[1] N. E. Huang, Z. Shen, S. R. Long, M. C. Wu, H. H. Shih, Q. Zheng, N. C. Yen C. C. Tung, H. and H. Liu, "Empirical Mode Decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis", Proceedings of the Royal Society London, Vol. 454, NO. 1971, March 1998, pp. 903 – 995.
[2] D. N. Yang, Y. Lei, S. Lin, and N. E. Huang, "Hilbert-Huang based approach for structural damage detection", Journal of Engineering Mechanics, Vol. 130, NO. 1, January 2004, pp. 85 – 95.
[3] D. Pines, and L. Salvino, "Structural health monitoring using empirical mode decomposition and the Hilbert phase", Journal of Sound and Vibration, Vol. 294, NO. 1-2, June 2006, pp. 97 – 124.
[4] E. Douka, and L. J. Hajileontiadis, "Time-frequency analysis of the free vibration response of a beam with a breathing crack", NDE&E International, Vol. 38, NO. 1, January 2005, pp. 3 – 10.
[5] S. Loutridis, E. Douka, and L. J. Hajileontiadis, "Forced vibration and crack detection of cracked beams using instantaneous frequency", NDE&E International, Vol. 38, NO. 5, July 2005, pp. 411 – 419.
[6] A. Hera, A. Shinde, and Z. Hou, "A comparative study of the Empirical Mode Decomposition and Wavelet analysis on their application for structural health monitoring", Proceedings of ASME International Mechanical Engineering Congress and Exposition, USA, California, Anaheim, November 2004, pp. 449 –458.
[7] N. Cheraghi, M. J. Riley, and F. Taheri, "A novel approach for detection of damage in adhesively bonded joints in plastic pipes based on vibration methods using piezoelectric sensors", Proceedings of the IEEE International Conference on Systems, Man and Cybernetics, USA, Hawaii, Vol. 4, October 2005, pp. 3472 – 3478.
[8] N. Cheraghi, M. J. Riley, and F. Taheri, "Application of Hilbert-Huang Transform for evaluation of vibration characteristics of plastic pipes using piezoelectric sensors", Structural Engineering Mechanics, Vol. 25, NO. 6, 2007, pp. 653 – 674.
[9] Q. Gao, C. Duan, H. Fan, and Q. Meng, "Rotating machine fault diagnosis using Empirical Mode Decomposition", Journal of Mechanical System and Signal Processing, Vol. 22, NO. 5, July 2008, pp. 1072 – 1081.
[10] F. L. Iacono, G. Navarra, and A. Pirrotta, "A damage identification procedure based on Hilbert Transform: experimental validation", IEEE Transactions on Energy Conversion, Vol. 19, NO. 1, February 2012, pp. 146 – 160.
[11] P. Razi, R. A. Esmaeel, and F. Taheri, "Application of a robust vibration-based non-destructive method for detection of fatigue cracks in structures", Journal of Smart Materials and Structures, Vol. 20, NO. 11, October 2011, pp. 1 – 12.
[12] J. N. Yang, Y. Lei, S. Pan, and N. E. Huang, "System identification of linear structures based on Hilbert-Huang spectral analysis part I: normal modes", Earthquake Engineering and Structural Dynamics, Vol. 32, NO. 9, July 2003, pp. 1443 – 1467.
[13] C. C. Chang, and L. W. Chen, "Vibration damage detection of a Timoshenko beam by spatial Wavelet based approach", Applied Acoustics, Vol. 64, NO. 12, December 2003, pp. 1217 – 1240.
[14] H. Tada, P. C. Paris, and G. R. Irwin, "The stress analysis of cracks handbook", 3rd Ed., ASME Press, New York, USA, 2000.
)