Electrical impedance based condition monitoring of machine elements–a systematic review

FM Becker-Dombrowsky, E Kirchner - Frontiers in Mechanical …, 2024 - frontiersin.org
Condition monitoring of machine elements becomes more important over the last years.
Different approaches to detect failures in mechanical components have been developed. All …

Motor Bearing Damage Induced by Bearing Current: A Review

J Ma, Y Xue, Q Han, X Li, C Yu - Machines, 2022 - mdpi.com
The occurrence of the motor shaft voltage and bearing current caused by the inverter will
aggravate bearing damage and lead to the premature failure of bearings. Many types of …

[HTML][HTML] Electrotribodynamics of ball bearings in electrical machines

R Turnbull, R Rahmani, S Paul, H Rahnejat - Tribology International, 2023 - Elsevier
The trend towards electrification presents new challenges in bearing design. One such
consideration is the occurrence of electrical discharge contact pathways, which can lead to …

Lubrication condition monitoring in EHD line contacts of thrust needle roller bearing using the electrical impedance method

T Maruyama, F Radzi, T Sato, S Iwase, M Maeda… - Lubricants, 2023 - mdpi.com
In this study, we developed the electrical impedance method which simultaneously
measures the thickness and breakdown ratio of oil films in elastohydrodynamic (EHD) line …

Lubrication condition monitoring of practical ball bearings by electrical impedance method

T Maruyama, M Maeda, K Nakano - Tribology Online, 2019 - jstage.jst.go.jp
In this study, the electrical impedance method was developed to monitor the thickness and
breakdown ratio of oil films in elliptical elastohydrodynamic (EHD) contacts of practical ball …

[图书][B] Tribology in electrical environments

H Prashad - 2005 - books.google.com
This book summarises work done and experience gained over the past three decades in the
area of tribology in electrical environments. It takes a close look at behaviour and response …

Uncertainty analysis of a calculation model for electric bearing impedance

P Welzbacher, S Puchtler, A Geipl… - Proceedings of the …, 2022 - cambridge.org
The integration of Sensing Machine Elements (SME) is a promising approach to obtain
reliable data about relevant process and state variables of technical systems. However, the …

Capacitance calculation of unloaded rolling elements–Comparison of analytical and numerical methods

S Puchtler, T Schirra, E Kirchner… - Tribology …, 2022 - Elsevier
Various methods for calculating the capacitance of unloaded rolling elements are compared
to improve the electric characterization of rolling element bearings. Semi-analytical …

Multi-physics modeling of roller bearing raceway imperfections compared to electric measurements of an EHL point contact

M Neu, A Zaiat, A Harder, E Kirchner, J Hussong - Tribology International, 2022 - Elsevier
This work presents an architecture for multi-physical numerical calculations of ball bearing
contacts based on OpenFOAM. It is built according to the state-of-the-art for fluid-solid …

Appearance of craters on track surface of rolling element bearings by spark erosion

H Prashad - Tribology international, 2001 - Elsevier
A theoretical investigation has been carried out to determine the time span for the
appearance of craters by spark erosion on the track surfaces of rolling-element bearings …