Scientific publications

Many EC Systems employees are active scientists. We invite you to get familiar with their scientific research and publications related to the subject of vibration-based condition monitoring and diagnostics of rotating machinery. Below you will find some of the most recently published papers.

 

Time-frequency approach to extraction of selected second-order cyclostationary vibration components for varying operational conditions

Źródło: Measurement, Available online 8 December 2012
Autorzy: Jacek Urbanek (EC Systems), Tomasz Barszcz (EC Systems), Jerome Antoni

Read more »

 

Wind speed modelling using Weierstrass function fitted by a genetic algorithm

Źródło: Journal of Wind Engineering and Industrial Aerodynamics, Volume 109, October 2012, Pages 68–78
Autorzy: Tomasz Barszcz (EC Systems), Marzena Bielecka, Andrzej Bielecki, Mateusz Wójcik

Read more »

 

Application of averaged instantaneous power spectrum for diagnostics of machinery operating under non-stationary operational conditions

Source: Measurement, Volume 45, Issue 7, August 2012, Pages 1782-1791
Authors: Jacek Urbanek (EC Systems), Tomasz Barszcz (EC Systems), Radosław Zimroz, Jerome Antoni

Read more »

 

A two-step procedure for estimation of instantaneous rotational speed with large fluctuations

Source: Mechanical Systems and Signal Processing, In Press, Corrected Proof, Available online 16 June 2012
Authors: Jacek Urbanek (EC Systems), Tomasz Barszcz (EC Systems), Jerome Antoni

Read more »

 

Detection of signal component modulations using modulation intensity distribution

Source: Mechanical Systems and Signal Processing, Volume 28, April 2012, Pages 399-413
Authors: Jacek Urbanek (EC Systems), Jerome Antoni, Tomasz Barszcz (EC Systems)

Read more »

 

Measurement of instantaneous shaft speed by advanced vibration signal processing - application to wind turbine gearbox

Source: Metrology and Measurement Systems, Volume 18, No. 4/2011, Pages 701-712
Authors: Radosław Zimroz, Jacek Urbanek (EC Systems), Tomasz Barszcz (EC Systems), Walter Bartelmus, Fabien Millioz, Nadine Martin

Read more »

Download the full article for free »

 

Automatic validation of vibration signals in wind farm distributed monitoring systems

Source: Measurement, Volume 44, Issue 10, December 2011, Pages 1954-1967
Authors: Adam Jabłoński (EC Systems), Tomasz Barszcz (EC Systems), Marzena Bielecka

Read more »

 

Description of varying operational conditions in wind turbines

Source: Diagnostyka, Volume 4(60) / 2011, Pages 39-46
Author: Tomasz Barszcz (EC Systems)

Read more »

Download the full article for free »

 
 

A feedwater heater model intended for model-based diagnostics of power plant installations

Source: Applied Thermal Engineering, Volume 31, Issues 8–9, June 2011, Pages 1357-1367
Authors: Tomasz Barszcz (EC Systems), Piotr Czop

Read more »

 

Comparison of amplitude-based and phase-based methods for speed tracking in application to wind turbines

Source: Metrology and Measurement Systems, Volume 18, No. 2/2011, Pages 295–303
Authors: Jacek URBANEK (EC Systems), Tomasz BARSZCZ (EC Systems), Nader Sawalhi, Robert B. Randall

Read more »

Download the full article for free »

 

A novel method for the optimal band selection for vibration signal demodulation and comparison with the Kurtogram

Source: Mechanical Systems and Signal Processing, Volume 25, Issue 1, January 2011, Pages 431-451
Authors: Tomasz Barszcz (EC Systems), Adam Jabłoński (EC Systems)

Read more »

 

Selection of efficient monitoring methods for machinery generating high vibration signal disturbance

Source: Diagnostyka, Volume 4(56) / 2010, Pages 55-58
Authors:
Tomasz Barszcz (EC Systems), Jacek Urbanek (EC Systems), Łukasz Szumilas (former EC Systems)

Read more »

Download the full article for free »

 

Decomposition of vibration signals into deterministic and nondeterministic components and its capabilities of fault detection and identification

Source: International Journal of Applied Mathematics and Computer Science, Volume 19 no. 2, 2009, Pages: 327–335
Author: Tomasz Barszcz (EC Systems)

Read more »

Download the full article for free »

 

Application of diagnostic algorithms for wind turbines

Source: Diagnostyka, Volume 2(50) / 2009, Pages 7-11
Author: Tomasz Barszcz (EC Systems)

Read more »

Download the full article for free »

 

Application of spectral kurtosis for detection of a tooth crack in the planetary gear of a wind turbine

Source: Mechanical Systems and Signal Processing, Volume 23, Issue 4, May 2009, Pages 1352-1365
Authors: Tomasz Barszcz (EC Systems), Robert B. Randall

Read more »

 

Architecture and performance of RPC-based distributed vibration monitoring and diagnostic system

Source: Measurement, Volume 42, Issue 4, May 2009, Pages 532-541
Author: Tomasz Barszcz (EC Systems),

Read more »