Now showing items 1-20 of 97

  • Training neural networks using Taguchi methods: overcoming interaction problems. 

    Viswanathan, Alagappan; Macleod, Christopher; Maxwell, Grant M.; Kalidindi, Sashank (Springer https://dx.doi.org/10.1007/11550907_17, 2005-09-01)
    VISWANATHAN, A., MACLEOD, C., MAXWELL, G. and KALIDINDI, S. 2005. Training neural networks using Taguchi methods: overcoming interaction problems. Lecture notes in computer science [online], 3697, Proceedings of the 15th international conference on artifical neural networks (ICANN 2005): formal models and their applications, 11-15 September 2005, Warsaw, Poland, part 2, pages 103-108. Available from: https://dx.doi.org/10.1007/11550907_17
    Taguchi Methods (and other orthogonal arrays) may be used to train small Artificial Neural Networks very quickly in a variety of tasks. These include, importantly, Control Systems. Previous experimental work has shown that ...
  • Evolutionary algorithms for real-time artificial neural network training. 

    Jagadeesan, Ananda Prasanna; Maxwell, Grant M.; Macleod, Christopher (Springer https://dx.doi.org/10.1007/11550907_12, 2005-09-01)
    JAGADEESAN, A., MAXWELL, G. and MACLEOD, C. 2005. Evolutionary algorithms for real-time artificial neural network training. Lecture notes in computer science [online], 3697, Proceedings of the 15th international conference on artifical neural networks (ICANN 2005): formal models and their applications, 11-15 September 2005, Warsaw, Poland, part 2, pages 73-78. Available from: https://dx.doi.org/10.1007/11550907_12
    This paper reports on experiments investigating the use of Evolutionary Algorithms to train Artificial Neural Networks in real time. A simulated legged mobile robot was used as a test bed in the experiments. Since the ...
  • Stress effects on flow partitioning in fractured reservoirs: equivalent porous media versus poro-elasticity coupled modeling. 

    Sanaee, Reza; Oluyemi, Gbenga Folorunso; Hossain, Mamdud; Oyeneyin, Babs (ARMA (CONFERENCE ORGANISERS), 2013-06-23)
    SANAEE, R., OLUYEMI, G.F., HOSSAIN, M. and OYENEYIN, M.B. 2013. Stress effects on flow partitioning in fractured reservoirs: equivalent porous media versus poro-elasticity coupled modeling. In the Proceedings of the 47th U.S. rock mechanics/geomechanics ARMA symposium, 23 - 26 June 2013, San Francisco, US. Alexandira, VA: ARMA, document ID 13-442.
    In this paper the effects of overburden stress on fracture-matrix flow partitioning were numerically analyzed using two different numerical approaches; the analysis was validated using a fractured Clashach core flood ...
  • Investigation of the effectiveness of video quality metrics in video pre-processing. 

    Chilukamari, Jayachandra; Kannangara, Sampath; Maxwell, Grant M. (IEEE https://doi.org/10.1109/ICCE-Berlin.2013.6698005, 2013-09-09)
    CHILUKAMARI, J., KANNANGARA, S. and MAXWELL, G. 2013. Investigation of the effectiveness of video quality metrics in video pre-processing. In Proceedings of the 3rd IEEE international conference on consumer electronics - Berlin (ICCE-Berlin 2013), 9-11 September 2013, Berlin, Germany. New York: IEEE [online], pages 1-5. Available from: https://doi.org/10.1109/ICCE-Berlin.2013.6698005
    This paper presents an investigation of the effectiveness of current video quality measurement metrics in measuring variations in perceptual video quality of pre-processed video. The results show that full-reference video ...
  • A DCT based in-focus visual saliency detection algorithm. 

    Chilukamari, Jayachandra; Kannangara, Sampath; Maxwell, Grant M. (IEEE https://doi.org/10.1109/ICCE-Berlin.2013.6698003, 2013-09-09)
    CHILUKAMARI, J., KANNANGARA, S. and MAXWELL, G. 2013. A DCT based in-focus visual saliency detection algorithm. In Proceedings of the 3rd IEEE international conference on consumer electronics - Berlin (ICCE-Berlin 2013), 9-11 September 2013, Berlin, Germany. New York: IEEE [online], pages 1-5. Available from: https://doi.org/10.1109/ICCE-Berlin.2013.6698003
    A novel low-complexity visual saliency detection algorithm for detecting visually salient regions in images based on camera focus is presented. This fast in-focus region detection algorithm detects salient-frequencies ...
  • Comprehensive steady state analysis of bidirectional dual active bridge DC/DC converter using triple phase shift control. 

    Harrye, Yasen A.; Ahmed, Khaled H.; Adam, G. P.; Aboushady, Ahmed A. (IEEE https://dx.doi.org/10.1109/ISIE.2014.6864653, 2014-06-01)
    HARRYE, Y.A., AHMED, K.H., ADAM, G.P. and ABOUSHADY, A.A. 2014. Comprehensive steady state analysis of bidirectional dual active bridge DC/DC converter using triple phase shift control. In the Proceedings of the 23rd International symposium on industrial electronics (ISIE 2014), 1-4 June 2014, Istanbul, Turkey. New York: IEEE [online], pages 437-442. Available from: https://dx.doi.org/10.1109/ISIE.2014.6864653
    Several papers have been published recently on TPS control of dual active bridge (DAB) converter, however, no complete study of the converter operation behaviour exists, that takes into account all switching modes in both ...
  • A low complexity visual saliency model based on in-focus regions and centre sensitivity. 

    Chilukamari, Jayachandra; Kannangara, Sampath; Maxwell, Grant M. (IEEE https://doi.org/10.1109/ICCE-Berlin.2014.7034250, 2014-09-10)
    CHILUKAMARI, J., KANNANGARA, S. and MAXWELL, G. 2014. A low complexity visual saliency model based on in-focus regions and centre sensitivity. In Proceedings of the 4th IEEE international conference on consumer electronics - Berlin (ICCE-Berlin 2014), 7-10 September 2014, Berlin, Germany. New York: IEEE [online], pages 411-414. Available from: https://doi.org/10.1109/ICCE-Berlin.2014.7034250
    A novel low-complexity visual saliency detection algorithm for detecting salient regions in images is proposed. The algorithm derives salient regions based on in-focus regions and image centre sensitivity. The performance ...
  • Rheological behaviour of single-phase non-Newtonian polymer solution in complex pore geometry: a simulation approach. 

    Idahosa, Patrick E.G.; Oluyemi, Gbenga Folorunso; Prabhu, Radhakrishna; Oyeneyin, Babs (COMSOL https://www.comsol.com/paper/rheological-behaviour-of-single-phase-non-newtonian-polymer-solution-in-complex--18685, 2014-09-17)
    IDAHOSA, P., OLUYEMI, G., PRABHU, R. and OYENEYIN, B. 2014. Rheological behaviour of single-phase non-Newtonian polymer solution in complex pore geometry: a simulation approach. In Proceedings of the 2014 COMSOL conference, 17-19 September 2014, Cambridge, UK. Burlington: COMSOL [online], pages 2372-2215. Available from: https://www.comsol.com/paper/rheological-behaviour-of-single-phase-non-newtonian-polymer-solution-in-complex--18685
    One of the most important criteria for evaluating chemical enhanced oil recovery (EOR) processes that use polymers is its rheological behaviour which in turn account for other physical effects of adsorption and resistance ...
  • Gas transport and characterization of inorganic ceramic membrane for lactic acid esterification. 

    Okon, Edidiong; Shehu, Habiba; Gobina, Edward (International Association of Engineers., 2014-10)
    OKON, E., HABIBA, S. and GOBINA, E., 2014. Gas transport and characterization of inorganic ceramic membrane for lactic acid esterification. In: S.I. AO, C. DOUGLAS, W.S. GRUNDFEST and J. BURGSTONE, EDS. Proceedings of the World Congress on Engineering and Computer Science 2014. 22-24 October, 2014. San Francisco: International Association of Engineers. Volume II, pp. 590-594. ISBN 9789881925374.
    Ethyl lactate is an important organic ester, which is biodegradable in nature and widely used as food additive, perfumery, flavor chemicals and solvent. Inorganic porous ceramic membrane has shown a lot of advantages in ...
  • Reactive power minimization of dual active bridge DC/DC converter with triple phase shift control using open loop neural network. 

    Harrye, Yasen A.; Ahmed, Khaled H.; Aboushady, Ahmed A. (IEEE https://dx.doi.org/10.1109/ICRERA.2014.7016448, 2014-10-19)
    HARRYE, Y.A., AHMED, K.H. and ABOUSHADY, A.A. 2014. Reactive power minimization of dual active bridge DC/DC converter with triple phase shift control using neural network. In the Proceedings of the 3rd international conference on renewable energy research and applications (ICRERA 2014), 19-22 October 2014, Milwaukee, USA. New York: IEEE [online], pages 566-571. Available from: https://dx.doi.org/10.1109/ICRERA.2014.7016448
    Reactive power flow increases dual active bridge (DAB) converter RMS current leading to an increase in conduction losses especially in high power applications. This paper proposes a new optimized triple phase shift (TPS) ...
  • Sensorless multi-loop control of phase-controlled series-parallel resonant converter. 

    Aboushady, Ahmed A.; Ahmed, Khaled H. (IEEE https://dx.doi.org/10.1109/ICRERA.2014.7016435, 2014-10-19)
    ABOUSHADY, A.A. and AHMED, K.H. 2014. Sensorless multi-loop control of phase-controlled series-parallel resonant converter. In the Proceedings of the 3rd international conference on renewable energy research and applications (ICRERA 2014), 19-22 October 2014, Milwaukee, USA. New York: IEEE [online], pages 502-507. Available from: https://dx.doi.org/10.1109/ICRERA.2014.7016435.
    This paper proposes a multi-loop controller for the phase-controlled series-parallel resonant converter. Output voltage is solely measured for control and inner loop is used to enhance closed loop stability and dynamic ...
  • Modified half-bridge modular multilevel converter for HVDC systems with DC fault ride-through capability. 

    Ahmed, Khaled H.; Aboushady, Ahmed A. (IEEE https://dx.doi.org/10.1109/IECON.2014.7049207, 2014-10-30)
    AHMED, K.H. and ABOUSHADY, A.A. 2014. Modified half-bridge modular multilevel converter for HVDC systems with DC fault ride-through capability. In the Proceedings of the 40th annual conference of the IEEE industrial electronics society (IECON 2014), 30 October - 1 November 2014, Dallas, USA. New York: IEEE [online], pages 4676-4682. Available from: https://dx.doi.org/10.1109/IECON.2014.7049207.
    One of the main challenges of voltage source converter based HVDC systems is DC faults. In this paper, two different modified half-bridge modular multilevel converter topologies are proposed. The proposed converters offer ...
  • Characteristics of electroluminescence phenomenon in virgin and thermally aged LDPE. 

    Bani, Nurul Aini; Abdul-Malek, Zulkurnain; Ahmad, H.; Muhammad-Sukki, Firdaus; Mas’ud, Abdullahi Abubakar (AIP Publishing, 2015)
    BANI, N.A., ABDUL-MALEK, Z. and AHMAD, H., 2015. Characteristics of electroluminescence phenomenon in virgin and thermally aged LDPE. AIP Conference Proceedings, 1674, 020005.
    High voltage cable requires a good insulating material such as low density polyethylene (LDPE) to be able to operate efficiently in high voltage stresses and high temperature environment. However, any polymeric material ...
  • Analysis and hardware testing of cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters. 

    Aboushady, Ahmed A.; Ahmed, Khaled H.; Jovcic, Dragan (IEEE https://dx.doi.org/10.1049/cp.2015.0010, 2015-02-10)
    ABOUSHADY, A.A., AHMED, K.H. and JOVCIC, D. 2015. Analysis and hardware testing of cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters. In the Proceedings of the 11th international conference on AC and DC power transmission, 10-12 February 2015, Birminham, UK. New York: IEEE [online], pages 1-7. Available from: https://dx.doi.org/10.1049/cp.2015.0010
    This paper focuses on the behaviour of the cell capacitor discharge currents during DC faults in half-bridge modular multilevel converters. Active switches, not designed for fault conditions, are tripped to minimize discharge ...
  • Hydrogen transport through dense and porous membranes for fuel cell applications. 

    Nwogu, Ngozi Claribelle; Alkali, Abubakar; Gobina, Edward (Atlantis Press http://dx.doi.org/10.2991/itms-15.2015.40, 2015-03-01)
    NWOGU, N.C., ALKALI, A. and GOBINA, E. 2015. Hydrogen transport through dense and porous membranes for fuel cell applications. Advances in computer science research, 34, Proceedings of the 1st international conference on industrial technology and management science (ITMS 2015), 27-28 March 2015, Tianjin, China. Amsterdam: Atlantis press [online], pages 157-160. Available from: http://dx.doi.org/10.2991/itms-15.2015.40
    In this work the design of a nano structured ceramic membrane is carried out for fuel cell applications. However the innovation is that a membrane porous network is modified through its immersion in silica based solution ...
  • Modelling of electroluminescence in polymeric material using dimensional analysis method: effect of applied voltage and frequency. 

    Bani, Nurul Aini; Abdul-Malek, Zulkurnain; Ahmad, H.; Muhammad-Sukki, Firdaus; Mas'ud, Abdullahi Abubakar (IICIST http://www.utm.my/iicist/?page_id=442, 2015-04)
    BANI, N.A., ABDUL-MALEK, Z., AHMAD, H., MUHAMMAD-SUKKI, F., ABUBAKAR MAS’UD, A., 2015. Modelling of electroluminescence in polymeric material using dimensional analysis method: effect of applied voltage and frequency. In: Z. MOHAMED et al. [eds] 1st ICRIL-International Conference on Innovation in Science and Technology (IICIST 2015): Proceedings. 20 April 2015. [online] IICIST. Pp. 803-806. Available from: http://www.utm.my/iicist/?page_id=442 [Accessed 15 July 2015]
    Electroluminescence (EL) method has been used by several researchers to observe the behaviour of an aged polymeric material. EL is a phenomenon that occurs when the atoms of a material are being excited due to the application ...
  • Validation of a novel approach for CO2/N2 gas separations by means of a hybrid ceramic membrane. 

    Nwogu, Ngozi Claribelle; Kajama, Mohammed; Gobina, Edward (Trans Tech Publications http://dx.doi.org/10.4028/www.scientific.net/AMR.1102.73, 2015-05-01)
    NWOGU, N.C, KAJAMA, M.N. and GOBINA, E. 2015. Validation of a novel approach for CO2/N2 gas separations by means of a hybrid ceramic membrane. Advanced materials research, 1102: Coddet, C. (ed.) Selected papers from the 2015 international conference on metal, ceramic and composite materials (ICMCCM-2015), 24-25 January 2015, Shanghai, China. Pfaffikon, Switzerland: Trans Tech Publications [online], pages 73-76. Available from: http://dx.doi.org/10.4028/www.scientific.net/AMR.1102.73.
    Global warming has been documented as one of the world?s foremost ecological concerns. Although it is difficult to totally end human related global warming, there is a possibility to alleviate these effects through a wide ...
  • Characterisation of inorganic composite ceramic membrane for lactic acid esterification processes. 

    Okon, Edidiong; Shehu, Habiba; Gobina, Edward (Trans Tech Publications http://dx.doi.org/10.4028/www.scientific.net/AMR.1102.99, 2015-05-01)
    OKON, E., SHEHU, H. and GOBINA, E. 2015. Characterisation of inorganic composite ceramic membrane for lactic acid esterification processes. Advanced materials research, 1102, Coddet, C. (ed.) Selected papers from the 2015 international conference on metal, ceramic and composite materials (ICMCCM-2015), 24-25 January 2015, Shanghai, China. Pfaffikon, Switzerland: Trans Tech Publications [online], pages 99-102. Available from: http://dx.doi.org/10.4028/www.scientific.net/AMR.1102.99.
    The use of inorganic composite membranes in chemical industries has received a lot of attention more recently due to a number of exceptional advantages including thermal stability and robustness. Inorganic membranes can ...
  • Microstructure encryption and decryption techniques in optical variable and invariable devices in printed documents for security and forensic applications. 

    Ambadiyil, Sajan; Jayan, K. G.; Prabhu, Radhakrishna; Pillai, V. P. Mahadevan (SPIE https://doi.org/10.1117/12.2179635, 2015-05-05)
    AMBADIYIL, S., JAYAN, K.G., PRABHU, R. and PILLAI, V.P.M. 2015. Microstructure encryption and decryption techniques in optical variable and invariable devices in printed documents for security and forensic applications. In Baldini, F., Homala, J. and Lieberman, R.A. (eds.) Proceedings of the SPIE optical sensors 2015 conference, 9506, 13-16 April 2016, Prague, Czech Republic. Bellingham, WA: SPIE [online]. Available from: https://doi.org/10.1117/12.2179635
    Today, document counterfeiting is a global menace because of the advanced technologies available at ever decreasing prices. Instead of eschew the paper documents; applying efficient cost effective security methodologies ...
  • Ultrasensitive graphene coated SPR sensor for biosensing applications. 

    Bhavsar, Kaushalkumar; Prabhu, Radhakrishna; Pollard, Pat (SPIE https://doi.org/10.1117/12.2179051, 2015-05-05)
    BHAVSAR, K., PRABHU, R. and POLLARD, P. 2015. Ultrasensitive graphene coated SPR sensor for biosensing applications. In Baldini, F., Homola, J and Lieberman, R.A. (eds.) Proceedings of SPIE optical sensors 2015 conference, 9506, 13-16 April 2015, Prague, Czech Republic. Bellingham, WA: SPIE [online]. Available from: https://doi.org/10.1117/12.2179051
    Surface plasmon resonance (SPR) is a rapid and sensitive technique used for probing the biomolecular interactions in real time. Several new approaches have been suggested to improve the sensitivity of SPR sensors over the ...