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Mr Ahmad Ayub


Use of optimized centroid and weighted centroid algorithms to locate a partial discharge source by using received signal strength. (2021)
Conference Proceeding
KHAN, U.F., JANJUA, G.M.W., AYUB, A., ILYAS, M.A., SHAHZAD, K. and MOHAMED, H. 2020. Use of optimized centroid and weighted centroid algorithms to locate a partial discharge source by using received signal strength. In Proceedings of 23rd Wireless personal multimedia communications symposium 2020 (WPMC2020): bridging wireless and business worlds, 19-26 October 2020, [virtual conference]. Piscataway: IEEE [online], article ID 9309452. Available from: https://doi.org/10.1109/WPMC50192.2020.9309452

Received signal strength (RSS) based localization of a source is a simple but effective technique. In RSS based localization source location is estimated by converting obtained signal into distance. In this paper, centroid and weighted centroid algor... Read More about Use of optimized centroid and weighted centroid algorithms to locate a partial discharge source by using received signal strength..

Renewable energy performance of the green buildings: key-enabler on useful consumption yield. (2020)
Journal Article
AMRAN, M.E., MUHTAZARUDDIN, M.N., KAMARUDDIN, S.A., MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., AYUB, A.S., BANI, N.A., SAUDI, A.S.M. and ARDILA-REY, J.A. 2020. Renewable energy performance of the green buildings: key-enabler on useful consumption yield. IEEE access [online], 8, pages 95747- 95767. Available from: https://doi.org/10.1109/ACCESS.2020.2996573

Malaysia’s Eleventh Plan started to encourage green building developments and green industries to stimulate green growth. Eventually, the Malaysian government had launched a new commitment to accelerate the green and efficient energy sector and revis... Read More about Renewable energy performance of the green buildings: key-enabler on useful consumption yield..

Lightning protection methods for wind turbine blades: an alternative approach. (2020)
Journal Article
MUCSI, V., AYUB, A.S., MUHAMMAD-SUKKI, F., ZULKIPLI, M., MUHTAZARUDDIN, M.N., SAUDI, A.S.M. and ARDILA-REY, J.A. 2020. Lighting protection methods for wind turbine blades: an alternative approach. Applied sciences [online], 10(6), article ID 2130. Available from: https://doi.org/10.3390/app10062130

Lightning strikes happens in a fraction of time, where they can transfer huge amounts of charge and high currents in a single strike. The chances for a structure to be struck by lightning increases as the height increases; thus, tall structures are m... Read More about Lightning protection methods for wind turbine blades: an alternative approach..

The open air electrical-field activated sintering and forming of micro components. (2019)
Book Chapter
ZULKIPLI, M., QIN, Y., YANG, Y., SHAARI, M.F., AYUB, A. and MUHAMMAD-SUKKI, F. 2019. The open air electrical-field activated sintering and forming of micro components. In Ismail, T.N.H.B.T., Rashid, A.H.A., Roslan, M.N., Hairom, N.H.H., Noh, F.H.M., Mamat, T.N.A.R. and Adnan, S.H. (eds.) Advanced technology centre: research and innovation. Series 2. Malaysia: UHTM, pages 133-148.

As the demand for the miniature products has increased significantly, so also has the need for these products to be produced in a rapid, flexible and cost-efficient manner. The application of electroplasticity shows significant potential to produce t... Read More about The open air electrical-field activated sintering and forming of micro components..

Potential of floating solar technology in Malaysia. (2019)
Journal Article
JAMALLUDIN, M.A.S., MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., RAMLEE, F., MUNIR, A.B., BANI, N.A., MUHTAZARUDDIN, M.N., MAS'UD, A.A., ARDILA-REY, J.A., AYUB, A.S. and SELLAMI, N. 2019. Potential of floating solar technology in Malaysia. International journal of power electronics and drive system [online], 10(3), pages 1638-1644. Available from: https://doi.org/10.11591/ijpeds.v10.i3.pp1638-1644

Solar energy is a natural source of energy and is tremendously abundant. The concept of floating solar is to fulfil and to support the existing energy supply in order to enhance the human life. The floating solar exploits the massive availability of... Read More about Potential of floating solar technology in Malaysia..

Design of solar powered charging backpack. (2018)
Journal Article
TAVERNE, J., MUHAMMAD-SUKKI, F., AYUB, A.S., SELLAMI, N., ABU-BAKAR, S.H., BANI, N.A., MAS'UD, A.A. and IYI, D. 2018. Design of solar powered charging backpack. International journal of power electronics and drive systems [online], 9(2), pages 848-858. Available from: https://doi.org/10.11591/ijpeds.v9n2.pp848-858

This paper demonstrated a step by step process in designing a solar powered charging backpack that is capable of charging a mobile phone efficiently. A selection of existing products available on the market were reviewed and compared to ascertain the... Read More about Design of solar powered charging backpack..

External lightning protection system for wind turbine blades - power performance. (2018)
Journal Article
AYUB, A.S., SIEW, W.H. and STICKLAND, M. 2018. External lighting protection system for wind turbine blades - power performance. CIGRE science and engineering [online], 10, pages 88-94 Available from: https://e-cigre.org/publication/CSE010-cse-010

Previous studies conducted by the authors on the aerodynamic performance of turbine blades have shown unfavourable effects of externally mounted lightning down conductors. Owing to this, one could ask whether or not externally mounted lightning down... Read More about External lightning protection system for wind turbine blades - power performance..

Solar powered charging backpack. (2017)
Presentation / Conference
TAVERNE, J., MUHAMMAD-SUKKI, F., AYUB, A.S., SELLAMI, N., ABU-BAKAR, S.H., BANI, N.A. and MAS'UD, A.A. 2017. Solar powered charging backpack. Presented at the 2017 International conference on electrical, electronic, communication and control engineering (ICEECC2017), 5-6 December 2017, Kuala Lumpur, Malaysia.

This paper demonstrated a step by step process in designing a solar powered charging backpack that is capable of charging a mobile phone efficiently. A selection of existing products available on the market were reviewed and compared to ascertain the... Read More about Solar powered charging backpack..

External lightning protection system for wind turbine blades - aerodynamics. (2017)
Journal Article
AYUB, A.S., SIEW, W.H. and STICKLAND, M. 2017. External lighting protection system for wind turbine blades - aerodynamics. CIGRE science and engineering [online], 9, pages 55-62. Available from: https://e-cigre.org/publication/CSE009-cse-009

Many wind turbine blade manufacturers have installed lightning protection systems (particularly the down conductor) internally. Having the down conductor internally within the blades would indeed preserve their aerodynamic performance. However, the b... Read More about External lightning protection system for wind turbine blades - aerodynamics..

Method to discard partial discharge (PD) pulses from neighboring high voltage equipment. (2015)
Journal Article
MOHAMED, F.P., SIEW, W.H., STRACHAN, S.S., AYUB, A.S. and MCLELLAN, K. 2015. Method to discard partial discharge (PD) pulses from neighboring high voltage equipment. High voltage engineering [online], 4, pages 1125-1131. Available from: http://caod.oriprobe.com/articles/44523683/Method_to_Discard_Partial_Discharge_Pulses_from_Neighboring_High_Volta.htm

On-line partial discharge (PD) diagnostics data are corrupted by various noise sources and this makes it more challenging to extract the PD signal contained in the raw data. Though the noise sources can be filtered out using signal processing techniq... Read More about Method to discard partial discharge (PD) pulses from neighboring high voltage equipment..