METHOD AND DEVICE FOR THE CALIBRATION OR DIAGNOSIS OF A MOTOR VEHICLE BRAKE SYSTEM HAVING A CYCLICALLY OPERATED PUMP

A method for the calibration or diagnosis of a motor vehicle brake system having a cyclically operated pump. At least one parameter (URPOff), representing the electromotor force of the reference pump, is repeatedly ascertained during operation of a reference pump under defined guidelines. A statisti...

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Bibliographic Details
Main Authors ATTALLAH FAOUZI, ROBERT TOM, SCHELLER TOBIAS
Format Patent
LanguageEnglish
Published 28.07.2011
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Summary:A method for the calibration or diagnosis of a motor vehicle brake system having a cyclically operated pump. At least one parameter (URPOff), representing the electromotor force of the reference pump, is repeatedly ascertained during operation of a reference pump under defined guidelines. A statistical characteristic variable () is derived from the values of parameter (URPOff) ascertained for the reference pump. Parameter (UBPOff) is ascertained under a corresponding guideline during operation of an operating pump. Corresponding statistical characteristic variable () is derived from the values of parameter (UBPOff) ascertained for the operating pump. At least one ratio number is calculated as a measure of the deviation of the operating behavior of the operating pump from the operating behavior of the reference pump from the characteristic variable () calculated for the reference pump and the characteristic variable () calculated for the operating pump.
Bibliography:Application Number: US20080739456