Method for detecting the surroundings of a vehicle

• US 9,599,709 B2
• Filed: 09/23/2011
• Issued: 03/21/2017
• Est. Priority Date: 09/27/2010
• Status: Active Grant

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Karl, Matthias
• Primary Examiner(s): Alizada, Omeed
• Application Number:
  US13/876,405
• Publication Number:
  US 20130242701A1
• Time in Patent Office: 2,006 Days
• US Class Current: 1/1
• CPC Class Codes: G01S 15/931 of land vehicles
• CPC Class Codes: G01S 2015/938 in the bumper area
• CPC Class Codes: G01S 7/003 Transmission of data between radar, sonar or lidar systems and remote stations
• CPC Class Codes: H03M 7/50 Conversion to or from non-linear codes, e.g. companding

Abstract

A method for sensing the surroundings of a vehicle with a number of sensors, in which method during at least one echo cycle at least one echo information item about the surroundings is sensed by at least one sensor and is compressed using an algorithm, and in which the at least one compressed echo information item is transferred to at least one processing unit.

Claims

1. A method for sensing surroundings of a vehicle using a number of sensors, comprising:

during at least one echo cycle, sensing, by at least one sensor, at least one echo information item about the surroundings, and compressing the at least one echo information item using an algorithm that includes a continuous nonlinear transformation, wherein the at least one echo information item includes information regarding at least one of;

i) a relative motion between a transmitter and a receiver and ii) a surface configuration of an object present between the transmitter and receiver; and

transferring the at least one compressed echo information item to at least one processing unit.

2. The method as recited in claim 1, wherein the at least one echo information item further includes information regarding at least one of (i) an echo amplitude and (ii) a relative motion of an object present between the transmitter and the receiver.

3. The method as recited in claim 1, wherein the at least one echo cycle for transferring the echo information is initiated by an emission of at least one synchronization information item from the at least one processing unit, and at least one echo information item is then transferred by the at least one sensor.

4. The method as recited in claim 1, wherein during the echo cycle, at least one respective echo information item is transferred, in accordance with a transmission time pattern, alternatingly and successively by multiple sensors.

11. The method as recited in claim 1, wherein the at least one echo information item includes the information regarding the relative motion between the transmitter and the receiver.

12. The method as recited in claim 1, wherein the at least one echo information item includes the information regarding the surface configuration of the object present between the transmitter and receiver.

5. An assemblage for sensing surroundings of a vehicle, comprising:

at least one processing unit; and

a number of sensors, at least one of the sensors being embodied so that during at least one echo cycle, the at least one of the sensors senses at least one echo information item about the surroundings, compresses the at least one echo information item using an algorithm that includes a continuous nonlinear transformation, and transfers the at least one compressed echo information item to the at least one processing unit, wherein the at least one echo information item includes information regarding at least one of;

i) a relative motion between a transmitter and a receiver and ii) a surface configuration of the object present between the transmitter and receiver.

6. The assemblage as recited in claim 5, further comprising:

a bus, embodied as a ring, as a medium for conductor-based transfer of information between the at least one processing unit and the sensors.

7. The assemblage as recited in claim 6, wherein at least one of the sensors, embodied as a switching sensor, is embodied to at least one of close and open the ring in controlled fashion.

8. The assemblage as recited in claim 6, wherein the ring is embodied to supply at least one component of the assemblage with energy.

9. The assemblage as recited in claim 5, in which at least two components of the assemblage are embodied for wireless transfer of information, and to use a frequency separation or code separation for signals with which the information is to be transferred.

10. The assemblage as recited in claim 6, wherein at least two conductors of the ring are mechanically connected to one another.