Fault Detection of Induction Motors with Combined Modeling- and Machine-Learning-Based Framework

Moritz Benninger (), Marcus Liebschner and Christian Kreischer
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Moritz Benninger: Faculty of Electronics and Computer Science, University of Applied Sciences Aalen, 73430 Aalen, Germany
Marcus Liebschner: Faculty of Electronics and Computer Science, University of Applied Sciences Aalen, 73430 Aalen, Germany
Christian Kreischer: Chair for Electrical Machines and Drive Systems, Helmut Schmidt University, 22043 Hamburg, Germany

Energies, 2023, vol. 16, issue 8, 1-20

Abstract: This paper deals with the early detection of fault conditions in induction motors using a combined model- and machine-learning-based approach with flexible adaptation to individual motors. The method is based on analytical modeling in the form of a multiple coupled circuit model and a feedforward neural network. In addition, the differential evolution algorithm independently identifies the parameters of the motor for the multiple coupled circuit model based on easily obtained measurement data from a healthy state. With the identified parameters, the multiple coupled circuit model is used to perform dynamic simulations of the various fault cases of the specific induction motor. The simulation data set of the stator currents is used to train the neural network for classification of different stator, rotor, mechanical, and voltage supply faults. Finally, the combined method is successfully validated with measured data of faults in an induction motor, proving the transferability of the simulation-trained neural network to a real environment. Neglecting bearing faults, the fault cases from the validation data are classified with an accuracy of 94.81%.

Keywords: induction motors; fault detection; machine learning; supervised learning; multiple coupled circuit model; parameter identification (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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