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Abstract

The goal of this research is the development of feasibility check of an electric drive non-contact diagnostic system that excludes sensor mounting and uses an industrial condenser microphone as a sensitive element instead. To verify this proposition, a commercial microphone was used, which was designed to measure acoustic noise, sound pressure and a frequency response in the hearing range. This paper covers the analysis of existing electric drive diagnostic systems; experimental obtainment of electric motor acoustic vibration spectrum and its comparison to the vibration spectrum of the same motor measured using accelerometers; specific defect frequencies calculation for contact bearing and gearbox; the principle of building the electric drive diagnostic system using condenser microphone is formulated. This research was based on empirical methods of problem solving. As a result of the research, the research group proposed the principle for electric drive diagnostic system functioning that uses condenser microphone as a sensor. The results of this work can be used for the development of stationary or mobile diagnostic systems for rotor equipment that meet the requirement of the Industry 4.0.

Keywords

Diagnostics, acoustic vibration, bearing, electric motor, monitoring, condenser microphone, spectral analysis.

Alexander N. Panov

Ph.D. (Engineering), Associate Professor, Head of the Department of Innovation, CJSC “KonsOM SKS”, Magnitogorsk, Russia; Head of the Department of System Integration, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..

Evgeny E. Bodrov

Ph.D. (Engineering), Associate Professor, Associate Professor of the Electronics and Microelectronics Department, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.. ORCID: https://orcid.org/0000-0002-7316-8213.

Anastasia A. Lysenko

Engineer of the Department of Innovation, CJSC «KonsOM SKS», Magnitogorsk, Russia; Master’s Degree student of the Department of Electronics and Microelectronics, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia.

Denis A. Krivosheev

Engineer of the Department of Industrial and Cyberphysical Systems, CJSC «KonsOM SKS», Magnitogorsk, Russia; Master’s Degree student of the Department of Automated Control Systems, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia.

Nikolay I. Kirtyanov

Leading Engineer of the Department of Information Technology, JSC "MAGNITOGORSK GIPROMEZ", Magnitogorsk, Russia; Master’s Degree student of the Department of Applied Mathematics and Computer Science, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia.

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