Department of Mechanical and Industrial Engineering

Dr H Ngwangwa (Student, Staff and Community Engagement)

College of Science, Engineering and Technology
School of Engineering
Department: Mechanical and Industrial Engineering
Associate Chair
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,

Book Chapter(s):

  • 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.