The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 09, 2021

Filed:

Oct. 11, 2018
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Nils Hagenlocher, Stuttgart, DE;

Tobias Oberhardt, Erlenbach, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60W 40/068 (2012.01);
U.S. Cl.
CPC ...
B60W 40/068 (2013.01); B60W 2520/26 (2013.01);
Abstract

A method for determining a state of a roadway of a vehicle. A first distance value of a measurement coordinate to a first tire characteristic curve associated with a first state of the roadway is ascertained. A second distance value of the measurement coordinate to a second tire characteristic curve associated with a second state of the roadway is ascertained. The measurement coordinate represents a measurement carried out using at least one vehicle sensor of a presently utilized traction between wheels of the vehicle and the roadway and a wheel slip of the wheels, while the first tire characteristic curve and the second tire characteristic curve are based on a model function for the modeled representation of the traction as a function of the wheel slip. An output signal representing the state of the roadway is output using the first distance value and the second distance value.


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