating a vehicle.

Description

The The invention relates to a method and an apparatus for operation a vehicle, wherein by means of detection units a background detected in front of and laterally at least one front wheel of a vehicle becomes.

From the DE 196 23 469 C2 a device is known which detects a background, in particular depressions, in front of and laterally of a vehicle by means of ultrasonic sensors and warns a driver of detected depressions. The ultrasonic sensors are arranged laterally of the vehicle on the exterior mirror or on an additional mirror.

Of the Invention is based on the object with respect to the Prior art improved method and apparatus to indicate the operation of a vehicle.

The Task is according to the invention in terms of the method that in claim 1 and in terms of the device by the in Claim 4 specified features solved.

advantageous Further developments of the invention are the subject of the dependent claims.

The The invention relates to a method for operating a vehicle, wherein by means of detection units, a background before and laterally at least a front wheel of the vehicle is detected. According to the invention in addition, a background behind and sideways at least a rear wheel, whereby a driver advantageous also when reversing, especially during parking maneuvers supported becomes. Particularly preferably, the background is detected to whether this can be traveled, which advantageously a form as well a condition is recorded, analyzed and taken into account. For this purpose, particularly preferably already arranged on the vehicle or in the vehicle integrated detection units, eg. B. distance sensors, optical detection units used to detect the background become. This will make the vehicle both from collisions as well from damage to body parts by placing for example protected on a step or curb.

In In one possible embodiment, the method in an already existing driver assistance system, in particular a Parking assistance, integrated.

embodiments The invention will be explained in more detail with reference to drawings.

there demonstrate:

1 schematically a vehicle with detection units that detect a drivable underground, and

2 schematically a vehicle with arranged to detect a trafficable ground detection units.

each other corresponding parts are in all figures with the same reference numerals Mistake.

In 1 and 2 is a vehicle 1 represented at the detection units 2 for detecting a subsurface 3 of the vehicle 1 are arranged. The registration units 2 are in a front area 1.1 as well as a rear area 1.2 of the vehicle 1 , in particular a front bumper unit 4 and a rear bumper unit 5 , attached or integrated into it. The registration units 2 be implemented in an advantageous manner as ultrasonic sensors, radar sensors, distance sensors and / or CCD camera.

For example, the capture units 2 Component of a driver assistance system, in particular a parking assistance system, z. B. for detecting a distance of the vehicle 1 to be objects.

The registration units 2 For example, at each corner of the bumper units 4 and 5 attached or integrated. There is a registration unit 2 advantageously a vehicle wheel 1.3 assigned. So z. B. the detection unit 2 on the front bumper unit 4 left a left front wheel 1.3.1 of the vehicle 1 assigned.

The front side arranged detection units 2 each preferably have a detection range E1 and laterally of the front wheels 1.3.1 on. The rear of the vehicle 1 arranged detection units 2 have a detection range E2 behind and to the side of the rear wheels 1.3.2 of the vehicle 1 on.

It is advantageously of all detection units 2 the underground 3 of the vehicle 1 determined simultaneously, is preferably evaluated based on the detected signals, whether the ground 3 is drivable. For this purpose, in a particularly advantageous manner, a shape and a texture of the substrate 3 recorded, analyzed and identified.

In one possible embodiment of the method, for example, a driving speed can be preset, from which the vehicle reaches detection units 2 be activated to the underground 3 of the vehicle 1 capture.

Alternatively and / or additionally, the detection units 2 be activated when switching on the driver assistance system, in particular the parking aid.

In 2 is a background 3 shown on which the vehicle 1 moves. The vehicle 1 is, for example, in reverse during a parking maneuver.

The underground 3 has a recess 6 especially in the form of a step on. Would the vehicle 1 this depression 6 happen body parts would at least one vehicle underbody 1.4 to be damaged.

For this purpose, it is provided in a particularly advantageous manner according to the method that by means of an evaluation unit, not shown, a depth t of the recess 6 is determined and analyzed on the basis of the emitted signals.

The determination of the depth t can, for example, in the case of detection units designed as ultrasonic sensors 2 be determined over a period of emitted signals. In this case, a limit value of the depth t is preferably predeterminable as a function of a vehicle type. The limit value is preferably dependent on, in particular, a ground clearance of the vehicle 1 specified.

For damage to body parts of the subfloor 1.4 of the vehicle 1 In order to avoid this, the method provides for a depression identified by the evaluation unit 6 whose depth t is greater than or equal to the predefinable limit value, advantageously a warning signal is output to a driver, not shown. In this case, the warning signal can be output via an output unit, not shown, such as a speaker, acoustically. For this purpose, for example, a pitch of the warning signal as a function of a distance a of the rear wheel 1.3.2 to the depression 6 vary.

Additionally and / or alternatively, the warning signal can also be output optically via an output unit. For this purpose, for example, the distance a of the rear wheel 1.3.2 to the depression 6 be represented by a bar chart, wherein individual bar segments may have different color levels.

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 19623469 C2 [0002]

Claims (7)

Method for operating a vehicle ( 1 ), whereby by means of detection units ( 2 ) an underground ( 3 ) in front of and at the side of at least one front wheel ( 1.3.1 ) of the vehicle ( 1 ), characterized in that a background ( 3 ) behind and at the side of at least one rear wheel ( 1.3.2 ) is detected. A method according to claim 1, characterized in that when detected and identified non-navigable underground ( 3 ), in particular a depression ( 6 ), a visual and / or audible warning signal is issued to a driver. A method according to claim 1 or 2, characterized in that a depth (t) of the recess ( 6 ) is determined. Device for operating a vehicle, wherein on the vehicle ( 1 ) Registration units ( 2 ) are arranged, the one underground ( 3 ) in front of and at the side of at least one front wheel ( 1.3.1 ) of the vehicle ( 1 ), characterized in that detection units ( 2 ) are provided, the one underground ( 3 ) behind and at the side of at least one rear wheel ( 1.3.2 ) to capture. Apparatus according to claim 4, characterized in that when not navigable underground ( 3 ), in particular a depression ( 6 ), by means of an output unit, an optical and / or acoustic warning signal can be output to a driver. Apparatus according to claim 4 or 5, characterized in that an evaluation unit is provided, by means of which a depth (t) of the recess ( 6 ) can be determined. Device according to one of claims 4 to 6, characterized in that the detection units ultrasonic sensors are.