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Method for detecting environment around vehicle

A technology for the surrounding environment and vehicles, which is applied in the field of detecting the surrounding environment of vehicles, can solve the problems of limited and susceptible to interference, achieve the effects of compensating manufacturing tolerances and aging effects, improving sensitivity and reliability, and improving the recognition of the surrounding environment

Active Publication Date: 2019-04-30
ROBERT BOSCH GMBH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, this method is susceptible to interference, so that the reliable detection of echo signals in transient oscillation intervals is only possible to a limited extent

Method used

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  • Method for detecting environment around vehicle
  • Method for detecting environment around vehicle
  • Method for detecting environment around vehicle

Examples

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Embodiment Construction

[0041] exist figure 1 2 shows a schematic driving situation with a vehicle 10 that is moving, for example, into a garage entrance or into a delimited parking space 12 . Vehicle 10 is equipped with a driver assistance system 14 which includes an ultrasound-based sensor system 16 in front of vehicle 10 for monitoring the surroundings by means of ultrasound sensors 16a, 16b, 16c, 16d. The ultrasound-based sensor system 16 is controlled by a control unit (ECU) 18 . except in figure 1 In addition to the ultrasonic sensors 16 a , 16 b , 16 c , and 16 d shown in FIG. 2 , other ultrasonic sensors may also be mounted on the side and rear of the vehicle 10 . In addition, other distance sensors for measuring the transit time, for example lidar sensors or radar sensors, may be arranged on vehicle 10 .

[0042] When the vehicle 10 is driving towards the garage entrance or the limited parking space 12, the ultrasonic sensors 16a, 16b, 16c, 16d in front emit ultrasonic pulses, so as to de...

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Abstract

The invention relates to a method for detecting the surroundings of a vehicle using a distance sensor, which has the following steps: a) transmitting a transmission pulse, b) detecting a transient oscillation signal (34) in a transient oscillation interval (26), c) passing the integrating said transient oscillation signal (34) over a period of time in said transient oscillation interval (26) to obtain an energy value, d) detecting said transient oscillation interval ( 26) in the echo signal (30). The invention also relates to a computer program and a driver assistance system for carrying out the method.

Description

technical field [0001] The invention relates to a method for detecting the surroundings of a vehicle by means of a distance sensor. The invention also relates to a corresponding driver assistance system and a computer program for carrying out the method. Background technique [0002] A driver assistance system is an additional device in a vehicle that supports the driver in driving the vehicle. Such driver assistance systems typically include different subsystems, such as driver information systems or predictive security system. For various of these subsystems, surroundings sensor systems are required which monitor the surroundings of the vehicle in order to detect, for example, objects representing potential obstacles in the vehicle's path of travel. [0003] Surroundings recognition is usually carried out in vehicles with the aid of distance sensors which measure the distance to objects in the vehicle's surroundings based on the transmit pulse-echo method and whose mea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S15/93G01S7/52G01S7/527G01S15/10G01S13/93G01S15/931
CPCG01S15/931G01S7/52003G01S7/52006G01S7/5276G01S15/101G01S2015/932G01S2013/9324G01S2013/9323G01S7/406
Inventor S·戈特利布S·克吕弗
Owner ROBERT BOSCH GMBH
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