Len Gelman

Prof

Accepting PhD Students

  • 776 Citations
  • 14 h-Index
19972020

Research output per year

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Research Output

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Article
2020

Novel health monitoring technology for in-service diagnostics of intake separation in aircraft engines

Gelman, L., Petrunin, I., Parrish, C. & Walters, M., 1 May 2020, In : Structural Control and Health Monitoring . 27, 5, 14 p., e2479.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

Novel Higher-Order Spectral Cross-Correlation Technologies for Vibration Sensor-Based Diagnosis of Gearboxes

Gelman, L., Soliński, K. & Ball, A., 2 Sep 2020, In : Sensors. 20, 18, 23 p., 5131.

Research output: Contribution to journalArticle

Open Access
Open Access
2 Citations (Scopus)
2019

Advances in test and measurement of the interface adhesion and bond strengths in coating-substrate systems, emphasising blister and bulk techniques

Chen, X., Shaw, C., Gelman, L. & Grattan, K. T. V., 1 Jun 2019, In : Measurement. 139, p. 387-402 16 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2017

Novel adaptation of the spectral kurtosis for vibration diagnosis of gearboxes in non-stationary conditions

Gelman, L., Kolbe, S., Shaw, B. & Vaidhianathasamy, M., 1 Aug 2017, In : Insight: Non-Destructive Testing and Condition Monitoring. 59, 8, p. 434-439 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Novel in-service combustion instability detection using the chirp fourier higher order spectra

Gelman, L., Parrish, C., Petrunin, I. & Walters, M., 6 Mar 2017, In : International Journal of Prognostics and Health Management. 8, 1, 8 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

Vibration diagnosis of a gearbox by wavelet bicoherence technology

Gelman, L., Solinski, K., Shaw, B. & Vaidhianathasamy, M., 1 Aug 2017, In : Insight: Non-Destructive Testing and Condition Monitoring. 59, 8, p. 440-444 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2016

Current-based higher-order spectral covariance as a bearing diagnostic feature for induction motors

Ciszewski, T., Gelman, L. & Swȩdrowski, L., 1 Aug 2016, In : Insight: Non-Destructive Testing and Condition Monitoring. 58, 8, p. 431-434 4 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Novel spectral kurtosis technology for adaptive vibration condition monitoring of multi-stage gearboxes

Gelman, L., Harish Chandra, N., Kurosz, R., Pellicano, F., Barbieri, M. & Zippo, A., 1 Aug 2016, In : Insight: Non-Destructive Testing and Condition Monitoring. 58, 8, p. 409-416 8 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)
2015
2 Citations (Scopus)

Novel wavelet technology for vibration condition monitoring of rolling element bearings

Gelman, L., Murray, B., Patel, T. H. & Thomson, A., Jan 2015, In : Insight: Non-Destructive Testing and Condition Monitoring. 57, 1, p. 40-47 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Triple correlation for detection of damage-related nonlinearities in composite structures

Klepka, A., Strączkiewicz, M., Pieczonka, L., Staszewski, W. J., Gelman, L., Aymerich, F. & Uhl, T., 2015, In : International Journal of Nonlinear Dynamics and Chaos in Engineering Systems. 81 , 1-2, p. 453-468 16 p.

Research output: Contribution to journalArticle

Open Access
15 Citations (Scopus)
2014
Open Access
7 Citations (Scopus)

Vibration diagnostics of rolling bearings by novel nonlinear non-stationary wavelet bicoherence technology

Gelman, L., Murray, B., Patel, T. H. & Thomson, A., 1 Dec 2014, In : Engineering Structures. 80, p. 514-520 7 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
2013

Diagnosis of bearings by novel non-linear non-stationary higher order spectra

Gelman, L., Murray, B., Patel, T. H. & Thomson, A., 1 Aug 2013, In : Insight: Non-Destructive Testing and Condition Monitoring. 55, 8, p. 438-441 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Novel decision-making technique for damage diagnosis

Gelman, L., Murray, B., Patel, T. H. & Thomson, A., 1 Aug 2013, In : Insight: Non-Destructive Testing and Condition Monitoring. 55, 8, p. 428-432 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Novel Technology Based on the Spectral Kurtosis and Wavelet Transform for Rolling Bearing Diagnosis

Gelman, L., Patel, T. H., Persin, G., Murray, B. & Thomson, A., 2013, In : International Journal of Prognostics and Health Management. 4, 2, 7 p., 024.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

Rolling Bearing Diagnosis Based on the Higher Order Spectra

Gelman, L., Patel, T. H., Murray, B. & Thomson, A., 2013, In : International Journal of Prognostics and Health Management. 4, 2, 9 p., 022.

Research output: Contribution to journalArticle

Open Access
7 Citations (Scopus)
2012

Diagnostics of Local Tooth Damage in Gears by the Wavelet Technology

Gelman, L., Petrunin, I., Jennions, I. K. & Walters, M., 2012, In : International Journal of Prognostics and Health Management. 3, 2, 7 p., 005.

Research output: Contribution to journalArticle

Open Access
7 Citations (Scopus)

Novel anomaly detection technique based on the nearest neighbour and sequential methods

Gelman, L. & Petrunin, I., 1 Aug 2012, In : Insight: Non-Destructive Testing and Condition Monitoring. 54, 8, p. 433-435 3 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Novel detection of local tooth damage in gears by the wavelet bicoherence

Combet, F., Gelman, L. & LaPayne, G., 1 Jan 2012, In : Mechanical Systems and Signal Processing. 26, 1, p. 218-228 11 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)
2011

Detection/Diagnosis of Chipped Tooth in Gears by the Novel Residual Technology

Gelman, L., Jennions, I. & Petrunin, I., 2011, In : International Journal of Prognostics and Health Management. 2, 2, 6 p., 012.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
22 Citations (Scopus)

Novel comparisons of vibration and acoustic technologies for local damage detection in gearboxes

Borisov, A., Gelman, L., Gryllias, K. C., Shaw, B., Vaidhianathasamy, M. & Walters, M., 1 Aug 2011, In : Insight: Non-Destructive Testing and Condition Monitoring. 53, 8, p. 426-430 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2010

Local damage diagnosis in gearboxes using novel wavelet technology

Gryllias, K. C., Gelman, L., Shaw, B. & Vaidhianathasamy, M., 1 Aug 2010, In : Insight: Non-Destructive Testing and Condition Monitoring. 52, 8, p. 437-442 6 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

The new frequency response functions for structural health monitoring

Gelman, L., 1 Dec 2010, In : Engineering Structures. 32, 12, p. 3994-3999 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
5 Citations (Scopus)
2009

Adaptive diagnosis of the bilinear mechanical systems

Gelman, L., Gorpinich, S. & Thompson, C., 1 Jul 2009, In : Mechanical Systems and Signal Processing. 23, 5, p. 1548-1553 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Advanced Higher Order Spectra for Classification of Damage in Transient Conditions

Gelman, L., Lapeña, E. & Thompson, C., 1 Jul 2009, In : Journal of Intelligent Material Systems and Structures. 20, 11, p. 1343-1349 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Optimal filtering of gear signals for early damage detection based on the spectral kurtosis

Combet, F. & Gelman, L., 1 Apr 2009, In : Mechanical Systems and Signal Processing. 23, 3, p. 652-668 17 p.

Research output: Contribution to journalArticle

147 Citations (Scopus)

Vibration detection of local gear damage by advanced demodulation and residual techniques

Combet, F., Gelman, L., Anuzis, P. & Slater, R., 1 May 2009, In : Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. 223, 5, p. 507-514 8 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)
2008

A new time-frequency transform for non-stationary signals with any nonlinear instantaneous phase

Gelman, L. & Gould, J., 1 Jun 2008, In : Multidimensional Systems and Signal Processing. 19, 2, p. 173-198 26 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Novel optimisation of bicoherence estimation for fatigue monitoring

Petrunin, I. & Gelman, L., 1 Mar 2008, In : Insight: Non-Destructive Testing and Condition Monitoring. 50, 3, p. 133-135 3 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2007

An automated methodology for performing time synchronous averaging of a gearbox signal without speed sensor

Combet, F. & Gelman, L., 1 Aug 2007, In : Mechanical Systems and Signal Processing. 21, 6, p. 2590-2606 17 p.

Research output: Contribution to journalArticle

139 Citations (Scopus)

The new multidimensional time/multi-frequency transform for higher order spectral analysis

Gelman, L. & Petrunin, I., 1 Dec 2007, In : Multidimensional Systems and Signal Processing. 18, 4, p. 317-325 9 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Time-frequency chirp-Wigner transform for signals with any nonlinear polynomial time varying instantaneous frequency

Gelman, L. & Gould, J. D., 1 Nov 2007, In : Mechanical Systems and Signal Processing. 21, 8, p. 2980-3002 23 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)
2006

Complex higher order spectra vs. it's magnitude for nondestructive testing of nonlinearity in structures

Gelman, L. & Yakasai, S., 2006, In : Nondestructive Testing and Evaluation. 21, 2, p. 103-107 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Vibration Monitoring for Local Tooth Damage in Multistage Gearboxes

Gelman, L., Zimroz, R., Birkel, J., Leigh-Firbank, H., Simms, D., Waterland, B. & Whitehurst, G., 1 Jan 2006, In : Noise and Vibration Worldwide. 37, 1, p. 19-25 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Vibroacoustical Damping Diagnostics: Complex Frequency Response Function versus its Magnitude

Gelman, L., Jenkin, P., Petrunin, I. & Crocker, M. J., 1 Sep 2006, In : International Journal of Acoustics and Vibrations. 11, 3, p. 120-124 5 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2005

Adaptive vibration condition monitoring technology for local tooth damage in gearboxes

Gelman, L., Zimroz, R., Birkel, J., Leigh-Firbank, H., Simms, D., Waterland, B. & Whitehurst, G., 1 Aug 2005, In : Insight: Non-Destructive Testing and Condition Monitoring. 47, 8, p. 461-464 4 p.

Research output: Contribution to journalArticle

36 Citations (Scopus)

Condition Monitoring of Fatigue Cracks in Machinery Blades

Gelman, L., 1 Dec 2005, In : Noise and Vibration Worldwide. 36, 11, p. 18-23 6 p.

Research output: Contribution to journalArticle

Fatigue crack diagnostics: A comparison of the use of the complex bicoherence and its magnitude

Gelman, L., White, P. & Hammond, J., 1 Jul 2005, In : Mechanical Systems and Signal Processing. 19, 4, p. 913-918 6 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)

Novel vibro-acoustical technology for pipe deposition monitoring

Gelman, L., Jenkin, P., Petrunin, I., Sanderson, M. & Thompson, C., 2005, In : International Journal of COMADEM. 8, 4, p. 24-32 9 p.

Research output: Contribution to journalArticle

Statistical Analysis of the Dynamic Mean Excitation for a Spur Gear

Gelman, L., Giurgiutiu, V. & Bayoumi, A., Apr 2005, In : Journal of Vibration and Acoustics, Transactions of the ASME. 127, 2, p. 204-207 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2004

Advantage of using the fourier components pair instead of power spectral density for fatigue crack diagnostics

Gelman, L., Giurgiutiu, V. & Petrunin, I., Apr 2004, In : International Journal of COMADEM. 7, 2, p. 18-22 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

A New Generalised Approach for Feature Representation in Vibroacoustical Fault Diagnosis

Gelman, L., Jenkin, P., Sanderson, M., Thompson, C. & Crocker, M. J., Mar 2004, In : International Journal of Acoustics and Vibrations. 9, 1, p. 13-16 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2003

Condition monitoring of fatigue cracks in machinery blades

Gelman, L., Astley, K. & Petrunin, I., 1 Aug 2003, In : Insight: Non-Destructive Testing and Condition Monitoring. 45, 8, p. 539-541 3 p.

Research output: Contribution to journalArticle

Signal recognition: Fourier transform vs. Cosine transform

Gelman, L., Sanderson, M. & Thompson, C., Nov 2003, In : Pattern Recognition Letters. 24, 15, p. 2823-2827 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)