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Condition Monitoring Of Drive Trains By Data Fusion Of Acoustic Emission And Vibration Sensors

Gain an improvement of damage classification by using the proposed algorithm of combining classifiers for vibrations and acoustic emission.

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Early damage detection and classification by condition monitoring systems is crucial to enable predictive maintenance of manufacturing systems and industrial facilities. The data analysis can be improved by applying machine learning algorithms and fusion of data from heterogenous sensors. This paper presents an approach for a step-wise integration of classifications gained from vibration and acoustic emission sensors, in order to combine the information from signals acquired in the low and high frequency range. A test rig comprising a drive train and bearings with small artificial damages is used for acquisition of experimental data. The results indicate that an improvement of damage classification can be obtained using the proposed algorithm of combining classifiers for vibrations and acoustic emission.

Authors:
Oliver Mey,1 André Schneider,1 Olaf Enge-Rosenblatt,1 Dirk Mayer,1 Christian Schmidt,2 Samuel Klein,2, and Hans-Georg Herrmann.2
1 Fraunhofer Institute of Integrated Circuits IIS, Division Engineering of Adaptive Systems, Dresden, Germany
2 Fraunhofer IZFP Institute for Nondestructive Testing, Saarbrücken, Germany

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