METHOD AND DRIVETRAIN TEST BENCH FOR DETECTING AN IMBALANCE AND/OR A MISALIGNMENT
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United States of America Patent
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Issued Date -
Aug 11, 2022
app pub date -
Jul 24, 2020
filing date -
Jul 25, 2019
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Abstract
The invention relates to a method and a drivetrain test bench for detecting an imbalance and/or a misalignment of at least one shaft assembly of a drivetrain during operation on a test bench, wherein a first piezoelectric force sensor is arranged in a flow of force generated by a transmission of power between a load unit of the test bench and a drive unit of the drivetrain or the test bench, and which is transmitted by means of the shaft assembly, wherein the first force sensor realizes a first force measurement in a first plane and/or perpendicular to the first plane as is intersected by a rotational axis of the shaft assembly and preferably at least substantially perpendicular to the rotational axis, and wherein at least one measured value progression of the first force measurement and a value progression associated with the measured value progression of a rotational angle determination for the shaft assembly are analyzed in order to detect an imbalance, and/or the measured value progression of the first force measurement is analyzed in order to detect a misalignment of the shaft assembly.
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