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Jacek Dybała

Researcher at Warsaw University of Technology

Publications -  32
Citations -  785

Jacek Dybała is an academic researcher from Warsaw University of Technology. The author has contributed to research in topics: Condition monitoring & Signal. The author has an hindex of 10, co-authored 31 publications receiving 563 citations.

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A Model-Based Method for Remaining Useful Life Prediction of Machinery

TL;DR: A model-based method for predicting RUL of machinery is proposed and the effectiveness of the proposed method is identified, using vibration signals from accelerated degradation tests of rolling element bearings.
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Rolling bearing diagnosing method based on Empirical Mode Decomposition of machine vibration signal

TL;DR: In this paper, an EMD-based rolling bearing diagnosing method was proposed for bearing damage detection at a much earlier stage of damage development, by using EMD a raw vibration signal is decomposed into a number of Intrinsic Mode Functions ( IMF s) and then, a new method of IMF s aggregation into three Combined Mode Function (CMF s) was applied and finally the vibration signal was divided into three parts of signal.
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Reduction of Doppler effect for the needs of wayside condition monitoring system of railway vehicles

TL;DR: In this article, a method for removal of signal's frequential structure disturbances related with relative move of vehicles and stationary monitoring station was used. But the authors did not consider the effect of the Doppler effect.
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Use of magnetic monitoring of vehicles for proactive strategy development

TL;DR: In this article, the authors proposed use of magnetometers as an interesting alternative to pass the requirements of simplicity of application, minimum costs and maximum of acquired information, and demonstrated the possibility of using the passive magnetic methods for the purpose of monitoring of vehicles.
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Diagnosing of rolling-element bearings using amplitude level-based decomposition of machine vibration signal

TL;DR: Tests show that the devised approach is appropriate and effective at identifying bearing damages at early stages of their development and the practicability and the effectiveness of the proposed approach have been tested on simulated and real-world vibration data.