Dr Wade Smith

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Wade Smith is a Senior Lecturer 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 , 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 | 2025

Chen B; Smith WA; Cheng Y; Gu F; Chu F; Zhang W; Ball AD, 2025, 'Probability distributions and typical sparsity measures of Hilbert transform-based generalized envelopes and their application to machine condition monitoring', Mechanical Systems and Signal Processing, 224, http://dx.doi.org/10.1016/j.ymssp.2024.112026

Journal articles | 2024

Lu R; Antoni J; Randall RB; Borghesani P; Smith WA; Peng Z, 2024, 'Cepstral operational modal analysis for multiple-input systems based on the real cyclic cepstrum', Mechanical Systems and Signal Processing, 218, http://dx.doi.org/10.1016/j.ymssp.2024.111578

Journal articles | 2024

Peng D; Smith WA; Randall RB; Feng K; Peng Z; Teng W; Liu Y, 2024, 'Iterative improvement in tacholess speed estimation using instantaneous error estimation for machine condition monitoring in variable speed', Mechanical Systems and Signal Processing, 216, http://dx.doi.org/10.1016/j.ymssp.2024.111488

Journal articles | 2024

Smith WA; Borghesani P; Randall RB; Antoni J; El Badaoui M; Peng Z, 2024, 'High-speed bearing diagnostics: Observations from the Surveillance 8 Safran contest data', Mechanical Systems and Signal Processing, 216, http://dx.doi.org/10.1016/j.ymssp.2024.111484

Journal articles | 2023

Chin ZY; Borghesani P; Smith WA; Randall RB; Peng Z, 2023, 'Monitoring gear wear with transmission error', Wear, 523, 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

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, 1, pp. 189 - 199, http://dx.doi.org/10.37965/jdmd.2022.134

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, pp. 109077, 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, 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, pp. 108319, http://dx.doi.org/10.1016/j.ymssp.2021.108319

Journal articles | 2022

Hilbert M; Smith WA; Randall RB, 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

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, 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, pp. 107258, 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, 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, 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, pp. 106303, 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, 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, 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://saepcmech.saejournals.org/content/2/1/772.abstract
Conference Papers | 2024

Daman A; Smith WA; Mao Y; Randall RB; Peng Z, 2024, 'Detection of Multiple Cracks in Gears using Transmission Error', in 11th Australasian Congress on Applied Mechanics, ACAM 2024, pp. 173 - 182

Conference Papers | 2024

Herwig N; Borghesani P; Smith W; Peng Z, 2024, 'Explainable AI for condition monitoring applications: Potential and challenges', in 11th Australasian Congress on Applied Mechanics, ACAM 2024, pp. 201 - 214

Conference Papers | 2024

Mao Y; Chin ZY; Smith W; Randall R; Peng Z; Borghesani P, 2024, 'Evaluation of transmission error for gear diagnostics', in 11th Australasian Congress on Applied Mechanics, ACAM 2024, pp. 235 - 243

Conference Papers | 2022

Antoni J; Smith W; Randall RB, 2022, 'On the design of informative decompositions', in Proceedings of ISMA 2022 - International Conference on Noise and Vibration Engineering and USD 2022 - International Conference on Uncertainty in Structural Dynamics, pp. 559 - 570

Conference Papers | 2022

Smith WA; Borghesani P; Abboud D; Randall RB; Antoni J; El Badaoui M; Peng Z, 2022, 'A new look at bearing signal models', in Proceedings of ISMA 2022 - International Conference on Noise and Vibration Engineering and USD 2022 - International Conference on Uncertainty in Structural Dynamics, pp. 592 - 602

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', 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', 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', 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', 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', 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, Springer Nature, 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, 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

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

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 | 2015

Randall RB; Coats M; Smith W, 2015, 'Operational Modal Analysis in the Presence of Variable Speed Harmonic Orders'

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'

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', 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', Beijing, China, 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, 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', 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, 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', 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, 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, 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, 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, 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)', Detroit, USA, presented at SAE World Congress, Detroit, USA, 20 April 2009 - 23 April 2009

Conference Papers | 2008

Smith W; Zhang N; Jeyakumaran J, 2008, 'Free Vibration Of Vehicles With Interconnected Suspensions', in CD-ROM, 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)', 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)', 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

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, Yokohama, Japan, presented at FISITA 2006 World Automotive Congress, Yokohama, Japan, 22 October 2006 - 27 October 2006

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