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Method for operating a motor vehicle, and motor vehicle

A technology for motor vehicles and hybrid vehicles, which is applied in the field of operating motor vehicles and can solve problems such as the quality that affects resonance

Active Publication Date: 2017-03-22
VALEO SCHALTER & SENSOREN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method is based on the fact that the resonance frequency of an ultrasonic sensor is a direct indicator of contamination, ice or snow layers, since this additional layer affects the quality of the resonance

Method used

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  • Method for operating a motor vehicle, and motor vehicle
  • Method for operating a motor vehicle, and motor vehicle

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0048] figure 1 The motor vehicle 1 shown is, for example, a passenger car. The motor vehicle 1 includes an ultrasonic sensor device 2 which is, for example, part of a driver assistance system, such as a parking assistant system. The ultrasonic sensor device 2 serves to assist the driver of the motor vehicle 1 when performing a parking maneuver. For this purpose, it comprises a plurality of ultrasonic sensors 3 which are distributed over the rear bumper 4 . Corresponding ultrasonic sensors 3 may also be arranged on the front bumper 5 (not shown). The ultrasonic sensor 3 is electrically coupled to a control device 6 of the ultrasonic sensor device 2 . The control device 6 represents a control device, which may comprise eg a digital signal processor and / or a microcontroller, and is used for controlling the ultrasonic sensor 3 . The control device 6 receives measurement data from the ultrasonic sensor 3 and, from these measurement data, determines the distance between the mot...

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Abstract

The invention relates to a method for operating a motor vehicle (1), wherein ultrasonic waves are emitted into a surrounding region (9) of the motor vehicle (1) by means of at least one ultrasonic sensor (3) of an ultrasonic sensor device (2) of the motor vehicle (1) when the ultrasonic sensor is operated in active operation, wherein the motor vehicle (1) is designed as a hybrid vehicle having an internal combustion engine (10) and having an electric drive machine (17) and is operated by means of the electric drive machine (17) at least at times during the active operation of the ultrasonic sensor (3) of the motor vehicle (1), which ultrasonic sensor is arranged on a rear end (4) of the motor vehicle (1). The invention further relates to a motor vehicle (1).

Description

technical field [0001] The invention relates to a method for operating a motor vehicle, in which ultrasonic waves are emitted into the surrounding area of ​​the motor vehicle by means of at least one ultrasonic sensor for carrying out a distance measurement. The invention also relates to a motor vehicle. Background technique [0002] Ultrasonic sensors for motor vehicles are known from the prior art in various designs. They are generally used to assist the driver in maneuvering a motor vehicle, in particular in performing parking maneuvers. In this respect, by means of the ultrasonic sensor, the distance to obstacles present in the environment of the motor vehicle is measured. The ultrasonic sensor is part of a driver assistance device called parking assistant. However, today's ultrasonic sensors are used more and more frequently outside of this actual parking assistance function, such as for example for driver assistance by active braking intervention, i.e. by automatic ...

Claims

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Application Information

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IPC IPC(8): G01S15/93G01S15/02G01S15/87G01S7/52G01S15/86G01S15/931
CPCG01S7/52004G01S15/87G01S15/931G01S15/86G01S2015/938G01S2015/932G01S2007/52011G01S15/88Y10S903/93B60W20/16B60W10/06B60W10/08B60W2400/00B60W2420/00B60W2510/06B60W2510/0676B60W2510/068B60W2710/06B60W2710/08B60Y2200/92B60Y2300/18033B60Y2300/182B60Y2300/43B60Y2300/47B60Y2300/60B60Y2400/3018B60Y2400/302B60Y2400/306
Inventor P-D.罗斯托基M.哈利克U.布雷斯勒A.巴奇T.冈泽尔
Owner VALEO SCHALTER & SENSOREN