URI
Think Big, We Do.
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Publications

patents

  1. US Patent No. 6,567,752 B2, “General Method for Tracking the Evolution of Hidden Damage or Other Unwanted Changes in Machinery Components and Predicting Remaining Useful Life,” with Cusumano, J. P. and Chatterjee, A., Penn State University Invention Disclosure No. 2002-2208, 2003.
  2. USSR Patent No. 1,814,970, “Supporting-Guiding Unit for Long-sized Part Transportation,” with Khachidze, N. A., Chelidze, G. D. and Khachidze, V. N., Georgian Technical University Invention Disclosure No. 4824161, Bul.Iz., No. 18, 1993.

refereed journal articles

  1. Gedikli E., Chelidze D., and Dahl J. Observed mode shape effects on the vortex-induced vibration of bending dominated flexible cylinders. Journal of Fluids and Structures, 81:399–417, 2018a. (doi: 10.1016/j.jfluidstructs.2018.05.010) PDF
  2. Ilbeigi S. and Chelidze D. A new approach to model reduction of nonlinear control systems using smooth orthogonal decomposition. International Journal of Robust and Nonlinear Control, 28:4367–4381, 2018. (doi: 10.1002/rnc.4238) PDF
  3. David Chelidze, 2017, Reliable Estimation of Minimum Embedding Dimension Through Statistical Analysis of Nearest Neighbors. Computational and Nonlinear Dynamics, Vol. 12, No. 5, pp. 051024–12, July 2017. (doi: 10.1115/1.4036814PDF
  4. Shahab Ilbeigi and David Chelidze, 2017, Persistent model order reduction for complex dynamical systems using smooth orthogonal decomposition. Mechanical Systems and Signal Processing, Vol. 96, pp. 125–138. (doi: 10.1016/j.ymssp.2017.04.005) PDF
  5. Son Hai Nguyen and David Chelidze, 2016, Dynamic Model for Fatigue Evolution in a Cracked Beam Subjected to Irregular Loading. Journal of Vibration and Acoustics, Vol. 139, No. 1, 014502. (6 pages, doi: 10.1115/1.4035112) PDF
  6. Son Hai Nguyen and David Chelidze, 2015, New invariant measures to track slow parameter drifts in fast dynamical systems. Nonlinear Dynamics, Vol. 79, No. 2, pp. 1207–1216, 2015. (doi: 10.1007/s11071-014-1737-y) PDF
  7. David B Segala and David Chelidze, 2014, Robust and dynamically consistent model order reduction for nonlinear dynamic systems. Journal of Dynamic Systems, Measurement and Control, Vol. 137, No. 2, 021011. (doi: 10.1115/1.4028470) PDF
  8. Michael Falco, Ming Liu, Son Hai Nguyen, and David Chelidze, 2014, A new fatigue testing rig based on inertial forces. Journal of Vibration and Acoustics, Vol. 136, No. 4, 041001. (doi: 10.1115/1.4027317) PDF
  9. Son Hai Nguyen, Mike Falco, Ming Liu, and David Chelidze., 2013, Different fatigue dynamics under statistically and spectrally similar deterministic and stochastic excitations. Journal of Applied Mechanics, Vol. 81, No. 4, 0410004. (doi: 10.1115/1.4025138) PDF
  10. David Chelidze. “Smooth local subspace projection for nonlinear noise reduction.” Chaos: An Interdisciplinary Journal of Nonlinear Science, 24(1):013121, 2014. (doi: 10.1063/1.4865754) PDF
  11. Segala, D.B., Gates, D.H., Dingwell, J.B., and Chelidze, D., 2011, “Nonlinear smooth orthogonal decomposition of kinematic features of sawing reconstructs muscle fatigue evolution as indicated by electromyography,” Journal of Biomechanical Engineering, Vol. 133, 031009(1–10). (doi: 10.1115/1.4003320) PDF
  12. Kuehl, J. and Chelidze, D., 2010, “Identifying invariant manifold using phase space warping and stochastic interrogation,” International Journal of Non-Linear Mechanics, Vol. 45, No. 1, pp. 42–55. (doi:10.1016/j.ijnonlinmec.2009.09.001) PDF
  13. Schiffman, J.M., Chelidze, D., Adams, A., Segala, D.B. and Hasselquis, L., 2009, “Nonlinear analysis of gait kinematics to track oxygen consumption in prolonged load carriage walking: a pilot study,” Journal of biomechanics, Vol. 42, No. 13, pp.2196–2199. (doi:10.1016/j.jbiomech.2009.06.011) PDF
  14. Song, M., Segala, D.B., Chelidze, D. and Dingwell, J.B., 2009, “Slow-time changes in human muscle fatigue are fully represented in movement kinematics,” Journal of Biomechanical Engineering, Vol. 131, 021004(1–11). (doi:10.1115/1.3005177) PDF
  15. Liu, M. and Chelidze, D., 2008, “Atomic force microscope based on chaotic motion,”  International Journal of Non-linear Mechanics, Vol. 43, No. 6, pp. 521–526. (doi:10.1016/j.ijnonlinmec.2008.03.001) PDF
  16. Zhou, W. and Chelidze, D., 2008, “Generalized eigenvalue decomposition in time domain modal parameter identification,” Journal of Vibration & Acoustics, Vol. 130, No. 1, pp. 011001(1–6). (doi:10.1115/1.2775509) PDF
  17. Chelidze, D. and Liu, M., 2008, “Reconstructing slow-time dynamics from fast-time measurements,” Invited paper, Philosophical Transaction of the Royal Society A, Vol. 366, pp. 729–7445. (doi:10.1098/rsta.2007.2124) PDF
  18. Zhou, W. and Chelidze, D., 2007, “Blind source separation based vibration modal identification,” Mechanical Systems & Signal Processing, Vol. 21, No. 6, pp. 3072–3087. (doi:10.1016/j.ymssp.2007.05.007) PDF
  19. Dingwell, J., Napolitano, D.F., and Chelidze, D., 2006, “A nonlinear approach to tracking slow-time-scale changes in movement kinematics,” Journal of Biomechanics, Vol. 40, pp. 1629–1634. (doi:10.1016/j.jbiomech.2006.06.019) PDF
  20. Liu, M. and Chelidze, D., 2006, “Identifying damage using local flow variation method,” Smart Materials & Structures, Vol. 15, No. 6, pp.1830–1836. (doi:10.1088/0964-1726/15/6/037) PDF
  21. Chelidze, D. and Cusumano, J.P., 2006, “Phase Space Warping: Nonlinear Time Series Analysis for Slowly Drifting Systems,” Philosophical Transactions of the Royal Society A, Vol. 364, pp. 2495-–2513. (doi:10.1098/rsta.2006.1837) PDF
  22. Chelidze, D. and Liu, M., 2006, “Multidimensional damage identification based on phase space warping: an experimental study,” Nonlinear Dynamics, Vol. 46, No. 1-2, pp. 61–72. (doi:10.1007/s11071-005-9007-7) PDF
  23. Chelidze, D. and Zhou, W., 2006, “Smooth orthogonal decomposition based modal analysis,” Journal of Sound and Vibration, Vol. 292, No. 3-5, pp. 461–473. (doi:10.1016/j.jsv.2005.08.006) PDF
  24. Chelidze, D. and Liu, M., 2005, “Dynamical Systems Approach to Fatigue Damage Identification,” Journal of Sound and Vibration, Vol. 281, No. 3-5, pp. 887–904. (doi:10.1016/j.jsv.2004.02.017) PDF
  25. Chelidze, D., 2004, “Identifying Multidimensional Damage in a Hierarchical Dynamical System,” Nonlinear Dynamics, Vol. 37, No. 4, pp. 307–322. (doi:10.1023/B:NODY.0000045546.02766.ad) PDF
  26. Chelidze, D., and Cusumano, J.P., 2004, “A Dynamical Systems Approach to Failure Prognosis,” Journal of Vibration & Acoustics, Vol. 126, No. 1., pp. 1–7. (doi:10.1115/1.1640638) PDF
  27. Chelidze, D., Cusumano, J.P., and Chatterjee, A., 2002, “Dynamical Systems Approach to Damage Evolution Tracking, Part 1: Description and Experimental Application,” Journal of Vibration & Acoustics, Vol. 124, No. 2, pp. 250–257. (doi:10.1115/1.1456908) PDF
  28. Cusumano, J.P., Chelidze, D., and Chatterjee, A., 2002, “Dynamical Systems Approach to Damage Evolution Tracking, Part 2: Model-Based Validation and Physical Interpretation,” Journal of Vibration & Acoustics, Vol. 124, No. 2, pp.258–264. (doi:10.1115/1.1456907) PDF
  29. Chatterjee, A., Cusumano, J. P., and Chelidze, D., 2002, “Optimal Tracking of Parameter Drift in a Chaotic System: Experiment and Theory,” Journal of Sound & Vibration, Vol. 250, No. 5, pp. 877–901. (doi:10.1006/jsvi.2001.3963) PDF

book chapters

  1. Cusumano, J. P., and Chelidze, D., 2004, “Phase Space Warping: A Dynamical Systems Approach to Diagnosis and Prognosis,” IUTAM Symposium on Chaotic Dynamics and Control of Systems and Processes in Mechanics, Rega, G. and Vestroni F., eds., Springer, AA Dordrecht, The Netherlands, pp. 183–192. PDF
  2. Cusumano, J. P., Chelidze, D., and Chatterjee, A., 1999, “A Nonlinear Observer for Damage Evolution Tracking,” Integrating Dynamics, Condition Monitoring and Control for the 21st Century, Starr, A. G., Laung, A. Y. T., Wright, J. R., and Sandoz, D. J., eds., A.A. Balkema, Rotterdam, Brookfield, pp. 61–68.

refereed proceedings

  1. Shahab Ilbeigi and David Chelidze, 2015, “Proper and Smooth Orthogonal Decomposition-Based, Model-Order Reduction for Complex Systems,” Minisymposium on Model and Solution Reduction Methods for Direct and Inverse Problems in Computational Mechanics, 13th US National Congress on Computational Mechanics, San Diego, California, July 26–30, 2015.
  2. Shahab Ilbeigi and David Chelidze, 2015, “Model Order Reduction of Nonlinear Euler- Bernoulli Beam,” Nonlinear Dynamics, Volume 1: Proceedings of the 33rd IMAC, A Conference and Exposition on Structural Dynamics, Rosen Plaza Hotel, Orlando, Florida USA, February 1–5, 2015.
  3. David Chelidze, 2014, “Statistical characterization of nearest neighbors to reliably estimate minimum embedding dimension,” ASME 2014 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2014, August 17–20, 2014, Buffalo, New York, USA. DETC2014-34746
  4. David Chelidze, 2014, “Identifying Robust Subspaces for Dynamically Consistent Reduced-Order Models,” Nonlinear Dynamics, Volume 2: Proceedings of the 32nd IMAC, A Conference and Exposition on Structural Dynamics, Rosen Plaza Hotel, Orlando, Florida USA, February 3–6, 2014.
  5. David B. Segala and David Chelidze, 2013, “Robust and Dynamically Consistent Reduced Order Models,” Proceedings of the ASME 2013 International Mechanical Engineering Congress & Exposition IMECE 2013, November 15–21, 2013, San Diego, USA. IMECE2013-62522
  6. Son Hai Nguyen and David Chelidze, 2013, “Coupled Field Dynamic Model of Fatigue Evolution in Structures,” Proceedings of the ASME 2013 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2013, August 4–7, 2013, Portland, Oregon, USA. DETC2013-13365
  7. David Chelidze, 2013, “Smooth Robust Subspace Based Model Reduction,” Proceedings of the ASME 2013 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2013, August 4–7, 2013, Portland, Oregon, USA. DETC2013-13333
  8. Son Hai Nguyen and David Chelidze, 2013, “Smooth Projective Nonlinear Noise Reduction,” Proceedings of the ASME 2013 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2013 August 4–7, 2013, Portland, Oregon, USA. DETC2013-13344
  9. David Chelidze, Son Hai Nguyen, Mike Falco, and Ming Liu, 2013, “Fatigue dynamics under statistically and spectrally similar deterministic and stochastic excitations,” Topics in Nonlinear Dynamics – Proceedings of the IMAC XXXI, A Conference on Structural Dynamics, February 11–14, 2013, Garden Grove, California, USA, Vol. 1, pp. 125–133.
  10. David Chelidze, 2012, “Smooth projective noise reduction for nonlinear time series,” Topics in Nonlinear Dynamics – Proceedings of the IMAC XXXI, A Conference on Structural Dynamics, February 11–14, 2013, Garden Grove, California, USA, Vol. 1, pp. 77–83.
  11. Son Hai Nguyen, Mike Falco, Ming Liu, and David Chelidze, 2012, “Characterization of fatigue dynamics under deterministic and stochastic excitation,” Proceedings of the ASME 2012 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, August 12-15, 2012, Chicago, IL, USA, DETC2012-71228.
  12. Son Hai Nguyen and David Chelidze, 2012, “Characteristic lengths and distances–fast and robust features for nonlinear time series,” Proceedings of the ASME 2012 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, August 12-15, 2012, Chicago, IL, USA, DETC2012-71281.
  13. Michael Falco, Ming Liu, and David Chelidze, 2010, “A new fatigue testing apparatus model and parameter identification,” Proceedings of the ASME 2010 International Design Engineering Technical Conferences, August 15–18, 2010, Montreal, Quebec, Canada.
  14. David B. Segala, David Chelidze, Deanna Gates, and Jonathan Dingwell, 2010, “Linear and nonlinear smooth orthogonal decomposition to reconstruct local fatigue dynamics: a comparison,” Proceedings of the ASME 2010 International Design Engineering Technical Conferences, August 15–18, 2010, Montreal, Quebec, Canada.
  15. David B. Segala, David Chelidze, Jeffrey M. Schiffman, Deanna Gates, Jonathan Dingwell, 2009, “Tracking Muscle Fatigue Markers Through Nonlinear and Multivariate Analysis of Motion Kinematics,” Proceedings of ASME International Mechanical Engineering Congress and Exposition, November 13–19, Lake Buena Vista, Florida.
  16. David Chelidze, 2009, “Nonlinear Normal Mode Embedding for Model Reduction,” Euromech Colloquium 503: Nonlinear Normal Modes, Model Reduction and Localization, September 27 — October 1, Frascati-Rome, Italy.
  17. David B. Segala, David Chelidze, Deanna Gates, Jonathan Dingwell, 2009, “Dynamical Analysis of Sawing Motion Tracks Muscle Fatigue Evolution,” Proceedings of the ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, August 30 — September 2, San Diego, California.
  18. Albert Adams, Jeffrey M. Schiffman, David B. Segala, David Chelidze, Leif Hasselquist, 2009, 09-SA-2231-ACSM, “Nonlinear Analysis Of Gait Kinematics To Track Changes In Oxygen Consumption In Prolonged Load Carriage,” American College of Sports Medicine Annual Meeting, Seattle, Washington, May 27–30, 2009.
  19. Joseph Kuehl and David Chelidze, 2008, IMECE2008-67473, “Invariant Manifold Identification from Phase Space Trajectories,” 2008 ASME International Mechanical Engineering Congress and Exposition, Boston, Massachusetts, October 31 — November 6, 2008
  20. David Chelidze, David B. Segala, Albert Adams, Jeffrey M. Schiffman, Louis Piscitelle, Leif Hasselquist, 2008, IMECE2008-67329, “Identifying physiological fatigue in prolonged load carriage walking using phase space warping and smooth orthogonal decomposition,” 2008 ASME International Mechanical Engineering Congress and Exposition, Boston, Massachusetts, October 31 — November 6, 2008
  21. Song, M., Segala, D.B., Dingwell, J.B. and Chelidze, D., 2007, “Slow-time changes in human muscle fatigue are fully represented in movement kinematics,” ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, September 4–7, 2007, Las Vegas, Nevada, USA.
  22. Liu, M. and Chelidze, D., 2007, “Chaotic Atomic-Force Microscope,” 21st Canadian Congress of Applied Mechanics, Toronto, Ontario, Canada June 3–7, 2007.
  23. Chelidze, D., 2007, “Nonlinear Model Reduction Based on Smooth Orthogonal Decomposition,” Proceedings of IASTED International Conference on Modern Nonlinear Theory, Montreal, Quebec, Canada, May 30 — June 1, 2007.
  24. Zou, W. and Chelidze, D., 2006, “Generalized eigenvalue decomposition in time domain modal parameter identification,” Proceedings of Proceedings of IMECE2006: 2006 ASME International Mechanical Engineering Congress and Exposition, November 5–10, 2006, Chicago, Illinois, US.
  25. 1. Zhou, W. and Chelidze, D., 2006, “SOD based modal parameters extraction for distributed-parameter vibration system,” Proceedings of the 2006 SEM Annual Con- ference & Exposition, June 4–7, 2006, St. Louis, Missouri, Vol. 2, pp. 794–803.
  26. Liu, M. and Chelidze, D., 2006, “Identifying fatigue damage under varying environmental conditions,” Proceedings of the em 2006 SEM Annual Conference & Exposition, June 4–7, 2006, St. Louis, Missouri, Vol. 2, pp. 620–626.
  27. Liu, M. and Chelidze, D., 2005, “Local flow variation method for damage identification,” Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference – DETC2005: 20th Biennial Conf. on Mechanical Vibrations and Noise, 1 C, September 24–28, 2005, Long Beach, California, USA, DECT2005, Vol. 1 (Part B), pp. 1663–1668.
  28. Chelidze, D. and Zhou, W., 2005, “A new method for vibration mode analysis,” Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference – DETC2005: 20th Biennial Conf. on Mechanical Vibrations and Noise, 1 C, September 24–28, 2005, Long Beach, California, USA, pp. 1899–1905.
  29. Liu, M. and Chelidze, D., 2005, “Flow variance method for damage identification,” Proceedings of SPIE, 5764, Smart Structures and Materials 2005 – Smart Structures and Integrated Systems, San Diego, California, March 6–10, 2005, pp. 553–558.
  30. Chelidze, D. and Liu, M., 2004, “Phase space warping based multi-modal damage identification: an experimental study,” Proceedings of 2004 ASME International Mechanical Engineering Congress, Anaheim, California, USA, Novembers 13–19, 2004, IMECE2004-60246.
  31. Chelidze, D., 2003, “Multidimensional hidden slow variable tracking in a hierarchical dynamical system,” the Proceedings of the ASME Dynamics Systems and Control Division—DSC, 72(2), ASME International Mechanical Engineering Congress and Exposition, Washington, DC, November 16–21, 2003,pp. 1079–1086.
  32. Chelidze, D., 2003, “Dynamical systems approach to material damage diagnosis,” the Proceedings of the 2003 ASME Design Engineering Technical Conferences and Computers and Information in Engineering Conference: 19th Biennial Conf. on Mechanical Vibrations and Noise, 5 B, Chicago, IL, September 2–6, 2003, pp. 1263–1270.
  33. Chelidze, D., 2002, “Multimode failure tracking and prognosis in electromechanical system,” Proceedings of SPIE: Component and Systems Diagnostics, Prognostics, and Health Management II, P. K. Willett, and T. Kirubarajan, eds., 4733, pp. 1–12.
  34. Chelidze, D., Cusumano, J. P., and Chatterjee, A., 2001, “Failure prognosis using nonlinear short-time prediction and multi-time scale recursive estimation,” Proceedings of the ASME Design Engineering Technical Conference: 18th Biennial Conference on Mechanical Vibration and Noise, 6 A, Sep 9–12 2001, Pittsburgh, PA, pp. 901–910.
  35. Chelidze, D., Cusumano, J. P., and Chatterjee, A., 2001, “Procedure for tracking damage evolution and predicting remaining useful life with application to an elec- tromechanical experimental system,” Proceedings of SPIE: Component and Systems Diagnostics, Prognostics, and Health Management, P.K. Willett, and T. Kirubarajan, eds., 4389, pp. 12–22.
  36. Chelidze, D., Cusumano, J. P., and Chatterjee, A., 1999, “Hidden variable tracking: formulation and analysis of a mathematical model,” the Proceedings of the 1999 ASME Design Engineering Technical Conferences: 17th Biennial Conference on Mechanical Vibration and Noise, September 12–16, Las Vegas, Nevada, pp. 2769–2779.
  37. Chatterjee, A., Cusumano, J. P., and Chelidze, D., 1998, “Tracking parameter drift in a vibro-impact system,” Proceedings of the International Symposium on Impact and Friction of Solids, Structures and Intelligent Machines, June 27–30, 1998, Ottawa, Canada, pp. 159–162.
  38. Cusumano, J. P., Chelidze, D., and Chatterjee, A., 1997, “Experimental application of a method for hidden parameter tracking in a slowly changing, chaotic system,” Emerg- ing Technologies for Machinery Health Monitoring and Prognosis, Cowan, R.S., editor, the Proceedings of the 1997 ASME International Mechanical Engineering Congress and Exhibition, November 16–21, Dallas, TX, TRIB, 7, pp. 45–54.
  39. Cusumano, J. P., Chelidze, D., and Hecht, N. K., 1997, “Using phase space reconstruction to track parameter drift in a nonlinear system,” the Proceedings of the ASME Design Engineering Technical Conferences: 16th Biennial Conference on Mechanical Vibrations and Noise, September 14–17, Sacramento, CA, DETC97/VIB-4012, 7 pp. on CDROM.
  40. Chelidze, D., Farhang, K., and Selstad, T. J., 1995, “Vibration response and parametric stability in beams with combined quadratic and cubic nonlinearities,” Vibration of Nonlinear, Random and Time-Varying Systems, DE, 84(3 Pt A/1), pp. 31–42.
  41. Selstad, T. J., Farhang, K., and Chelidze, D., 1995, “Vibration control of a beam em- bedded with an electrorheological fluid,” Vibration of Nonlinear, Random and Time-Varying Systems, DE-84(3 Pt A/1), pp. 415–424.

proceedings reviewed by abstract

  1. David Chelidze, 2015, “Statistical Analysis of Nearest Neighbors Leads to Robust and Reliable Estimates for Minimum Embedding Dimension,” CHAOS 2015, 8th Chaotic Modeling and Simulation International Conference, May 26–29, 2015, Henri Poincaré Institute, Paris, France.
  2. David Chelidze, Son Hai Nguyen, Mike Falco, and Ming Liu, 2013, “Fatigue accu- mulation under chaotic loading is slower than under statistically and spectrally sim- ilar stochastic excitation,” SIAM Conference on Applications of Dynamical Systems, MS63, May 9–10, 2013, Snowbird, UT, pp. 175.
  3. Chelidze, D., 2012, “Dynamical systems approach to motion analysis and to tracking the associated physiologic processes,” Device-enabled measurement of health behaviors in real-time (SY17), Society 33rd Annual Meeting & Scientific Sessions of the Society of Behavioral Medicine, April 11-14, 2012, New Orleans, Louisiana.
  4. Chelidze, D., Liu, M., and Falco, M., 2011, “Rational models & dynamical characteri- zation of fatigue using phase space warping & smooth orthogonal decomposition,” NSF CMMI Engineering Research and Innovation Conference 2011, January 4–7, Atlanta, Georgia.
  5. Segala, D. B., Gates, D., Dingwell, J. B., and Chelidze, D., 2010, “Nonlinear smooth orthogonal decomposition identifies local muscle fatigue dynamics in sawing motion,” Poster, the 34th Annual Meeting of the American Society of Biomechanics, August 18 – 21, 2010, Providence, Rhode Island.
  6. Segala, D.B., Chelidze, D., Gates, D., and Dingwell, J.B., 2010, “Nonlinear smooth orthogonal decomposition of sawing motion kinematics features identifies local muscle fatigue dynamics,” the 16th US National Congress of Theoretical and Applied Mechanics, June 27-July 2, 2010, State College, Pennsylvania, USNCTAM2010-904.
  7. Liu, M. and Chelidze, D., 2010, “A multi-parameter chaotic sensor based on magnetoelastic resonance,” the 16th US National Congress of Theoretical and Applied Mechanics, June 27-July 2, 2010, State College, Pennsylvania, USNCTAM2010-742.
  8. Chelidze, D., 2009, “Rational Models & Dynamical Characterization of Fatigue using Phase Space Warping & Smooth Orthogonal Decomposition,” NSF CMMI Engineering Research and Innovation Conference 2009, June 22–25, Honolulu, Hawaii.
  9. Kuehl, J. and Chelidze, D., 2008, “Invariant manifold identification from phase space trajectories,” IACM/ECCOMAS Congress 2008, June 29 – July 4, Venice, Italy.
  10. Kuehl, J. and Chelidze, D., 2008, “Invariant manifold identification from phase space trajectories,” 12th conference on nonlinear vibrations, stability, and dynamics of structures, June 1–4, 2008, Blacksburg, VA.
  11. Adams, A., Schiffman, J.M., Segala, D.B., Chelidze, D., and Hasselquist, L., 2008, “Nonlinear Analysis Of Gait Kinematics To Track Changes In Oxygen Consumption In Prolonged Load Carriage,” ACSM Annual Meeting, May 27–30, 2008, Seattle, Washington.
  12. Chelidze, D., 2008, “Phase Space Warping and Smooth Orthogonal Decomposition Based Diagnosis and Prognosis of Machines and Humans,” Poster, NSF CMMI Engineering Research & Innovation Conference, Knoxville, TN, January 7–10, 2008.
  13. Dingwell, J.B., Song, M., Segala, D.B. and Chelidze, D., 2007, “Tracking slow-time-scale changes in human muscle fatigue from movement kinematics,” Symposium on Musculoskeletal Biomechanics, 44th Annual Technical Meeting Society of Engineering Science, October 21–-24, 2007.
  14. Dingwell, J.B., Song, M., Segala, D.B. and Chelidze, D., 2007, “Predicting slow changes in muscle fatigue from kinematics,” Annual Meeting of the American Society of Biomechanics, August 22–25, 2007, Stanford University in Stanford, California.
  15. Zou, W. and Chelidze, D., 2007, “Blind Source Separation Based Vibration Mode Identification,” IMAC XXV Conference, Rosen Shingle Creek Resort and Golf Club Orlando, Florida, February 19–22, 2007.
  16. Dingwell, J. B., Napolitano, D. F., and Chelidze, D., 2006, “Tracking slow-time-scale changes in human locomotion,” Proceedings of the 5th World Congress of Biomechanics, July 29 — August 6, 2006, Munich, Germany.
  17. Dobrot, L. and Chelidze, D., 2006, “Damage identification based on transitional probabilities,” 11th conference on nonlinear vibrations, stability, and dynamics of structures, August 13-16, 2006, Blacksburg, VA.
  18. Liu, M. and Chelidze, D., 2006, “A new type atomic force microscope based on chaotic motions,” 11th conference on nonlinear vibrations, stability, and dynamics of structures, August 13-16, 2006, Blacksburg, VA.
  19. Chelidze, D. and Lugmair, M., 2006, “Damage tracking in variable environmental conditions,” Thirteenth International Congress on Sound and Vibration (ICSV13), July 2–6, 2006, Vienna, Austria.
  20. Zhou, W. and Chelidze, D., 2006, “Modal parameter extraction for continuous vibration system,” 2006 SEM Annual Conference & Exposition, June 4–7, 2006, St. Louis, Missouri.
  21. Liu, M. and Chelidze, D., 2006, “Identifying fatigue damage under varying environmental conditions,” 2006 SEM Annual Conference & Exposition, June 4–7, 2006, St. Louis, Missouri.
  22. Liu, M. and Chelidze, D., 2006, “A new type atomic force microscope based on chaotic motions,” 2006 SEM Annual Conference & Exposition, June 4–7, 2006, St. Louis, Missouri.
  23. Chelidze, D. and Liu, M., 2005, “A slow-time phase space reconstruction based on a smooth orthogonal decomposition,” Symposium on Dynamics, Recent Advances in Nonlinear Mechanics, The Institute of Mathematics and its Applications, Aberdeen, Great Britain, August 31 — September 1, 2005.
  24. Chelidze, D., 2005, “Smooth orthogonal decomposition based model reduction,” Reduced-order modeling, ENOC-2005, fifth EUROMECH Nonlinear Dynamics Conference, Eindhoven, The Netherlands, August 7–12, 2005.
  25. Chelidze, D., Liu, M., Napolitano, D.F., and Dingwell, J.B., 2005, ”Smooth orthogonal decomposition based reconstruction of a slow-time phase space trajectory,” Time series and reconstruction, ENOC-2005, fifth EUROMECH Nonlinear Dynamics Conference, Eindhoven, The Netherlands, August 7–12, 2005, 8 pp. on CD-ROM.
  26. Dingwell, J.B., Napolitano, D.F., and Chelidze, D., 2005, “Tracking slow-time-scale changes in movement coordination,” Proceedings of the XXth Congress of the International Society of Biomechanics, Cleveland, OH, August 1-5, 2005, pg. 410.
  27. Chelidze, D., and Liu, M., 2005, “Slow-time damage trajectory reconstruction based on smooth orthogonal decomposition,” MS64: Nondestructive system health monitoring, SIAM Conference on Applications of Dynamical Systems, Snowbird, UT, May 22–26, 2005.
  28. Chelidze, D. and Zhou, W., 2005, “Smooth orthogonal decomposition based vibration mode analysis,” IMAC-XXII Conference & Exposition on Structural Dynamics, Technical Theme: Structural Health Monitoring, Orlando, Florida, January 31 — February 3, 2005, 8 pp. on CDROM.
  29. Liu, M. and Chelidze, D., 2005, “Flow variance based damage identification,” IMAC-XXII Conference & Exposition on Structural Dynamics, Technical Theme: Structural Health Monitoring, Orlando, Florida, January 31 — February 3, 2005, 9 pp. on CDROM.
  30. Taggart, D. G., Chelidze, D., Palm, W. J., and Kim, T. J., 2003, “Application of Abrasive Waterjet Machining in Undergraduate Engineering Courses,” Proceeding of 2003 WJTA American Waterjet Conference, August 17–19, 2003, Houston, Texas, CD-ROM.
  31. Hartt, K., and Chelidze, D., 2003, “A Study of Measurement Noise in Chaotic Signals,” Extracting Salient Features of Embedded Time Series with Applications to Health Monitoring, 2003 SIAM Conference on Applications of Dynamical Systems, Symposium MS21, May 27, 2003.
  32. Cusumano, J. P. and Chelidze, D., 2003, “Phase Space Warping: A Dynamical Systems Approach to Diagnostics and Prognostics,” Invited Paper, IUTAM Symposium on Chaotic Dynamics and Control of Systems and Processes in Mechanics, Booklet of Abstracts, June 8–13, 2003, Rome, Italy, pp. 37–38.
  33. Hartt, K., and Chelidze, D., 2002, “Detecting Measurement Noise in Chaotic Signals,” Dynamical Systems Methods for Advanced Diagnostics and Prognostics, Proceedings of the 39th Annual Technical Meeting of SES, October 13–16, 2002, State College, Pennsylvania, pp. 6-2.
  34. Chelidze, D., and Cusumano, J.P., 2002, “Phase Space Warping: A General Approach to Machinery Diagnosis and Prognosis,” Dynamical Systems Methods for Advanced Diagnostics and Prognostics, Proceedings of the 39th Annual Technical Meeting of SES, October 13–16, 2002, State College, Pennsylvania, pp. 6-4.
  35. D. Chelidze, 2002, “Multimode Failure Tracking and Prognosis in Experimental Electromechanical System,” Component and Systems Diagnostics, Prognostics, and Health Management II, P. K. Willett, and T. Kirubarajan, eds., Proceedings of SPIE, Vol. 4733, pp. 1–10.
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  38. Chelidze, D., Cusumano, J. P., and Chatterjee, A., 2000, “A Nonlinear State Space Approach to Tracking Damage Evolution: Experimental Application to a Gearbox,” Improving Productivity Through Applications of Condition Monitoring, Pusey, H. C., and Pusey, S. C., eds., The Proceedings of the 54th Meeting of the Society for Machinery Failure, Prevention Technology, Virginia Beach, VA, May 1–4, 2000, pp. 63–72.
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