Department of Mechanical and Industrial Engineering

Dr H Ngwangwa

College of Science, Engineering and Technology
School of Engineering
Department: Mechanical and Industrial Engineering
Senior Lecturer
Tel: 011 471 2079
E-mail: ngwanhm@unisa.ac.za

Qualifications

  • PhD Mechanical Engineering- University of Pretoria (UP, 2014)
  • MSc Mechanical Engineering- University of Pretoria (UP, 2004)
  • BSc Hons Mechanical Engineering (UP, 2002)
  • BSc Mechanical Engineering (University of Malawi, 1995)

Fields of academic interests

Research interests

  • Condition Monitoring of Engineering Structures

  • Rotordynamics
  • Machinery and infrastructure health monitoring using AI methods
  • Kinetic energy harvesting from Biosystems

Field of Specialisation

  • Structural dynamics (Mechanical vibrations)
  • Finite element analysis
  • Artificial Intelligence (AI)
  • Infrastructure condition monitoring

Books

HM Ngwangwa, PS Heyns, HGA Breytenbach, PS Els Validating Road Profile Reconstruction Methodology Using ANN Simulation on Experimental Data, Chapter in Optical Measurements, Modeling, and Metrology, Volume 5,2011: pp: 345-357

Journal articles

  • P.S. Heyns, H.M. Ngwangwa, T. Heyns, S. van der Westhuizen,e-Monitoring for haul road maintenance in mining applications. e-Maintenance 2012. Luleå Sweden 12-14 December 2012.
  • P.S.Heyns, C.J. Stander, T. Heyns, K. Wang, & H.M. Ngwangwa  Vibration based condition monitoring under fluctuating load and speed conditions. 18th World Conference on Non-destructive Testing. Durban, South Africa, 16 – 20 April 2012.
  • H.M. Ngwangwa, P.S. Heyns Comparative evaluation in the performance of NARX and GRNN on Road profile reconstruction. Second African Conference on Computational Mechanics – An International Conference – AfriCOMP11, January 5 – 8, 2011, CapeTown.
  • Ngwangwa, H.M., Heyns, P.S., Labuschagne, F.J.J., Kululanga, G.K. Overview of the neural network based technique for monitoring of road condition via reconstructed road profiles, Southern African Transport Conference (SATC2008), Pretoria, 7-10 July 2008.
  • 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 paper).

Projects

  • Wind turbine project

Other

Publications

P.S. Heyns, H.M. Ngwangwa, T. Heyns, S. van der Westhuizen, e-Monitoring for haul road maintenance in mining applications. e-Maintenance 2012. Luleå Sweden 12-14 December 2012.

P.S.Heyns, C.J. Stander, T. Heyns, K. Wang, & H.M. Ngwangwa ,Vibration based condition monitoring under fluctuating load and speed conditions. 18th World Conference on Non-destructive Testing. Durban, South Africa, 16 – 20 April 2012.

H.M. Ngwangwa, P.S. Heyns Comparative evaluation in the performance of NARX and GRNN on Road profile reconstruction. Second African Conference on Computational Mechanics – An International Conference – AfriCOMP11, January 5 – 8, 2011, CapeTown.

Ngwangwa, H.M., Heyns, P.S., Labuschagne, F.J.J., Kululanga, G.K. Overview of the neural network based technique for monitoring of road condition via reconstructed road profiles, Southern African Transport Conference (SATC2008), Pretoria, 7-10 July 2008.

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 paper).

Ngwangwa, H.M., Heyns, P.S. & Van Tonder, F., Structural damage assessment using operational time responses. Proceedings of the 12th International Congress on Sound and Vibration ICSV12, Lisbon, Portugal, 11-14 July 2005, pp 5358-5365.