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Method for generating a surroundings map, and driver assistance system

A surrounding environment and map technology, applied in the field of driver assistance systems, can solve the problems of uncertainty, no update, wrong location, etc.

Active Publication Date: 2017-08-18
VALEO SCHALTER & SENSOREN
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] Due to these technical limitations of ultrasonic sensors, problems arise in the case of conventional embodiments, namely, that objects are displayed incorrectly on the generated surroundings map, and / or, taking into account maneuvers that have occurred with respect to the currently displayed surroundings map Further movement of the vehicle, objects are displayed in wrong positions, or are no longer updated
In the case of conventional dynamic representations of objects in digital surrounding maps, there are therefore corresponding uncertainties in this regard

Method used

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  • Method for generating a surroundings map, and driver assistance system
  • Method for generating a surroundings map, and driver assistance system
  • Method for generating a surroundings map, and driver assistance system

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Embodiment Construction

[0065] In the figures, identical or functionally identical elements are indicated by the same reference numerals.

[0066] figure 1 A traffic situation I is shown in a plan view, which is shown at two different points in time. On the left-hand side, traffic situation I is shown at time T1, while traffic situation I, which extends over a certain time period, is shown on the right-hand side at time T2, which follows time T1. Here, the motor vehicle 1 is moving in the direction of the arrow P starting at time T1. Motor vehicle 1 comprises a driver assistance system 2 which is at least one control unit and at least one evaluation unit. The motor vehicle 1 also includes a sensor device, in particular an ultrasonic sensor device 3 , which has a plurality of sensors, in particular ultrasonic sensors 5 and 6 at the front area 4 of the motor vehicle 1 , and a plurality of ultrasonic sensors at the rear area 7 . such an ultrasonic sensor. The number of ultrasonic sensors 5 and 6 is ...

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Abstract

The invention relates to a method for generating a surroundings map (12) of a surrounding area (8) around a motor vehicle (1), in which method the surrounding area (8) is acquired by way of at least one sensor, in particular ultrasound sensor (5, 6, 14, 15), on the motor vehicle, wherein an acquisition of the surrounding area (8) is performed by way of the at least one sensor (5, 6, 14, 15) at at least two different points in time (T1, T2), and in a manner dependent on said surroundings free space situations respectively detected in a manner dependent on items of sensor information at the points in time (T1, T2), it is decided whether, upon an updating of the surroundings map (12), an object (11, 13) at least perceived as being situated in the surrounding area (8) at least in a surroundings free space situation is displayed on the then updated surroundings map (12). The invention also relates to a driver assistance system (2) and to a motor vehicle (1).

Description

technical field [0001] The invention relates to a method for generating a surroundings map of a surrounding area of ​​a motor vehicle, in which method the surrounding area is captured by at least one sensor on the motor vehicle. The invention also relates to a driver assistance system having at least one sensor and having an evaluation unit. Background technique [0002] Ultrasonic sensors are well known in the field of automotive engineering. By means of these specific sensor types, the surroundings of the motor vehicle are captured and, in a manner dependent thereon, for example the case of identifying a suitable parking space. In a more recent application, it is also provided that information items based on ultrasonic sensor detection represent the surroundings of the motor vehicle and are thus displayed on the display unit. Such a surroundings map can be generated, for example, as a vector map or as a grid map. A specific gap is then formed in a manner dependent on th...

Claims

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Application Information

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IPC IPC(8): G01S15/93G01S15/89G01S15/87G01S17/89G01S17/93G01S13/89G01S13/93G01S13/931G01S15/931G01S17/931
CPCG01S13/89G01S13/931G01S15/876G01S15/89G01S15/931G01S17/89G01S17/931G01S17/894B60W30/06B60W30/14G08G1/096725
Inventor J-F.巴里昂M.亨伯格R.盖格A.迈克尔
Owner VALEO SCHALTER & SENSOREN
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