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Method for configuration of ultrasonic-based driver assistance system and corresponding ultrasonic sensor

A driver assistance and ultrasonic technology, applied in general control system, control/regulation system, pedestrian/passenger safety layout, etc., can solve the problem of location information loss and achieve the effect of line saving

Inactive Publication Date: 2009-12-09
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this case, however, the control device does not know where the individual ultrasonic sensors are positioned on the motor vehicle, because the position information of the individual sensors in space is lost via the common bus system, which requires an installation of the ultrasonic sensors. Then notify the control device of the information

Method used

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  • Method for configuration of ultrasonic-based driver assistance system and corresponding ultrasonic sensor
  • Method for configuration of ultrasonic-based driver assistance system and corresponding ultrasonic sensor
  • Method for configuration of ultrasonic-based driver assistance system and corresponding ultrasonic sensor

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Embodiment Construction

[0016] figure 1 shows a circuit block diagram of an ultrasonic-based driver assistance system consisting of ultrasonic sensors 1a, 1b, 1c, 1d, 1e and 1f at the front of the vehicle and ultrasonic sensors 2a, 2b, 2c at the rear of the vehicle, Composed of 2d, 2e and 2f. All ultrasonic sensors 1a, 1b, 1c, 1d, 1e and 1f and 2a, 2b, 2c, 2d, 2e and 2f are connected to the central control unit 3 via a common electronic bus system 4a and 4b. Since the bus structure of all ultrasonic sensors 1a, 1b, 1c, 1d, 1e and 1f and 2a, 2b, 2c, 2d, 2e and 2f of the motor vehicle 6 requires considerably less effort in wiring than conventional systems, In conventional systems all ultrasonic sensors are connected to a central control unit via a point-to-point connection. The uniquely assigned, one-time assigned absolute identifier for a sensor type is assigned a logical address within the control unit 3 which represents the respective location in the motor vehicle.

[0017] In order to reduce the...

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Abstract

The present invention relates to a method for automatic configuration of ultrasonic-based driver assistance system which comprises a plurality of ultrasonic sensors arranged at differrent positions of the vehicle and comprises at least one controlling unit. The ultrosonic sensors provided according to the present invention comprises an output pin with an internally given potential, and the internally given potential can be changed by applied the other potential. Therefore an absolute position of one ultrasonic sensor is obtained. The absolute addresses of all ultrasonic sensors are determinedby the determination of adjacent relationship of all the ultrasonic sensors and an absolute position, so as to configure the driver assistance system when first time installation or repair.

Description

technical field [0001] The invention relates to a method for the automatic configuration of an ultrasound-based driver assistance system having a plurality of ultrasound sensors which are arranged at different points in a motor vehicle. Background technique [0002] Ultrasonic-based driver assistance systems, for example for distance detection in the parking assistance operation of a motor vehicle, require a plurality of different ultrasonic sensors in order to be able to determine the distance to obstacles in different directions at the respective motor vehicle position. Typical system configurations of ultrasonic-based parking aids have at least two, usually six and sometimes more ultrasonic sensors per bumper, which operate according to the echo-measuring principle. In order to be able to assign the signals of the ultrasonic sensors meaningfully in the driver assistance system, a central control unit is required to recognize the position of each individual ultrasonic sens...

Claims

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Application Information

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IPC IPC(8): B60R21/01B60R16/02B60R11/00G05B15/00
CPCB62D15/027
Inventor M·塞特A·克洛茨T·特雷普托M·黑林D·施密德M·格拉赫P·拉普斯B·赫德
Owner ROBERT BOSCH GMBH