RESEARCH PAPER
Application of the Teager-Kaiser energy operator in diagnostics of a hydrodynamic bearing
| 1 | AGH University of Science And Technology, al. Mickiewicza 30, 30-059 Kraków, Poland |
| 2 | Department of Turbine Dynamics and Diagnostics, Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdańsk, Poland |
Publication date: 2020-12-31
Eksploatacja i Niezawodność – Maintenance and Reliability 2020;22(4):757–765
HIGHLIGHTS
- Use of the Teager-Kaiser energy operator to evaluate the state of unbalance.
- Tests of the rotor supported on hydrodynamic plain bearings were conducted.
- A diagnostic parameter was used to assess the technical condition of the machine.
KEYWORDS
ABSTRACT
The paper presents the use of the Teager-Kaiser energy operator (TKEO) to evaluate the
state of rotor unbalance. The method was developed in 1990 by Kaiser and involves a simple
calculation of signal energy. It has been used before in diagnostics, e.g. during the evaluation
of instability of hydrodynamic bearings and as a diagnostic symptom of gearbox damage.
This paper is the first to present the use of the Teager-Kaiser method to evaluate the rotor
unbalance in hydrodynamic bearings.
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