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Dr Wade Smith
Senior Lecturer

Dr Wade Smith

Engineering
Mechanical and Manufacturing Engineering

Wade Smith is a Research Fellow with the School of Mechanical and Manufacturing Engineering. He is a member of the WAVES group (Wear, Aeroacoustics and Vibration in Engineering Systems) and works in the Tribology and Machine Condition Monitoring laboratory.

Research interests

  • Vibration-based diagnostics of rotating machinery, including variable speed applications
  • Prognostics of rotating machinery
  • Gear wear monitoring and prediction using vibration, acoustic emissions and transmission error analysis
  • Simulation and modelling of rotating machines for diagnostic applications
  • Signal processing of machine vibration signatures, in particular using cyclostationarity
  • Operational modal analysis using the cepstrum, with applications in structural health monitoring

Current PhD/Masters projects

  • Gear diagnostics in a planetary gearbox using an internal sensor
  • Gear wear monitoring and prediction
  • Sliding contact-induced vibration
  • Transmission-error-based gear diagnostics
  • Bearing prognostics

Potential upcoming PhD/Masters projects

We are always on the lookout for talented research students. If you are interested in undertaking a PhD or Masters project in our group, please contact me to discuss the matter further.

Research Facilities

The Tribology and Machine Condition Monitoring laboratory is equipped with a wide range of research facilities, including:

  • two gearbox test rigs (one planetary, one parallel)
  • a rolling element bearing test rig
  • an engine test rig
  • a friction rig
  • a tribometer
  • a high quality microscope
  • extensive instrumentation (e.g., frequency analysers, accelerometers, acoustic emissions sensors, shaft encoders, etc.)
  • access to other UNSW image acquisition equipment, such as laser scanning confocal microscopes, scanning electron microscopes and atomic force microscopes

 Current and recent research collaborations
E-mail
wade.smith@unsw.edu.au
  • Book Chapters | 2020
    Mailey L; Borghesani P; Smith WA; Wang W; Peng Z, 2020, 'A New Approach to Automated Bearing Fault Severity Assessment Using Deep-Learning', in Advances in Asset Management and Condition Monitoring, Springer International Publishing, pp. 1091 - 1104, http://dx.doi.org/10.1007/978-3-030-57745-2_90
    Book Chapters | 2019
    Mauricio A; Qi J; Smith W; Randall R; Gryllias K, 2019, 'Vibration Based Condition Monitoring of Planetary Gearboxes Operating Under Speed Varying Operating Conditions Based on Cyclo-non-stationary Analysis', in Mechanisms and Machine Science, Springer, pp. 265 - 279, http://dx.doi.org/10.1007/978-3-319-99268-6_19
    Book Chapters | 2019
    Mauricio A; Smith W; Qi J; Randall R; Gryllias K, 2019, 'Cyclo-non-stationary based bearing diagnostics of planetary gearboxes', in Advances in condition monitoring of machinery in non-stationary operations : proceedings of the 6th International Conference on Condition Monitoring of Machinery in Non-Stationary Operations, CMMNO'2018, 20-22 June 2018, Santander, Spain, pp. 343 - 352, http://dx.doi.org/10.1007/978-3-030-11220-2_35
    Book Chapters | 2019
    Peng D; Smith WA; Randall RB, 2019, 'Differentiating Tooth Root Cracks and Spalls in Planet Gears from Changes in the Transmission Error', in Mechanisms and Machine Science, pp. 280 - 289, http://dx.doi.org/10.1007/978-3-319-99268-6_20
    Book Chapters | 2019
    Randall RB; Smith W, 2019, 'A comparison of frequency demodulation methods to determine the instantaneous angular speed of a machine', in Advances in condition monitoring of machinery in non-stationary operations : proceedings of the 6th International Conference on Condition Monitoring of Machinery in Non-Stationary Operations, CMMNO'2018, 20-22 June 2018, Santander, Spain, pp. 290 - 299, http://dx.doi.org/10.1007/978-3-030-11220-2_30
  • Journal articles | 2023
    Chin ZY; Borghesani P; Smith WA; Randall RB; Peng Z, 2023, 'Monitoring gear wear with transmission error', Wear, 523, pp. 204803 - 204803, http://dx.doi.org/10.1016/j.wear.2023.204803
    Journal articles | 2023
    Lu R; Borghesani P; Randall RB; Smith WA; Peng Z, 2023, 'Removal of transfer function effects from gear vibration signals under constant and variable speed conditions', Mechanical Systems and Signal Processing, 184, http://dx.doi.org/10.1016/j.ymssp.2022.109714
    Journal articles | 2022
    Borghesani P; Smith WA; Randall RB; Antoni J; El Badaoui M; Peng Z, 2022, 'Bearing signal models and their effect on bearing diagnostics', Mechanical Systems and Signal Processing, 174, http://dx.doi.org/10.1016/j.ymssp.2022.109077
    Journal articles | 2022
    Chin ZY; Borghesani P; Mao Y; Smith WA; Randall RB, 2022, 'Use of transmission error for a quantitative estimation of root-crack severity in gears', Mechanical Systems and Signal Processing, 171, pp. 108957 - 108957, http://dx.doi.org/10.1016/j.ymssp.2022.108957
    Journal articles | 2022
    Feng K; Smith WA; Randall RB; Wu H; Peng Z, 2022, 'Vibration-based monitoring and prediction of surface profile change and pitting density in a spur gear wear process', Mechanical Systems and Signal Processing, 165, http://dx.doi.org/10.1016/j.ymssp.2021.108319
    Journal articles | 2022
    Hilbert M; Wade A. Smith ; Robert B. Randall , 2022, 'The Effect of Signal Propagation Delay on the Measured Vibration in Planetary Gearboxes', Journal of Dynamics, Monitoring and Diagnostics, 1, pp. 9 - 18, http://dx.doi.org/10.37965/jdmd.2021.70
    Journal articles | 2022
    JDMD Editorial Office ; Antoni J; Heyns PS; Lin J; Ouyang H; Schmidt S; Smith WA; Wilke DN, 2022, 'Keynote Summaries of the First International Symposium on Dynamics, Monitoring and Diagnostics', Journal of Dynamics, Monitoring and Diagnostics, pp. 189 - 199, http://dx.doi.org/10.37965/jdmd.2022.134
    Journal articles | 2022
    Randall RB; Smith WA; Borghesani P; Peng Z, 2022, 'A new angle-domain cepstral method for generalised gear diagnostics under constant and variable speed operation', Mechanical Systems and Signal Processing, 178, http://dx.doi.org/10.1016/j.ymssp.2022.109313
    Journal articles | 2021
    André H; Leclère Q; Anastasio D; Benaïcha Y; Billon K; Birem M; Bonnardot F; Chin ZY; Combet F; Daems PJ; Daga AP; De Geest R; Elyousfi B; Griffaton J; Gryllias K; Hawwari Y; Helsen J; Lacaze F; Laroche L; Li X; Liu C; Mauricio A; Melot A; Ompusunggu A; Paillot G; Passos S; Peeters C; Perez M; Qi J; Sierra-Alonso EF; Smith WA; Thomas X, 2021, 'Using a smartphone camera to analyse rotating and vibrating systems: Feedback on the SURVISHNO 2019 contest', Mechanical Systems and Signal Processing, 154, http://dx.doi.org/10.1016/j.ymssp.2020.107553
    Journal articles | 2021
    Chin ZY; Smith WA; Borghesani P; Randall RB; Peng Z, 2021, 'Absolute transmission error: A simple new tool for assessing gear wear', Mechanical Systems and Signal Processing, 146, pp. 107070 - 107070, http://dx.doi.org/10.1016/j.ymssp.2020.107070
    Journal articles | 2021
    Feng K; Smith WA; Borghesani P; Randall RB; Peng Z, 2021, 'Use of cyclostationary properties of vibration signals to identify gear wear mechanisms and track wear evolution', Mechanical Systems and Signal Processing, 150, http://dx.doi.org/10.1016/j.ymssp.2020.107258
    Journal articles | 2021
    Feng K; Smith WA; Peng Z, 2021, 'Use of an improved vibration-based updating methodology for gear wear prediction', Engineering Failure Analysis, 120, pp. 105066 - 105066, http://dx.doi.org/10.1016/j.engfailanal.2020.105066
    Journal articles | 2021
    Feng P; Borghesani P; Smith WA; Peng Z, 2021, 'Corrigendum to “Model-based surface roughness estimation using acoustic emission signals” [Tribol Int 144 (2020) 1–13] (Tribology International (2020) 144, (S0301679X19306152), (10.1016/j.triboint.2019.106101))', Tribology International, 160, pp. 107012 - 107012, http://dx.doi.org/10.1016/j.triboint.2021.107012
    Journal articles | 2021
    Peng D; Smith WA; Randall RB; Peng Z; Mechefske CK, 2021, 'Speed estimation in planetary gearboxes: A method for reducing impulsive noise', Mechanical Systems and Signal Processing, 159, http://dx.doi.org/10.1016/j.ymssp.2021.107786
    Journal articles | 2021
    Zhang H; Borghesani P; Smith WA; Randall RB; Shahriar MR; Peng Z, 2021, 'Tracking the natural evolution of bearing spall size using cyclic natural frequency perturbations in vibration signals', Mechanical Systems and Signal Processing, 151, http://dx.doi.org/10.1016/j.ymssp.2020.107376
    Journal articles | 2020
    Feng P; Borghesani P; Smith WA; Peng Z, 2020, 'Model-based surface roughness estimation using acoustic emission signals', Tribology International, 144, http://dx.doi.org/10.1016/j.triboint.2019.106101
    Journal articles | 2020
    Feng P; Borghesani P; Smith WA; Randall RB; Peng Z, 2020, 'A Review on the Relationships between Acoustic Emission, Friction and Wear in Mechanical Systems', Applied Mechanics Reviews, 72, http://dx.doi.org/10.1115/1.4044799
    Journal articles | 2020
    Guo J; Randall RB; Borghesani P; Smith WA; Haneef MD; Peng Z, 2020, 'A study on the effects of piston secondary motion in conjunction with clearance joints', Mechanism and Machine Theory, 149, http://dx.doi.org/10.1016/j.mechmachtheory.2020.103824
    Journal articles | 2020
    Mauricio A; Qi J; Smith WA; Sarazin M; Randall RB; Janssens K; Gryllias K, 2020, 'Bearing diagnostics under strong electromagnetic interference based on Integrated Spectral Coherence', Mechanical Systems and Signal Processing, 140, http://dx.doi.org/10.1016/j.ymssp.2020.106673
    Journal articles | 2020
    Mauricio A; Smith WA; Randall RB; Antoni J; Gryllias K, 2020, 'Improved Envelope Spectrum via Feature Optimisation-gram (IESFOgram): A novel tool for rolling element bearing diagnostics under non-stationary operating conditions', Mechanical Systems and Signal Processing, 144, http://dx.doi.org/10.1016/j.ymssp.2020.106891
    Journal articles | 2020
    Randall RB; Smith WA, 2020, 'Detection of faulty accelerometer mounting from response measurements', Journal of Sound and Vibration, 477, http://dx.doi.org/10.1016/j.jsv.2020.115318
    Journal articles | 2019
    Abboud D; Elbadaoui M; Smith WA; Randall RB, 2019, 'Advanced bearing diagnostics: A comparative study of two powerful approaches', Mechanical Systems and Signal Processing, 114, pp. 604 - 627, http://dx.doi.org/10.1016/j.ymssp.2018.05.011
    Journal articles | 2019
    Chang H; Borghesani P; Smith WA; Peng Z, 2019, 'Application of surface replication combined with image analysis to investigate wear evolution on gear teeth – A case study', Wear, 430-431, pp. 355 - 368, http://dx.doi.org/10.1016/j.wear.2019.05.024
    Journal articles | 2019
    Dackermann U; Smith WA; Alamdari MM; Li J; Randall RB, 2019, 'Cepstrum-based damage identification in structures with progressive damage', Structural Health Monitoring, 18, pp. 87 - 102, http://dx.doi.org/10.1177/1475921718804730
    Journal articles | 2019
    Feng K; Borghesani P; Smith WA; Randall RB; Chin ZY; Ren J; Peng Z, 2019, 'Vibration-based updating of wear prediction for spur gears', Wear, 426-427, pp. 1410 - 1415, http://dx.doi.org/10.1016/j.wear.2019.01.017
    Journal articles | 2019
    Feng P; Borghesani P; Chang H; Smith WA; Randall RB; Peng Z, 2019, 'Monitoring gear surface degradation using cyclostationarity of acoustic emission', Mechanical Systems and Signal Processing, 131, pp. 199 - 221, http://dx.doi.org/10.1016/j.ymssp.2019.05.055
    Journal articles | 2019
    Peng D; Smith WA; Borghesani P; Randall RB; Peng Z, 2019, 'Comprehensive planet gear diagnostics: Use of transmission error and mesh phasing to distinguish localised fault types and identify faulty gears', Mechanical Systems and Signal Processing, 127, pp. 531 - 550, http://dx.doi.org/10.1016/j.ymssp.2019.03.024
    Journal articles | 2019
    Peng D; Smith WA; Randall RB; Peng Z, 2019, 'Use of mesh phasing to locate faulty planet gears', Mechanical Systems and Signal Processing, 116, pp. 12 - 24, http://dx.doi.org/10.1016/j.ymssp.2018.06.035
    Journal articles | 2019
    Randall RB; Antoni J; Smith WA, 2019, 'A survey of the application of the cepstrum to structural modal analysis', Mechanical Systems and Signal Processing, 118, pp. 716 - 741, http://dx.doi.org/10.1016/j.ymssp.2018.08.059
    Journal articles | 2019
    Randall RB; Smith WA, 2019, 'Uses and mis-uses of energy operators for machine diagnostics', Mechanical Systems and Signal Processing, 133, http://dx.doi.org/10.1016/j.ymssp.2019.06.017
    Journal articles | 2019
    Smith WA; Borghesani P; Ni Q; Wang K; Peng Z, 2019, 'Optimal demodulation-band selection for envelope-based diagnostics: A comparative study of traditional and novel tools', Mechanical Systems and Signal Processing, 134, http://dx.doi.org/10.1016/j.ymssp.2019.106303
    Journal articles | 2018
    Borghesani P; Smith WA; Zhang X; Feng P; Antoni J; Peng Z, 2018, 'A new statistical model for acoustic emission signals generated from sliding contact in machine elements', Tribology International, 127, pp. 412 - 419, http://dx.doi.org/10.1016/j.triboint.2018.06.032
    Journal articles | 2018
    Randall B; Smith W, 2018, 'Improved cepstral techniques for operational modal analysis', International Journal of Condition Monitoring, 8, pp. 74 - 81
    Journal articles | 2017
    Haneef MD; Randall RB; Smith WA; Peng Z, 2017, 'Vibration and Wear Based Analysis of IC Engine Bearings by Numerical Simulation', Wear, 384-385, pp. 15 - 27, http://dx.doi.org/10.1016/j.wear.2017.04.018
    Journal articles | 2016
    Hu C; Smith WA; Randall RB; Peng Z, 2016, 'Development of a gear vibration indicator and its application in gear wear monitoring', Mechanical Systems and Signal Processing, 76-77, pp. 319 - 336, http://dx.doi.org/10.1016/j.ymssp.2016.01.018
    Journal articles | 2016
    Randall RB; Coats MD; Smith WA, 2016, 'Repressing the effects of variable speed harmonic orders in operational modal analysis', Mechanical Systems and Signal Processing, 79, pp. 3 - 15, http://dx.doi.org/10.1016/j.ymssp.2016.02.042
    Journal articles | 2016
    Smith WA; Fan Z; Peng Z; Li HUAIZHONG; Randall R, 2016, 'Optimised Spectral Kurtosis for bearing diagnostics under electromagnetic interference', Mechanical Systems and Signal Processing, 75, pp. 371 - 394, http://dx.doi.org/10.1016/j.ymssp.2015.12.034
    Journal articles | 2016
    Smith WA; Randall RB, 2016, 'Cepstrum-based operational modal analysis revisited: A discussion on pole-zero models and the regeneration of frequency response functions', Mechanical Systems and Signal Processing, 79, pp. 30 - 46, http://dx.doi.org/10.1016/j.ymssp.2016.02.030
    Journal articles | 2015
    Smith WA; Randall RB, 2015, 'Rolling element bearing diagnostics using the Case Western Reserve University data: a benchmark study', Mechanical Systems and Signal Processing, 64, pp. 100 - 131, http://dx.doi.org/10.1016/j.ymssp.2015.04.021
    Journal articles | 2014
    Dackermann U; Smith WA; Randall RB, 2014, 'Damage identification based on response-only measurements using cepstrum analysis and artificial neural networks', Structural Health Monitoring, 13, pp. 430 - 444, http://dx.doi.org/10.1177/1475921714542890
    Journal articles | 2013
    Smith W; Deshpande L; Randall B; Li H, 2013, 'Gear diagnostics in a planetary gearbox: a study using internal and external vibration signals', International Journal of Condition Monitoring,, 3, pp. 36 - 41, http://dx.doi.org/10.1784/204764213808146617
    Journal articles | 2011
    Smith W; Zhang N; Hu W, 2011, 'Hydraulically interconnected vehicle suspension: handling performance', Vehicle System Dynamics, 49, pp. 87 - 106, http://dx.doi.org/10.1080/00423111003596743
    Journal articles | 2010
    Smith W; Zhang N; Jeyakumaran J, 2010, 'Hydraulically interconnected vehicle suspension: theoretical and experimental ride analysis', Vehicle System Dynamics, 48, pp. 41 - 64, http://dx.doi.org/10.1080/00423110903243190
    Journal articles | 2010
    Smith W; Zhang N, 2010, 'Recent developments in passive interconnected vehicle suspension', Frontiers of Mechanical Engineering in China, 5, pp. 1 - 18, http://dx.doi.org/10.1007/s11465-009-0092-z
    Journal articles | 2010
    Smith W, 2010, 'Hydraulically interconnected vehicle suspension: optimization and sensitivity analysis', Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 224, pp. 1335 - 1355, http://dx.doi.org/10.1243/09544070JAUTO1422
    Journal articles | 2010
    Zhang N; Smith W; Jeyakumaran J, 2010, 'Hydraulically interconnected vehicle suspension: background and modelling', Vehicle System Dynamics, 48, pp. 17 - 40, http://dx.doi.org/10.1080/00423110903243182
    Journal articles | 2009
    Du H; Zhang N; Smith W, 2009, 'Robust Yaw Moment Control for Vehicle Handling and Stability', SAE INTERNATIONAL JOURNAL OF PASSENGER CARS-MECHANICAL SYSTEMS, 2, pp. 772 - 779, http://dx.doi.org/10.4271/2009-01-0578
    Journal articles | 2009
    Du H; Zhang N; Smith W, 2009, 'Robust yaw moment control for vehicle handling and stability', SAE International Journal of Passenger Cars - Mechanical Systems, 2, pp. 772 - 779, http://dx.doi.org/10.4271/2009-01-0578
  • Conference Papers | 2020
    Randall RB; Smith WA, 2020, 'Bearing diagnostics in variable speed gearboxes', in Proceedings of ISMA 2020 - International Conference on Noise and Vibration Engineering and USD 2020 - International Conference on Uncertainty in Structural Dynamics, pp. 569 - 580
    Conference Papers | 2018
    Mauricio A; Qi J; Gryllias K; Janssens K; Sarrazin M; Smith W; Randall R, 2018, 'Cyclostationary-based bearing diagnostics under electromagnetic interference', in 25th International Congress on Sound and Vibration 2018, ICSV 2018: Hiroshima Calling, Hiroshima, Japan, pp. 2860 - 2867, presented at 25th International Congress on Sound and Vibration, Hiroshima, Japan, 08 July 2018 - 12 July 2018, http://www.proceedings.com/40638.html
    Conference Papers | 2018
    Mauricio A; Smith W; Randall R; Antoni J; Gryllias K, 2018, 'Cyclostationary-based tools for bearing diagnostics', in Proceedings of ISMA 2018 - International Conference on Noise and Vibration Engineering and USD 2018 - International Conference on Uncertainty in Structural Dynamics, pp. 905 - 918
    Conference Papers | 2018
    Peng D; Smith WA; Randall RB, 2018, 'Locating faulty planet gears using external vibration measurements', in 15th International Conference on Condition Monitoring and Machinery Failure Prevention Technologies, CM 2018/MFPT 2018, The British Institute of NDT, Nottingham, UK, pp. 330 - 338, presented at Fifteenth International Conference on Condition Monitoring and Machinery Failure Prevention Technologies (CM2018 / MFPT2018), Nottingham, UK, 10 September 2018 - 12 September 2018, https://www.bindt.org/shopbindt/cd-roms/proceedings-of-cm-mfpt-2018.html#.XNz3SGNS9QJ
    Conference Papers | 2018
    Randall RB; Smith WA, 2018, 'Detection of faulty accelerometer mounting', in Proceedings of ISMA 2018 - International Conference on Noise and Vibration Engineering and USD 2018 - International Conference on Uncertainty in Structural Dynamics, pp. 761 - 767
    Conference Papers | 2017
    Haneef MD; Randall RB; Smith WA; Peng Z, 2017, 'Integrated Approach for Health Assessment of IC Engine Bearings through Numerical Simulation', in Integrated Approach for Health Assessment of IC Engine Bearings through Numerical Simulation, Tenth DST Group International Conference on Health and Usage Monitoring Systems (HUMS), Melbourne, Australia, presented at Tenth DST Group International Conference on Health and Usage Monitoring Systems (HUMS), Melbourne, Australia, 26 February 2017 - 28 February 2017, http://www.humsconference.com.au/Papers2017/Peer_Reviewed/211_HUMS2017_Haneef_HUMS_Best_Paper.pdf
    Conference Papers | 2017
    Peng D; Smith W; Randall R; Peng Z, 2017, 'Development of an indicator to locate faults on planet gears', in Development of an indicator to locate faults on planet gears, International Conference on Structural Engineering Dynamics ICEDyn 2017, Portugal, presented at International Conference on Structural Engineering Dynamics ICEDyn 2017, Portugal, 03 July 2017 - 05 August 2017
    Conference Papers | 2017
    Randall RB; Smith WA, 2017, 'Application of the Teager Kaiser Energy Operator to Machine Diagnostics', in Application of the Teager Kaiser Energy Operator to Machine Diagnostics, Tenth DST Group International Conference on Health and Usage Monitoring Systems (HUMS), Melbourne, Australia, presented at Tenth DST Group International Conference on Health and Usage Monitoring Systems (HUMS), Melbourne, Australia, 26 February 2017 - 28 February 2017, http://www.humsconference.com.au/Papers2017/Not_on_USB_Proceedings/215_HUMS2017_Randall.pdf
    Conference Papers | 2017
    Randall RB; Smith WA, 2017, 'New cepstral techniques for operational modal analysis', in WCCM 2017 - 1st World Congress on Condition Monitoring 2017
    Conference Papers | 2017
    Smith W; Randall RB; Hu C; Peng Z, 2017, 'Cepstral removal of resonance effects to improve the use of traditional gear diagnostic indicators at different speeds', in Cepstral removal of resonance effects to improve the use of traditional gear diagnostic indicators at different speeds, First World Congress on Condition Monitoring, London, UK, presented at First World Congress on Condition Monitoring, London, UK, 13 June 2017 - 16 June 2017
    Conference Papers | 2017
    Smith WA; Randall RB; de Chasteigner du Mée X; Peng Z, 2017, 'Use of Cyclostationary Properties to Diagnose Planet Bearing Faults in Variable Speed Conditions', in Use of Cyclostationary Properties to Diagnose Planet Bearing Faults in Variable Speed Conditions, Tenth DST Group International Conference on Health and Usage Monitoring Systems (HUMS), Melbourne, Australia, presented at Tenth DST Group International Conference on Health and Usage Monitoring Systems (HUMS), Melbourne, Australia, 26 February 2017 - 28 February 2017, http://www.humsconference.com.au/Papers2017/Peer_Reviewed/210_HUMS2017_Randall.pdf
    Conference Papers | 2017
    Zhang X; Smith W; Borghesani P; Peng Z; Randall R, 2017, 'Use of cyclostationarity to detect changes in gear surface roughness using vibration measurements', in Proceedings of the 12th World Congress on Engineering Asset Management & the 13th International Conference on Vibration Engineering and Technology of Machinery, The 12th World Congress on Engineering Asset Management and 13th International Conference on Vibration Engineering and Technology of Machinery, Brisbane, pp. 763 - 771, presented at The 12th World Congress on Engineering Asset Management and 13th International Conference on Vibration Engineering and Technology of Machinery, Brisbane, 02 August 2017 - 04 August 2017, http://dx.doi.org/10.1007/978-3-319-95711-1_75
    Conference Papers | 2016
    Randall R; Smith W, 2016, 'New cepstral methods for the diagnosis of gear and bearing faults under variable speed conditions', in ICSV 2016 - 23rd International Congress on Sound and Vibration: From Ancient to Modern Acoustics, Athens, Greece, presented at 23rd International Congress on Sound and Vibration, Athens, Greece, 10 July 2016 - 14 July 2016
    Conference Papers | 2016
    Randall RB; Smith WA, 2016, 'Compensating for speed change in the diagnosis of gear and bearing faults', in Advances in Technology to Support End User Mission - Proceedings of the 2016 Joint Conference/Symposium of the Society for Machinery Failure Prevention Technology and the International Society of Automation
    Conference Papers | 2016
    Randall RB; Smith WA, 2016, 'Use of the Teager Kaiser Energy Operator to estimate machine speed', in Third European Conference of the Prognostics and Health Management Society 2016, 3rd European Conference of the PHM Society, Bilbao, Spain, presented at 3rd European Conference of the PHM Society, Bilbao, Spain, 05 July 2016 - 08 July 2016
    Conference Papers | 2016
    Smith WA; Fan Z; Peng D; Peng Z; Randall RB, 2016, 'Electromagnetic interference in vibration signals and its effect on bearing diagnostics', in VIRM 11 - Vibrations in Rotating Machinery, Institution of Mechanical Engineers, Manchester, UK, pp. 523 - 533, presented at 11th International Conference on Vibrations in Rotating Machinery, Manchester, UK, 13 September 2016 - 15 September 2016
    Conference Papers | 2015
    Randall R; Coats M; Smith WA, 2015, 'Determining the speed of a variable speed wind turbine from the vibration response', in Acoustics 2015 Hunter Valley, Hunter Valley, Australia, presented at Acoustics 2015, Hunter Valley, Australia, 15 November 2015 - 18 November 2015, https://www.acoustics.asn.au/conference_proceedings/AAS2015/papers/p49.pdf
    Conference Papers | 2015
    Randall RB; Coats M; Smith W, 2015, 'Operational Modal Analysis in the Presence of Variable Speed Harmonic Orders', in ICEDyn 2015, International Conference on Structural Dynamics, idmec, Technical University of Lisbon, Lagos, Portugal, presented at ICEDyn 2015, Lagos, Portugal, 22 June 2015 - 24 June 2015
    Conference Papers | 2015
    Siew WS; Smith WA; Peng Z; Randall RB, 2015, 'Fault severity trending in rolling element bearings', in Acoustics 2015 Hunter Valley, Hunter Valley, Australia, presented at Acoustics 2015, Hunter Valley, Australia, 15 November 2015 - 18 November 2015
    Conference Papers | 2015
    Smith WA; Randall R, 2015, 'On the use of pole-zero models in cepstrum-based operational modal analysis: regeneration of frequency response functions', in On the use of pole-zero models in cepstrum-based operational modal analysis: regeneration of frequency response functions, ICEDyn 2015 International Conference on Structural Engineering Dynamics, Lagos, Portugal, presented at ICEDyn 2015 International Conference on Structural Engineering Dynamics, Lagos, Portugal, 22 June 2015 - 24 June 2015
    Conference Papers | 2015
    Yang Y; Smith WA; Borghesani P; Peng Z; Randall R, 2015, 'Detecting changes in gear surface roughness using vibration signals', in Acoustics 2015 Hunter Valley, Hunter Valley, Australia, presented at Acoustics 2015, Hunter Valley, Australia, 15 November 2015 - 18 November 2015, https://www.acoustics.asn.au/conference_proceedings/AAS2015/papers/p88.pdf
    Conference Papers | 2014
    Dackermann U; Smith WA; Li J; Randall RB, 2014, 'On the use of the cepstrum and artificial neural networks to identify structural mass changes from response-only measurements', in Proceedings of ISMA 2014 - International Conference on Noise and Vibration Engineering and USD 2014 - International Conference on Uncertainty in Structural Dynamics, Leuven, Belgium, pp. 3739 - 3750, presented at International Conference on Noise and Vibration Engineering, Leuven, Belgium, 15 September 2014 - 10 September 2014
    Conference Papers | 2014
    Deshpande LG; Randall RB; Smith WA, 2014, 'Diagnostics of planet gear faults from the effects of meshing with the ring and sun gears', in 21st International Congress on Sound and Vibration 2014, ICSV 2014, Beijing, China, pp. 3676 - 3683, presented at The 21st International Congress on Sound and Vibration, Beijing, China, 13 July 2014 - 17 July 2014
    Conference Papers | 2014
    Deshpande LG; Smith WA; Randall RB, 2014, 'Condition monitoring of planetary gearboxes: modelling mesh stiffness in the presence of planet gear tooth root cracks', in The 8th Australasian Congress on Applied Mechanics 2014, pp. 147 - 156, presented at 8th Australasian Congress on Applied Mechanics, 23 November 2014 - 26 November 2014
    Conference Papers | 2014
    Randall RB; Coats MD; Smith WA, 2014, 'Gear diagnostics under widely varying speed conditions', in Gear diagnostics under widely varying speed conditions, 4th International Conference on Condition Monitoring of Machinery in Non-Stationary Operations, Lyon, France, presented at 4th International Conference on Condition Monitoring of Machinery in Non-Stationary Operations, Lyon, France, 15 December 2014 - 16 December 2014
    Conference Papers | 2014
    Randall RB; Coats MD; Smith WA, 2014, 'Improvement in the diagnostics of gearbox vibration signals under varying speed conditions', in The 8th Australasian Congress on Applied Mechanics 2014 : ACAM 8, pp. 5 - 13, presented at 8th Australasian Congress on Applied Mechanics, 23 November 2014 - 26 November 2014
    Conference Papers | 2014
    Randall RB; Smith WA; Coats MD, 2014, 'Bearing diagnostics under widely varying speed conditions', in Bearing diagnostics under widely varying speed conditions, 4th International Conference on Condition Monitoring of Machinery in Non-Stationary Operations, Lyon, France, presented at 4th International Conference on Condition Monitoring of Machinery in Non-Stationary Operations, Lyon, France, 15 December 2014 - 16 December 2014
    Conference Papers | 2014
    Smith WA; Hu C; Randall RB; Peng Z, 2014, 'Vibration-based spall size tracking in rolling element bearings', in Proceedings of the 9th IFToMM International Conference on Rotor Dynamics, Milan, Italy, pp. 587 - 597, presented at Proceedings of IFToMM ICORD 2014 conference, Milan, Italy, 22 September 2014 - 25 September 2014, http://dx.doi.org/10.1007/978-3-319-06590-8_48
    Conference Papers | 2014
    Smith WA; Hu C; Randall RB; Peng Z, 2014, 'Vibration-based spall size tracking in rolling element bearings', in Proceedings of the 9th IFToMM International Conference on Rotor Dynamics, 9th IFToMM International Conference on Rotor Dynamics, presented at 9th IFToMM International Conference on Rotor Dynamics, 22 September 2014 - 25 September 2014, http://www.iftomm2014.it/
    Conference Papers | 2014
    Smith WA; Randall RB, 2014, 'Regeneration of frequency response functions from poles and zeros: a discussion with implications for cepstrum-based operational modal analysis', in Inter.noise 2014: 43rd International Congress on Noise Control Engineering November 16-19, 2014, presented at Internoise, 16 November 2014 - 19 November 2014, http://www.internoise2014.org/
    Conference Papers | 2013
    Dackermann U; Smith WA; Randall RB, 2013, 'Application of cepstrum analysis and artificial neural networks for the damage identification of a two-storey framed structure based on response-only measurements', in Xu YL; Zhu S; Xia Y; Ni YQ; Law SS; Yin JH; Su ZQ (eds.), Structural Health Monitoring for Infrastructure Sustainability, The 6th International Conference on Structural Health Monitoring of Intelligent Infrastructure, Hong Kong, China, presented at The 6th International Conference on Structural Health Monitoring of Intelligent Infrastructure, Hong Kong, China, 09 December 2013 - 11 December 2013
    Conference Papers | 2013
    Randall RB; Antoni J; Manzato S; Peeters B; Smith W, 2013, 'New Applications of the Cepstrum in OMA', in Cunha A; Ramos L (ed.), Proceedings 5th International Operational Modal Analysis Conference (IOMAC), Guimaraes, Portugal, pp. 1 - 9, presented at IOMAC 2013, Guimaraes, Portugal, 13 May 2013 - 15 May 2013
    Conference Papers | 2013
    Smith W; Deshpande L; Randall RB; Li H, 2013, 'Bearing diagnostics in a planetary gearbox: a study using internal and external vibration signals', in 26th International Congress of Condition Monitoring and Diagnostic Engineering Management, Journal of Physics: Conference Series - IOP PUblishing, Helsinki, Finland, presented at 26th International Congress of Condition Monitoring and Diagnostic Engineering Management, 2013, Helsinki, Finland, 11 June 2013 - 13 June 2013, http://dx.doi.org/10.1784/204764213808146617
    Conference Papers | 2012
    Randall RB; Smith W, 2012, 'Cepstrum-based operational modal analysis: regeneration of frequency response functions', in Proceedings of 7th Australasian Congress of Applied Mechanics, Engineers Australia, Canberra ACT, pp. 181 - 190, presented at 7th Australasian Congress of Applied Mechanics, Adelaide, 09 December 2012 - 12 December 2012
    Conference Papers | 2012
    Zhang N; Smith W; Wang L, 2012, 'Passive and active hydraulically interconnected suspensions and their applications', in Proceedings of 7th Australasian Congress of Applied Mechanics, Engineers Australia, Canberra ACT, pp. 18 - 38, presented at 7th Australasian Congress on Applied Mechanics, ACAM 7, Adelaide, Australia, 09 December 2012 - 12 December 2012
    Conference Papers | 2009
    Smith W; Zhang N, 2009, 'Experimental and Theoretical Investigation into the Dynamics of a Half-Car with an Interconnected Passive Suspension (SAE 2009-01-0579)', in SAE Technical Papers, Detroit, USA, presented at SAE World Congress, Detroit, USA, 20 April 2009 - 23 April 2009, http://dx.doi.org/10.4271/2009-01-0579
    Conference Papers | 2008
    Smith W; Zhang N; Jeyakumaran J, 2008, 'Free Vibration Of Vehicles With Interconnected Suspensions', in CD-ROM, XXIInd Intl. Congr. Theor. & Appl. Mech. (ICTAM2008), Adelaide, Sth Aust, presented at XXIInd Intl. Congr. Theor. & Appl. Mech. (ICTAM2008), Adelaide, Sth Aust, 25 August 2008 - 29 August 2008
    Conference Papers | 2007
    Jeyakumaran J; Smith W; Zhang N, 2007, 'Transient Characteristics of a Hydraulically Interconnected Suspension System (SAE 2007-01-0582)', in Transient Characteristics of a Hydraulically Interconnected Suspension System (SAE 2007-01-0582), SAE World Congress, Detroit, USA, presented at SAE World Congress, Detroit, USA, 16 April 2007 - 19 April 2007
    Conference Papers | 2007
    Smith W; Zhang N; Jeyakumaran J, 2007, 'High frequency parameter sensitivity in hydraulically interconnected suspensions', in Proceedings of the 5th Australasian Congress on Applied Mechanics : 10-12 December 2007, Brisbane, Australia, Engineers Australia, Brisbane, Queensland, Australia, pp. 608 - 613, presented at 5th Australian Congress on Applied Mechanics, ACAM 2007, Brisbane, Qld, 10 December 2007 - 12 December 2007
    Conference Papers | 2007
    Smith W; Zhang N; Jeyakumaran J, 2007, 'Hydraulically Interconnected Suspension Parameter Sensitivity in Half-Car Ride Performance (SAE 2007-01-0583)', in SAE Technical Papers, Detroit, USA, presented at SAE World Congress, Detroit, USA, 16 April 2007 - 19 April 2007
    Conference Papers | 2007
    Smith W; Zhang N; Jeyakumaran J, 2007, 'Hydraulically interconnected suspension parameter sensitivity in half-car ride performance', in SAE Technical Papers
    Conference Papers | 2007
    Smith W; Zhang N; Jeyakumaran J, 2007, 'Hydraulically interconnected suspension parameter sensitivity in half-car ride performance', in SAE Technical Papers, http://dx.doi.org/10.4271/2007-01-0583
    Conference Papers | 2007
    Zhang N; Smith W; Jeyakumaran J; Hu W, 2007, 'Determination of Modal Parameters of a Half-Car Fitted with a Hydraulically Interconnected Suspension from Simulated Free Decay Responses', in Proceedings of the 5th Australasian Congress on Applied Mechanics : 10-12 December 2007, Brisbane, Australia, Engineers Australia, Brisbane, Queensland, Australia, pp. 601 - 607, presented at 5th Australian Congress on Applied Mechanics, ACAM 2007, Brisbane, Qld, 10 December 2007 - 12 December 2007
    Conference Papers | 2006
    Jeyakumaran J; Smith W; Zhang N, 2006, 'Transient Performance of a Hydraulically Interconnected Suspension System', in FISITA 2006 World Automotive Congress, Yokohama, Japan, presented at FISITA 2006 World Automotive Congress, Yokohama, Japan, 22 October 2006 - 27 October 2006, http://dx.doi.org/10.4271/2007-01-0582
    Conference Papers | 2006
    Smith W; Zhang N; Jeyakumaran J, 2006, 'Ride Simulations of a Half-car with a Hydraulically Interconnected Passive Suspension', in FISITA 2006 World Automotive Congress, FISITA 2006 World Automotive Congress, Yokohama, Japan, presented at FISITA 2006 World Automotive Congress, Yokohama, Japan, 22 October 2006 - 27 October 2006