UNIVERSITY OF PRETORIA CURRICULUM VITAE 1. BIOGRAPHICAL SKETCH 1.1 GENERAL INFORMATION Heyns Surname First names Citizenship Department Direct Telephone E-mail Philippus Stephanus South African Title Mechanical and Aeronautical Engineering +2712 420 2432 Prof Position Direct Telefax PhD Male X Professor +2712 362 5087 stephan.heyns@up.ac.za 1.2 ACADEMIC QUALIFICATIONS OBTAINED Degree/ Higher education Field of study Diploma institution Mechanical University of Pretoria BSc(Eng) Engineering BSc(Eng) (Hons) MEng Female Mechanical Engineering Mechanical Engineering Mechanical Engineering Year Distinctions 1977 Cum Laude University of Pretoria 1978 Cum Laude University of Pretoria 1982 Cum Laude University of Pretoria 1988 N.A. 1.3 WORK EXPERIENCE TO DATE Name of employer Capacity and/or type of work CSIR (NIAST) Chief Engineer Period Jan 1979 – Mar 1982 University of Pretoria Apr 2982 - present Senior Lecturer - Professor 1 2. TEACHING ACTIVITIES 2.1 Courses presented Course Dynamics 210 Level BEng (2nd year) Self developed No Turbomachinery 410 BEng (4th year) Yes Vibrations and Noise 320 BEng (3rd year) Yes Project 400 BEng (4th year) Yes Design 410 BEng (4th year) Yes Structural Dynamics 780 BEng(Hons) (Post-graduate) Yes Dynamics 780 BEng(Hons) (Post-graduate) Yes Vibration 732 BEng(Hons) (Post-graduate) Yes Condition Monitoring 732 BEng(Hons) (Post-graduate) Yes 3. TEACHING OUTPUTS 3.1 Educational publications and products Heyns,P.S. Transient dynamics of rigid rotors on flexible bearings. International Journal of Mechanical Engineering Education, vol.17, no.3, 1989, pp.197-204. Heyns,P.S. An optimization approach to vibration isolation of rigid bodies. International Journal of Mechanical Engineering Education. vol.25, no.3, 1997, pp.165-175. 4. OTHER TEACHING CONTRIBUTIONS 4.1 Participation in national and international teaching associations, bodies, committees Member of ECSA Aeronautical Professional Advisory Committee, 1995 – present Chairman of ECSA Aeronautical Professional Advisory Committee, 2001 – 2002. 2 5. POSTGRADUATE SUPERVISION Name of student Raath AD Degree PhD Year 1993 Supervisor PS Heyns Co-supervisor Heyns M PhD 1994 PS Heyns Nel CB DTech 1998 Prof K Vorster PS Heyns Scheffer C PhD 2003 PS Heyns Prof Z Katz Du Plooy NF PhD 2004 PS Heyns Stander CJ PhD 2005 PS Heyns Wannenburg J PhD 2007 PS Heyns Oberholster A.J. PhD 2010 PS Heyns Velleman DH MEng 1985 PS Heyns Nieuwoudt MC MEng 1986 PS Heyns Benadé JG MEng 1986 PS Heyns Petzer CA MEng 1990 PS Heyns McGrath JH MEng 1989 PS Heyns Van Niekerk JL MEng 1989 PS Heyns Lippert KG MEng 1989 PS Heyns Van der Walt JC MEng 1990 PS Heyns Benadé W MEng 1993 PS Heyns Bahneman WF MEng 1992 PS Heyns Heyns M MEng 1991 PS Heyns Neethling P MEng 1991 PS Heyns Starker E MEng 1994 PS Heyns Van Wyk AJ MEng 1993 PS Heyns Prof JA Snyman Fröhling R MEng 1992 PS Heyns Dr HS Scheffel Grobler DZ MEng 1994 PS Heyns Vári LM MEng 1996 PS Heyns Marwala T MEng 1997 PS Heyns Engelbrecht A MEng 2000 PS Heyns AD Raath 3 Scheffer C MEng 2000 PS Heyns Prof JA Snyman Du Plooy NF MEng 2000 PS Heyns Stander CJ MEng 2000 PS Heyns Strydom JPD MEng 2000 PS Heyns Kriel TES MEng 2000 PS Heyns Smit WG MEng 2002 PS Heyns Cronjé J MEng 2003 PS Heyns Oberholster AJ MEng 2004 PS Heyns Van der Hoven M MEng 2004 PS Heyns Prof KJ Craig Mdlazi LMZ MEng 2004 PS Heyns Prof T Marwala Dr CJ Stander Van den Berg G MEng 2004 PS Heyns Ngwangwa HM MEng 2005 PS Heyns F van Tonder Hugo D MEng 2005 PS Heyns Prof RJ Thompson Prof A Visser Schön PP MEng 2006 PS Heyns Wolfaardt HJ MEng 2006 PS Heyns Grove AP MEng 2007 PS Heyns F van Tonder Herzog M MEng 2007 PS Heyns Prof T Marwala Eggers B MEng 2008 PS Heyns Dr CJ Stander Wang K MSc 2008 PS Heyns Buys B MEng 2009 PS Heyns Dr P Loveday De Smidt M MEng 2009 PS Heyns Dr CJ Stander Aye SA MSc 2010 PS Heyns Dr P Loveday Prof NJ Theron 4 Name of student Freyer B Degree PhD Supervisor PS Heyns Wang K PhD PS Heyns Schön PP PhD PS Heyns Ngwangwa PhD PS Heyns Mbawalla SJ PhD G Heymann Spangenberg U MEng PS Heyns Aye MSc PS Heyns Prinsloo T BEng(Hons) PS Heyns Bhana V BEng(Hons) PS Heyns Andhavarapu E BEng(Hons) PS Heyns Kroch R BEng(Hons) PS Heyns Conradie J BEng(Hons) PS Heyns Co-supervisor(s) Prof NJ Theron PS Heyns Dr P Loveday Prof PS Els 6. RESEARCH FUNDING 6.1 Obtaining research funds Duration Money allocated (R) Smart vibration monitoring 5 years R 300k p.a. Eskom Vibration monitoring 3 years R1m TES Vehicle fatigue testing 2 years R1m SIMRAC Noise standard in underground testing 2 years R1m Origin of research funds Title of research programme THRIP project or 5 7. RESEARCH OUTPUTS 7.1 Publications in peer-reviewed or refereed journals Heyns,P.S. 'n Prosedure vir die berekening van vloei deur assimmetriese kanale. S A Tydskrif vir Natuurwetenskap en Tegnologie, vol.2, no.6, 1983, pp.92-103 (English: A procedure for the computation of flow through axi-symmetric channels). Heyns,P.S. Transient dynamics of rigid rotors on flexible bearings. International Journal of Mechanical Engineering Education, vol.17, no.3, 1989, pp.197-204. Lippert,K.G.,Heyns,P.S.&McFadyen,I.C. Multi-frequency Aeronautica Meridiana, vol.8, 1990, pp.39-57. rotor isolation for heavier helicopters. Neethling,P.L. & Heyns,P.S. Launch behaviour of a flexible missile and flexible launcher. Aeronautica Meridiana. vol.9, 1991, pp.45-58. Hasse,G.W. & Heyns,P.S. 'n Verbeterde laaitempo vir 'n vryhangende mynhysbak. R&D Journal. vol.8, no.2, 1992, pp. 8-11. (English: An improved loading rate for free hanging mine skips.) Van Wyk,A.J., Snyman,J.A. & Heyns,P.S. Optimization of a vibratory conveyor for reduced support reaction forces. R&D Journal. vol.10, no.1, 1994, pp.12-17. Snyman,J.A., Heyns,P.S. & Vermeulen,P.J. Vibration isolation of a mounted engine through optimization. Mechanism and Machine Theory. vol.30, no.1, 1995, pp.109-118. Grobler,D.Z. & Heyns,P.S. Verbetering van numeriese modelle met behulp van eksperimentele data. SA Tydskrif vir Natuurwetenskap en Tegnologie, vol.14, no.1, 1995, pp.4-11. (English: Updating numerical models by means of experimental data.) Heyns,P.S. Modal testing with natural excitation using a time series approach. R&D Journal, vol.11, no.2, 1995, pp.34-39. Heyns,P.S. & Benadé,W.N.v.d.S. Optimisation of vibration absorbers for aircraft cannon. The Aeronautical Journal of the Royal Aeronautical Society, vol.100, no.993, March 1996, pp.87-90. Heyns,P.S. An optimization approach to vibration isolation of rigid bodies. Mechanical Engineering Education. vol.25, no.3, 1997, pp.165-175. International Journal of Heyns,P.S. & Heyns,M. Simulation of mining conveyance dynamics. Journal of The Institution of Mining and Metallurgy, May-August 1997, vol.106, A77-A83. Vári,L.M. & Heyns,P.S. Strain modal testing – a critical appraisal. R&D Journal. November 1997, vol.13, no.3, pp.83-90. Marwala,T. & Heyns,P.S. Multiple criterion method for determining structural damage. AIAA Journal, August 1998, vol.36, no.8, pp.1494-1501. Marwala,T. & Heyns,P.S. New criteria for comparing frequency response functions, R&D Journal, vol.14, no.3, 1998, pp.49-55. Heyns,M. & Heyns,P.S. Guidelines for the design of guide-roller assemblies for mining conveyances. Transactions of the Institution of Mining and Metallurgy. Section A. Mining Industry. SeptemberDecember 1998, pp.A137-A145. Van Niekerk,J.L., Heyns,P.S. & Heyns,M. Human vibration levels in the South African mining industry. 6 Journal of the South African Institute of Mining and Metallurgy, vol.100, no.4, July/August 2000, pp.235242. Stander,C.J. & Heyns,P.S. A discrete piezoelectric stack absorber model. R&D Journal, vol.17, no.1, 2001, pp.1-7. Scheffer,C. & Heyns,P.S. Masjiengereedskap-toestandmonitering en optimering van masjineringsprosesse – 'n Oorsig. SA Tydskrif vir Natuurwetenskap en Tegnologie, vol.20, no.2, June 2001, pp.35-44. Scheffer,C. & Heyns,P.S. Wear monitoring in turning operations using vibration and strain measurements. Mechanical Systems and Signal Processing, vol.15, no.6, November 2001, pp.1185-1202. Strydom,J.P.D., Heyns,P.S. & Van Niekerk,J.L. Development of a vibration absorbing handle for rock drills. Journal of the Institute of Mining and Metallurgy, vol.102, no.3, April 2002, pp.167-172. Stander,C.J., Heyns,P.S. & Schoombie,W. Using vibration monitoring for local fault detection on gears operating under fluctuating load conditions. Mechanical Systems and Signal Processing, vol 16, no 6, November 2002, pp.1005-1024. Smit,W.G. & Heyns,P.S. Fan blade damage detection using on-line vibration monitoring. R&D Journal, vol.18, no.3 November 2002, pp.77-90. Scheffer,C., Kratz,H., Heyns,P.S. & Klocke,F. Development of a tool wear monitoring system for hard turning. International Journal for Machine Tools and Manufacture, vol.43, 2003, pp.973-985. Scheffer, C. & Heyns, P.S. An industrial tool wear monitoring system for interrupted turning. Mechanical Systems and Signal Processing, vol.18, no.5, 2004, pp.1219-1242. Cronjé, J.M., Heyns P.S. Theron, N.J. & Loveday, P.W. Development of a variable stiffness and damping tuneable absorber. Journal of Vibration and Control, vol.11, 2005, pp.381-396. Stander, C.J. & Heyns, P.S. Instantaneous angular speed monitoring of gearboxes under non-cyclic stationary conditions. Mechanical Systems and Signal Processing, vol.19, 2005, pp.817-835. Du Plooy, N.F., Heyns, P.S. & Brennan, M.J. The development of a tunable vibration absorbing isolator. International Journal of Mechanical Sciences.,vol. 47, 2005, pp.983-997. Scheffer, C., Engelbrecht, H. & Heyns, P.S. A comparative evaluation of neural networks and hidden Markov models for monitoring turning tool wear. Neural Comput. & Applications. vol. 14, pp.325-336, 2005. Oberholster, A.J. & Heyns, P.S. On-line fan blade damage detection using neural networks. Mechanical Systems and Signal Processing. vol. 20, no. 1, January 2006, pp. 78-93. Stander, CJ & Heyns, PS. Transmission path phase compensation for gear monitoring under fluctuating load conditions. Mechanical Systems and Signal Processing, vol. 20, no.7, October 2006, pp.1511-1522. Ngwangwa, H.M., Heyns, P.S. & Van Tonder, F. Assessment of structural damage using operational time responses and finite element simulation. Journal of Sound and Vibration, vol. 296, issues 1-2, September 2006, pp.23-45. Thompson, R.J., Visser, A.T., Heyns, P.S. & Hugo, D. Mine road maintenance management using haul truck response measurements. Institute of Mining, Metallurgy and Materials, Transactions A, vol.115, no.4, December 2006, pp.123-128. Van Tonder, F., Heyns, P.S. & Wannenburg, J. Dynamic response in the fatigue analysis of a structure due to unknown narrowband stochastic loading. SA Journal of Science, vol.102, 2006, pp.1-6. Eggers, B.L., Heyns, P.S & Stander, C.J. Using computed order tracking to detect gear condition aboard 7 a dragline. Journal of the Institute of Mining and Metallurgy, vol. 107, February 2007. Phillips, J.I., Heyns, P.S. & Nelson, G. A comparative study of noise and vibration emitted by rock drills used in South African Mines. Annals of Occupational Hygiene, vol. 51, no. 3, 2007, pp. 305-310. Hugo, D. Heyns, S.P. Thompson, R.J. & Visser, A.T. Condition-triggered maintenance for mine haul roads with reconstructed-vehicle response to haul road defects. Transportation Research Record: Journal of the Transportation Research Board, no. 1989, Low Volume Roads, vol.2, 2007, pp.254-260. Heyns, P.S. Tool condition monitoring using vibration measurements – a review. Insight, vol. 49 no 8, August 2007, pp. 447-450. Grové, A.P., Van Tonder, F & Heyns, P.S. A critical investigation of techniques for stress determination and equivalent static analysis in fatigue life estimation. Fatigue and Fracture of Engineering Materials, vol.30, 2007, pp1030-1043. Wolfaardt, H.J. & Heyns, P.S. Dynamic modelling of a novel microfluidic channel angular accelerometer. Journal of Vibration and Control, vol.14, no.4, pp.451-467, 2008. Freyer, B.H., Theron, N.J. & Heyns, P.S. Simulation of tool vibration control in turning using a self-sensing actuator. Journal of Vibration and Control, vol.14, pp.999-1019, 2008. Wannenburg, J. & Heyns, P.S. The derivation of structural usage profiles for vehicles from failure statistics, International Journal of Vehicle Design, vol.47, nos1/2/3/4, pp.269-289, 2008. Hugo, D., Heyns, P.S., Thompson, R.J. & Visser, A.T. Haul road defect identification and condition assessment using measured truck response. Journal of Terramechanics, vol.45, no.3, pp.79-88, 2008. Herzog, M.A. Marwala, T. & Heyns, P.S. Machine and component residual life estimation through the application of neural networks. Reliability Engineering and System Safety, 94, no.2, pp.479-489, 2009. Oberholster, A.J & Heyns, P.S. Online condition monitoring of axial-flow turbomachinery blades using rotor-axial Eulerian laser Doppler vibrometry. Mechanical Systems and Signal Processing. vol.23, no.5, July 2009, pp. 1634-1643. Buys, B.J., Heyns, P.S. & Loveday, P.W. Rock bolt condition monitoring using ultrasonic guided waves. South African Journal of the Institute of Mining and Metallurgy. vol.108, Feb 2009. Wang, K. & Heyns, P.S. Vold-Kalman filter order tracking in vibration monitoring of electrical machines. Journal of Vibration and Control, vol.15, no.9, 1325-1347, 2009. Wannenburg, J., Heyns, P.S. & Raath, A.D. Application of a fatigue equivalent static load methodology for the numerical durability assessment of heavy vehicle structures. International Journal of Fatigue, vol.31, 2009, pp.1541-1549. Ngwangwa, H.M., Heyns, P.S., Labuschagne, F.J.J and Kululanga, G.K. Reconstruction of road defects and road roughness classification using vehicle responses with artificial neural networks simulation. Journal of Terramechanics, vol.47, pp.97-111, 2010. Wannenburg, J, & Heyns, P.S. An overview of numerical methodologies for durability assessment of vehicle and transport structures. International Journal of Vehicle Systems Modelling and Testing Submitted. vol. 5, no. 1, June 2010, pp.72-101. Oberholster, A.J. & Heyns, P.S. Online blade damage identification on a multi-blade test rotor using rotor-axial Eulerian laser Doppler vibrometry. Mechanical Systems and Signal Processing, vol.25, 2011, pp.344-359. Wang, K.S. & Heyns, P.S. Application of computed order tracking, Vold-Kalman filtering and EMD in rotating machine vibration. Mechanical Systems and Signal Processing, vol.25, 2011, 416-430. 8 Pal, S. Heyns, P.S. Freyer, B.H., Theron, N.J. & Pal.S.K. Tool wear monitoring and selection of optimum cutting conditions with progressive tool wear effect and input uncertainties. Journal of Intelligent Manufacturing. Appeared online: 16 September 2009, DOI10.1007/s10845-009-0310-x. Wang, K.S. & Heyns, P.S. The combined use of order tracking techniques for enhanced Fourier analysis of order components. Mechanical Systems and Signal Processing. Accepted: 2010-10-11. 7.2 Chapter in book Scheffer, C. & Heyns, P.S. Vibration-based tool condition monitoring systems. Chapter 26: Vibration and Shock Handbook. De Silva C.W. (editor), CRC Press, Boca Raton, FL, 2005 Scheffer, C. & Heyns, P.S. Vibration-based tool condition monitoring systems. Chapter 7: Vibration monitoring, testing and instrumentation. De Silva C.W. (editor), CRC Press, Boca Raton, FL, 2007. Heyns, P.S. Vibration. Chapter 17: MHSC Handbook on mine occupational hygiene measurements. Editors: Stanton D.W., Kielblock, J. Schoeman, J.J. & Johnston, R.W. 2007. 7.3 Published full-length conference papers Haarhoff,P.C. & Heyns,P.S. Simulation of a large dynamic systems. South African Symposium on Structural Analysis and vibration, Pretoria, 1983 Heyns,P.S. Simulasie van Wapenstelseldinamika. 1st South African Weapon System Symposium., Pretoria, 1987. (English: Simulation of weapon system dynamics.) Heyns,P.S. & Klooster,G.N.S. Transient response of non-linear rotor systems. 8th Symposium on Finite Elements in South Africa., Pretoria, 1988 Neethling,P.L. & Heyns,P.S. Lanseergedrag van 'n elastiese missiel en lanseerder. 3rd South African Weapon System Symposium, Pretoria, 1989, B2.7(1-15). (English: Launch behaviour of an elastic missile and launcher.) Van der Walt,J.C. & Heyns,P.S. On the modal testing of structures with discrete rubber links. Proceedings of the 9th International Modal Analysis Conference, Florence, April 1991, pp.780-784. Heyns,P.S. & Starker,E. Transient response of accelerating rotor systems. Proceedings of the 10th International Modal Analysis Conference, San Diego, February 1992, pp.1389-1392. Snyman,J.A., Heyns,P.S. & Vermeulen,P.J. Vibration isolation of a mounted four cylinder V-engine through active balancing and mathematical optimization. 18th South African Symposium on Numerical Mathematics. Durban, July 1992. Van Wyk,A.J., Snyman,J.A. & Heyns,P.S. The mathematical modelling and optimization of a horizontal vibratory conveyor. FEMSA '93, Pretoria, July 1993. Heyns,M., Heyns,P.S. & Backeberg,R.A. The design of optimal guide roller systems for mining conveyances: A simulation study. Mine Hoisting 93. Second International Conference. London, June 1993. Scheffel,H.S Fröhling,R.D. & Heyns,P.S. Curving and stability analysis of self-steering bogies having a variable yaw constraint. 13th IAVSD Symposium: Dynamics of vehicles on roads and tracks. Chengdu, China, 23-27 August 1993. Published as supplement to Vehicle System Dynamics, Volume 23, pp.425436. Vári,L.M. & Heyns,P.S. Strain modal testing - Consequences and possibilities. Noise and Vibration ' 93. 9 Pretoria, 20-23 September 1993, pp.139-148. Vári,L.M. & Heyns,P.S. Using strain modal testing. Proceedings of the 12th International Modal Analysis Conference. Honolulu, January/February 1994, pp.1264-1270. Heyns,M. & Heyns,P.S. & Backeberg,R.A. The design of optimal guide roller systems for mining conveyances: A simulation study. Minetech 94, Johannesburg, September 1994. Heyns,P.S., Nel,C.B. & Snyman,J.A. Optimization of engine mounting configurations. ISMA19 - Tools for Noise and Vibration Analysis. Leuven, September 1994, pp.697-706. Heyns,P.S. Modal testing for structural damage assessment on industrial structures. Proceedings of Noise and Vibration '95, Pretoria, 8&9 November 1995, pp.347-356. Nel,C.B. & Heyns,P.S. An optimisation approach to mounting characterisation. Proceedings of Noise and Vibration '95, Pretoria, 8&9 November 1995, pp.366-374. Heyns,P.S. An optimization approach to engine mounting design, Proceedings of the 14th International Modal Analysis Conference, Detroit, February 1996, pp.1124-1129. Nel,C.B. & Heyns,P.S. Experimental evaluation of an optimisation program for a front wheel drive engine mount system. ISMA21 Noise and vibration engineering conference, Leuven, 18-20 September 1996, pp.1447-1457. Heyns,P.S. Structural damage assessment through operational vibration measurement. Proceedings of the 5th Mini-conference on vehicle system dynamics, Identification and Anomalies VSDIA'96, Budapest, 11-13 November 1996, pp.573-582. Heyns,P.S. Structural damage assessment using response-only measurements. Proceedings of DAMAS 97, Sheffield, 30 June - 2 July 1997, pp.213-223. Marwala,T. & Heyns,P.S. A new multiple criterion method for detecting damage. Proceedings of the IUTAM-IITD International Winter School on Optimum Dynamic Design using Modal Testing and Structural Dynamic Modification, New Delhi, India, 15-19 December 1997, pp. 143-152. Marwala,T. & Heyns,P.S. A multiple-criterion method for determining structural damage. Proceedings of the 16th International Modal Analysis Conference, Santa Barbara, February 2-5, 1998, pp.1682-1687. Kriel,C.J. & Heyns,P.S. Damage identification on piping systems using on-line monitoring of dynamic properties. Proceedings of the 17th International Modal Analysis Conference, Kissimmee, 8-11 February 1999, pp. 482-488. Van Niekerk,J.L., Heyns,P.S. & Heyns,M. Human vibration levels in the South African mining industry. 34th United Kingdom Group Meeting on Human Responses to Vibration, Dunton, England, 22-24 September 1999. Scheffer,C. & Heyns,P.S. Synthetic diamond tool wear monitoring using vibration measurements. Proceedings of the 18th International Modal Analysis Conference, San Antonio, Texas, 7-10 February 2000, pp. 245-251. Heyns,P.S. An optimisation approach to engine mounting design. Proceedings of the International Workshop on Multidisciplinary Design Optimisation, Pretoria, 7-10 August 2000, pp.173-180. Scheffer,C. & Heyns,P.S. Monitoring of turning tool wear using vibration measurements and neural network classification. Proceedings ISMA25 Conference, Belgium, September 2000, pp.899-906. Stander,C.J. & Heyns,P.S. Fault detection on gearboxes operating at varying speed and load. Comadem 2000, Houston, 3-8 December 2000, pp. 1011-1020. Scheffer,C. & Heyns, P.S. Development of an adaptable tool condition monitoring system. Comadem 10 2000, Houston, 3-8 December 2000, pp.361-370. Marwala,T., Adhikari,S. & Heyns,P.S. Model updating using pseudo-modal-energies. Proceedings of the 19th International Modal Analysis Conference, Kissimmee, 5-8 February 2001, pp.207-213. Du Plooy,N.F. & Heyns,P.S. The development of a tuned vibration absorber for a pneumatic rock-drill handle. Proceedings of the IX International Symposium on Dynamic Problems of Mechanics DINAME IX, Florianopolis, Brazil. 5-9 March 2001, pp.531-536. Du Plooy,N.F. & Heyns, P.S. Reducing vibratory screen structural loading using a vibration absorber. Proceedings of the International Conference on Structural Engineering, Mechanics and Computation SEMC2001, Cape Town, 2-4 April 2001, pp.905-912. Scheffer, C. & Heyns, P.S. Tool condition monitoring systems – An overview. Proceedings of the International Conference on Competitive Manufacturing COMA'01. Stellenbosch. 31 January - 2 February 2001, pp.316-323. Stander, C.J. & Heyns, P.S. Fault detection on gearboxes operating under fluctuating load conditions. Condition Monitoring and Diagnostic Engineering Management. Comadem 2001. Proceedings of the 14th International Congress. Manchester, 4-6 September 2001, pp.457-464. Heyns, P.S. & Smit, W.G. On-line vibration monitoring for detecting fan blade damage. Condition Monitoring and Diagnostic Engineering Management. Comadem 2001. Proceedings of the 14th International Congress. Manchester, 4-6 September 2001, pp. 681-687. Hoffman,A.J., Van der Merwe,N.T., Heyns, P.S., Scheffer,C. & Stander,C. The application of neural networks to vibrational diagnostics for multiple fault conditions. Condition Monitoring and Diagnostic Engineering Management. Comadem 2001. Proceedings of the 14th International Congress. Manchester, 4-6 September 2001, pp. 537-544. Du Plooy,N.F. & Heyns, P.S. Using a vibration absorber to reduce vibratory screen structural loading. Proceedings of the International Modal Analysis Conference IMAC-XX, Los Angeles, February 4-7, 2002, pp.1313-1317. Scheffer,C. & Heyns,P.S. A robust and cost-effective system for conducting cutting experiments in a production environment. 3rd International Seminar on Intelligent Computation in Manufacturing Engineering ICME 2002, 3-5 July 2002, Ischia, Italy. Stander,C.J & Heyns,P.S. Instantaneous shaft speed monitoring of gearboxes under fluctuating load conditions. Comadem 2002. Proceedings of the 15th International Congress. Birmingham, September 2002. Scheffer,C. & Heyns,P.S. Monitoring of turning tool wear on the shop floor using artificial intelligence. Comadem 2002. Proceedings of the 15th International Congress. Birmingham, September 2002. Du Plooy,N.F. & Heyns,P.S. The development of a vibration absorbing isolator. Proceedings of ISMA27 Conference, Belgium, September 2002. Mdlazi,L., Marwala,T., Stander,C.J., Scheffer,C. & Heyns,P.S. Principal component analysis and automatic relevance detection in damage identification. Proceedings of the International Modal Analysis Conference IMAC XXI, Kissimmee, Orlando, February 2003. Heyns,P.S. & Scheffer,C. Developments in vibration based tool condition monitoring Proceedings of the 10th International Congress on Sound and Vibration ICSV10, Stockholm Sweden, 7-10 July 2003, pp.4739-4746. Stander, C.J. & Heyns, P.S. Condition monitoring of gears under cyclic stationary and non-cyclic stationary loading conditions. Proceedings of the 16 th International Conference on Condition Monitoring and Diagnostic Engineering Management Comadem 2003. Vaxjo Sweden, 27-29 August 2003, pp.601-610. 11 Stander, C.J. & Heyns, P.S. A review of signal processing techniques for condition monitoring. Proceedings of the International Conference on asset and maintenance management. Pretoria, 1-2 October 2003. Mdlazi,L., Stander, C.J., Marwala,T. and Heyns, P.S. Development of a synchronous filter for time domain and rotation domain averaging. Proceedings of the Fourth South African Conference on Applied Mechanics SACAM'04, Johannesburg, 18-21 January 2004, Paper No.21. Stander, C.J. & Heyns, P.S. Experimental analysis and simulation of machine tool vibration. Proceedings of the Fourth South African Conference on Applied Mechanics SACAM'04, Johannesburg, 18-21 January 2004, Paper No 7. Cronjé,J.M., Heyns,P.S., Theron,N.J. & Loveday,P.L. Development of a tunable vibration isolator utilising a smart actuator. Proceedings of the Fourth South African Conference on Applied Mechanics SACAM'04, Johannesburg, 18-21 January 2004, Paper No 3. Cronjé, J.M., Heyns, P.S., Theron, N.J. & Loveday, P.W. Development of a variable stiffness spring for adaptive vibration isolators. Proceedings of the SPIE edited by K-W Wang, vol.5386, July 2004, pp. 3340. Heyns, P.S. & Oberholster, A.J. On-line fan blade damage detection. Proceedings of the 11th International Congress on Sound and Vibration ICSV11, St Petersburg, Russia, 5-8 July 2004. Thompson, R.J., Visser, A.T. & Heyns, P.S. Integrating real-time mine haul road maintenance management with mine-wide asset location and communication systems. Proceedings of the 6th International Conference on Managing Pavements, Brisbane, Australia, 19-24 October 2004. Mdlazi, L., Stander, C.J., Heyns, P.S. & Marwala, T. Using artificial intelligence for data reduction in mechanical engineering. The Fifteenth International Symposium of the Pattern Recognition Society of South Africa, Grabouw, South Africa, 25-26 November 2004. Freyer, B.H., uk Wang, S., Theron, N.J. & Heyns, P.S. Simulated active control of tool vibrations and simultaneous tool condition monitoring. Condition Monitoring 2005, Cambridge, United Kingdom, 18 – 21 July 2005, pp. 127 – 132. Hugo, D., Heyns, P.S., Thompson, R.J. & Visser, A.T. Haul road condition monitoring using vehicle response measurements. Proceedings of the 12th International Congress on Sound and Vibration ICSV12, Lisbon, Portugal, 11-14 July 2005. Ngwangwa, H.M., Heyns, P.S. & Van Tonder, F. Structural damage assessment using operation time responses. Proceedings of the 12th International Congress on Sound and Vibration ICSV12, Lisbon, Portugal, 11-14 July 2005. Van Tonder, F., Heyns, P.S. & Wannenburg, J. Numerical verification of a proposed dynamic fatigue design methodology. Proceedings of the 9th International Fatigue Congress, Atlanta, Georgia, 14-19 May 2006. Sambayi, P.M.K. & Heyns, P.S. Drill wear monitoring based on measured instantaneous angular speed. Proceedings of the 13th International Congress on Sound and Vibration ICSV13, Vienna, Austria, 2-6 July 2006 Schön, P.P. & Heyns, P.S. Unconditionally convergent adaptive filtering. International Conference on Modelling and Optimization of Structures, Processes and Systems, Durban, 22-24 January 2007. Phillips, J.I., Heyns, S. and Nelson, G. Hand arm vibration syndrome in the South African mining industry. Proceedings of the 11th International Conference on Hand-Arm Vibration, Bologna, Italy, 3-7 June 2007, pp.123-129. 12 Oberholster, A.J. & Heyns, P.S. The application of Eulerian laser Doppler vibrometry to on-line damage detection of axial flow turbomachinery blades. Proceedings of Comadem 2007, Faro, Portugal, 13-15 June 2007. Heyns, P.S. Tool condition monitoring using vibration measurements – A review. 4th International Conference on Condition Monitoring, Harrowgate, UK, 11-14 Junie 2007, pp.785- 794. (Invited lecture). Mdlazi, L., Stander, C.J., Heyns, P.S. & Marwala, T. Data reduction in gear vibration analysis, 4th International Conference on Condition Monitoring, Harrowgate, UK, 11-14 June 2007, pp.1415-1425. Heyns, P.S., Stander, C.J. Oberholster, A.J., Schön, P.P. & Ngwangwa, H.M. Machine and structural health monitoring: Some recent developments. SEMC, Cape Town, 10-12 September 2007 (Invited lecture). Theron, N.J. Freyer, B.H. & Heyns, P.S. Using a self-sensing actuator in active tool vibration control during turning. 1 st Robotics and Mechatronics Symposium, Pretoria, 12 November 2007. Ngwangwa, H.M., Heyns, P.S. & Labuschagne, F.J.J. and Kululanga, G.K. An overview of the neural network based technique for monitoring of road condition via reconstructed road profiles. Proceedings of the 27th Southern African Transport Conference (SATC2008), Pretoria, 7-11 July 2008. Oberholster, A.J. & Heyns, P.S. A study of the non-harmonic Fourier analysis technique. Comadem 2008, Prague, June 2008. Wang, K. & Heyns, P.S. Inspecting FFT order components through the joint use of computed order tracking and Vold-Kalman filter order tracking. Comadem 2008, Prague, June 2008. Tshitshonu E.K. & Heyns, P.S. Wavelet analysis for the investigation of misalignment geophone features. Condition Monitoring 2008. Edinbrough. Heyns, P.S., Grové, A.P., Schön, P.P. and Oberholster, A.J. Development of a monitoring strategy for a large electrical generator. Condition Monitoring 2009, Dublin, 23 – 23 June 2009. Wang, K. S. & Heyns, P. S. (2009), A practical vibration signal processing technique for rotating mechanism condition monitoring-(IVK-OT). International Aerospace Symposium of South Africa, Nov. 2009. Aye, S.A. and Heyns, P.S. Evaluation of operator whole body vibration and shock exposure on excavators used in an open cast mine based on ISO 2631-1 and 2631-5. 7th South African Conference on Computational and Applied Mechanics, SACAM10, Pretoria, 10-13 January 2010. Andhavarapu, E.V, Loveday, P.W., Long, C.S. & Heyns, P.S. Accuracy of semi-analytical finite elements for modelling wave propagation in rails. 7th South African Conference on Computational and Applied Mechanics, SACAM10, Pretoria, 10-13 January 2010. Andhavarapu, E.V, Loveday, P.W., Long, C.S. & Heyns, P.S. Efficient modelling of piezoelectric transducers exciting elastic waves in rails. Second African Conference on Computational Mechanics, AfriCOMP11, Cape Town, January 5 – 8, 2011. Schön, P.P and Heyns, P.S. Electrical generator end-winding vibration monitoring. Second African Conference on Computational Mechanics – AfriCOMP11, Cape Town, January 5 – 8, 2011. Mbawala, S.J., Heymann, G., Roth, C.P. and Heyns, P.S. Numerical modelling of wave propagation in ground using non-reflecting boundaries. 15th African Regional Conference on Soil Mechanics and Geotechnical Engineering, Maputo, Mozambique, 18-21 July 2011. 13 7.4 Non-refereed publications or popular articles Heyns,P.S. Tools for vibration troubleshooting. The South African Mechanical Engineer, vol.45, no.7, 1995, pp.15-18. Stander, C.J. & Heyns, P.S. Mechanical fault diagnostics through time frequency analysis. Mechanical Technology, July 2004, pp.22-25. Heyns, P.S., Oberholster, A.J. & Thoresson, M. Measuring vibration with lasers? The South African Mechanical Engineer, vol.56, no.11, 2006, pp.25-26. 7.5 Patents N.A. 7.6 Technical reports Several hundred Laboratory for Advanced Engineering, Research Enterprises at University of Pretoria, and Business Enterprises at University of Pretoria project reports. 8. OTHER SCHOLARLY RESEARCH-BASED CONTRIBUTIONS 8.1 Participation in conferences, workshops and short courses - specify type of contribution 8.1.1 National N&V93 Chairman of Technical Committee, N&V95 Chairman of Organizing Committee SACAM2004 Member of Advisory Committee. 8.1.2 International Session chairman at Comadem, Condition Monitoring, ISMA and IMAC conferences. Member of international scientific advisory board, The International Conference on Structural Engineering, Mechanics and Computation,SEMC2001, Cape Town 2001, 2004, 2007, 2010. Member of International Scientific Advisory Committee, Condition Monitoring: Cambridge 2005, Harrowgate 2008, Dublin 2009, Stratford-upon-Avon 2010. Vice chairman of Condition Monitoring: Dublin 2009. Member of International Advisory Committee: ACAM6 Australia 2010. 8.2 Teamwork and collaboration with others: University of Aachen, Tool vibration monitoring, 2001-2002 North-West University, Vibration monitoring, 2000-2001 Vaal University of Technology, Vibration monitoring, 2000 – 2005 Institute of Sound and Vibration, University of Southampton, Vibration attenuation, 2001 - 2005 University of the Witwatersrand, Artificial intelligence in monitoring, 2003 – 2009 Indian Institute of Technology Kharagpur, 2006 – present University of Malawi, Blantyre, 2006 – 2010 Tsinghua University, Beijing, 2008 – present University of Johannesburg, Johannesburg, 2009-present 8.3 Membership in national and international bodies 14 Fellow: SA Academy of Engineering Fellow: Southern African Acoustics Institute (President: 1996/1997) Member: SA Institute for Mechanical Engineering. Member: South African Academy for Science and Art. (Chairman: Engineering Division and member: Faculty Board for several terms.) Member: South African Institute of Aeronautical Engineers. Member: Society for Experimental Mechanics 9. COMMUNITY SERVICE OR PROFESSIONAL SKILLS 9.1 Professional service performed Registered as professional engineer Member: ECSA council (1995 till 2001). Chairman: ECSA Professional Advisory Committee: Aeronautical Engineering (2000-2001) Served on Chamber of Mines Shaft Steelwork committee for many years. Member of seven ECSA accreditation teams (leader of three) Section head of group responsible for the development of a turbine for a low-cost turbojet engine, as well as several projects relating to the protection of aircraft from infrared missiles (1979-1982). Since 1982 maintained very active links with industry, through the Laboratory for Advanced Engineering, REatUP, and currently BEatUP. This work has led to broad exposure to South African industry and abroad, ranging from the military and aeronautical industries to mining and manufacturing. Most of this work was in the vibrations and structural dynamics fields. Clients include: Amcoal, Anglo American Corporation, Autocar, Armscor, Anglo American Corporation, Bell Equipment, BKS, Caterpillar, Cummins Diesel Engines, Engart Africa, Joy Mining Machinery, Lemförder, PetroSA, Nissan, Robor Cold Form, Samcor, Sasol, Sasol Mining, SIMRAC, TES, Thales Defence Systems and conducted and managed analysis and testing projects to the value of millions of Rand. 9.5 Referee duties Member of International Advisory Board (regional advisor Africa): The International Journal of Condition Monitoring. Refereed articles for: Advances in Acoustics and Vibration, Applied Soft Computing, International Journal of Acoustics and Vibration, International Journal of Systems Science, International Journal of Vehicle Design, IEEE Transactions on Instrumentation and Measurement, Journal of Intelligent Material Systems and Structures, Journal of Mechanical Engineering, Journal of Sound and Vibration, Mechanical Systems and Signal Processing, R&D Journal, SA Tydskrif vir Natuurwetenskap en Tegnologie, SAICE Journal, Scientia Iranica, Shock and Vibration, Structural Engineering and Mechanics, Technical Acoustics, Transactions of the Institution of Mining and Metallurgy, The ASME Journal of Manufacturing Science and Engineering, The Royal Society: Proceedings Mathematical, Physical and Engineering Sciences, World Applied Sciences Journal. Acted as external examiner for masters and doctoral theses and programs at: Curtin University of Technology, Northwest University, University of New South Wales, Indian Institute of Technology Guwahati, University of Natal, University of the Witwatersrand, University of Johannesburg, University of Stellenbosch. 10. AWARDS AND SCIENTIFIC/SCHOLARLY RECOGNITION 15 10.1 Evaluation status as scientist/scholar C2 NRF researcher 10.2 Research awards and prizes Two Mellon Foundation grants. Rand Coal Award for research paper in R&D Journal. South-African Institute of Mechanical Engineering Bronze Medals for research papers in R&D Journal. South-African Institute of Mechanical Engineering Silver Medal for research paper in R&D Journal. Best Paper Award Theme 4 6th International Conference on Managing Pavement (with Proff Visser and Thompson) Best Paper:Transportation Engineering Division SAICE (with Proff Visser and Thompson). 2011-01-03 16