Now showing items 1-20 of 97

  • Acoustic emission testing of composite-to-metal and metal-to-metal adhesive bond strengths. 

    Droubi, Mohamad Ghazi; Faisal, Nadimul Haque; Stuart, Alan; Mowat, John J.; Nobel, Craig; El-Shaib, Mohamed N. (NDT http://www.ndt.net/article/ewgae2016/papers/95_paper.pdf, 2016-09-07)
    DROUBI, M.G., FAISAL, N.H., STUART, A., MOWAT, J., NOBEL, C. and EL-SHAIB, M.N. 2016. Acoustic emission testing of composite-to-metal and metal-to-metal adhesive bond strengths. In Proceedings of the 32nd European conference on acoustic emission testing [EWGAE 2016], 7-9 September 2016, Prague, Czech Republic. Bad Breisig: NDT.net [online], pages 95-104. Available from: http://www.ndt.net/article/ewgae2016/papers/95_paper.pdf
    Composite sandwich structures consisting of two layers with an adhesive contacting interface are of importance in a number of industrial applications such as aerospace, marine and automotive. This research therefore aims ...
  • 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 ...
  • Analysis of AC link topologies in non-isolated DC/DC triple active bridge converter for current stress minimization. 

    Hebala, Osama M.; Aboushady, Ahmed A.; Ahmed, Khaled H. (IEEE https://doi.org/10.1109/ICRERA.2017.8191132, 2017-11-05)
    HEBALA, O.M., ABOUSHADY, A.A. and AHMED, K.H. 2017. Analysis of AC link topologies in non-isolated DC/DC triple active bridge converter for current stress minimization. In Proceedings of the 6th IEEE international renewable energy research and applications conference 2017 (ICRERA 2017), 5-8 November 2017, San Diego, USA. New York: IEEE [online], pages 608-613. Available from: https://doi.org/10.1109/ICRERA.2017.8191132
    This paper presents analysis of the non-isolated DC/DC triple active bridge (TAB) converter under various purely inductor-based AC link topologies. The objective of the analysis is to find the topology that incorporates ...
  • Application of acoustic emission to predict corrosion. 

    Droubi, Mohamad Ghazi; Faisal, Nadimul Haque (NDT.net http://www.ndt.net/?id=22578, 2018-06-30)
    DROUBI, M.G. and FAISAL, N.H. 2017. Application of acoustic emission to predict corrosion. In the Proceedings of the 14th International Slovenian Society for Non-Destructive Testing conference: application of contemporary non-destructive testing in engineering, 4-6 September 2017, Bernardin, Slovenia. Bad Breisig, Germany: NDT.net [online], pages 271-278. Available from: http://www.ndt.net/?id=22578
    Non-destructive testing (NDT) techniques used for petroleum pipelines and offshore windturbines can only detect corrosion after it has occurred. Therefore, intrusive inspections are required regularly, potentially causing ...
  • Averaged model of modular multilevel converter in rotating DQ frame. 

    Sinha, Yashwant; Nampally, Ashok (IEEE https://doi.org/10.1109/ICRERA.2016.7884559, 2016-11-20)
    SINHA, Y. and NAMPALLY, A. 2016. Averaged model of modular multilevel converter in rotating DQ frame. In the Proceedings of the 5th IEEE international conference on renewable energy research and applications (ICRERA 2016), 20 - 23 November 2016, Birmingham, UK. New York: IEEE [online], pages 319-324. Available from: https://doi.org/10.1109/ICRERA.2016.7884559
    This paper proposes an average model of Modular Multilevel Converter (MMC) in rotating DQ frame. The proposed MMC model has a modular structure and can be linked with other power elements such as AC and DC subsystems. ...
  • Banknote authentication using chaotic elements technology. 

    Ambadiyil, Sajan; Krishnendu, P. S.; Pillai, V. P. Mahadevan; Prabhu, Radhakrishna (SPIE https://doi.org/10.1117/12.2278343, 2017-10-05)
    AMBADIYIL, S., KRISHNENDU, P.S., PILLAI, V.P.M. and PRABHU, R. 2017. Banknote authentication using chaotic elements technology. In Proceedings of the SPIE security and defence conference 2017, 10441: counterterrorism, crime fighting, forensics and surveillance, 11-14 September 2017, Warsaw, Poland. Bellingham, WA: SPIE [online], paper 1044104. Available from: https://doi.org/10.1117/12.2278343
    The counterfeit banknote is a growing threat to the society since the advancements in the field of computers, scanners and photocopiers, as they have made the duplication process for banknote much simpler. The fake note ...
  • Batch process esterification of lactic acid catalysed by cation-exchange resins for the production of environmental-friendly solvent. 

    Okon, Edidiong; Habiba, Shehu; Gobina, Edward (Newswood Limited, International Association of Engineers, IAENG http://www.iaeng.org/publication/WCECS2015/, 2015-10-21)
    OKON, E., HABIBA, S. and GOBINA, E. 2015. Batch process esterification of lactic acid catalysed by cation-exchange resins for the production of environmental-friendly solvent. Lecture notes in engineering and computer science: the Proceedings of the world congress on engineering and computer science 2015 (WCECS 2015), 21 - 23 October 2015, San Francisco, USA. Hong Kong: Newswood Limited, International Association of Engineers, IAENG [online], pages 623-628. Available from: http://www.iaeng.org/publication/WCECS2015/WCECS2015_pp623-628.pdf
    In this work, batch wise esterification of lactic acid and ethanol was carried out using different cation-exchange resins including amberlyst 15, amberlyst 16, dowex 50W8x and amberlyst 36 as heterogeneous catalysts. The ...
  • 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 ...
  • 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 ...
  • Characterization of hydroxyapatite layer on AISI 316L stainless steel. 

    Hlinka, Josef; Lasek, Stanislav; Siostrzonek, Rene; Faisal, Nadimul Haque (Tanger Ltd https://www.metal2018.com/en/proceedings-metal-2017/, 2017-01-31)
    HLINKA, J., LASEK, S., SIOSTRZONEK, R. and FAISAL, N. 2017. Characterization of hydroxyapatite layer on AISI 316L stainless steel. In Proceedings of the 26th international metallurgy and materials conference (METAL 2017), 24-26 May 2017, Brno, Czech Republic. Ostrava: Tanger Ltd [online], pages 1292-1297. Available from: https://www.metal2018.com/en/proceedings-metal-2017/
    Bioactive coatings can be divided into two main groups - organic and inorganic coatings. Hydroxyapatite (HA) is well known as one of inorganic part of mammal's bone structure and is highly recommended for use in implantology. ...
  • Comparison of artificial neural network and multiple regression for partial discharge sources recognition. 

    Mas'ud, Abdullahi Abubakar; Muhammad-Sukki, Firdaus; Albarracin, Ricardo; Ardila-Rey, Jorge Alfredo; Abu-Bakar, Siti Hawa; Aziz, Nur Fadilah Ab; Bani, Nurul Aini; Muhtazaruddin, Mohd Nabil (IEEE https://doi.org/10.1109/IEEEGCC.2017.8448033, 2017-05-09)
    MAS'UD, A.A., MUHAMMAD-SUKKI, F., ALBARRACIN, R., ARDILA-REY, J.A., ABU-BAKAR, S.H., AZIZ, N.F.A., BANI, N.A. and MUHTAZARUDDIN, M.N. 2017. Comparison of artificial neural network and multiple regression for partial discharge sources recognition. In Proceedings of the 9th IEEE-GCC conference and exhibition 2017: solutions for a smarter economy, 8-11 May 2017, Bahrain, Saudi Arabia. New York: IEEE [online], pages 1-5. Available from: https://doi.org/10.1109/IEEEGCC.2017.8448033
    This paper compares the capabilities of the artificial neural network (ANN) and multiple linear regression (MLR) for recognizing and discriminating partial discharge (PD) defects. Statistical fingerprints obtained from a ...
  • Comparison of wear performance of thermal sprayed cermet (WC-Co) coatings from suspension and feedstock powders. 

    Ali, O.; Ahmed, Rehan; Alawadhi, H.; Shameer, M.; Faisal, Nadimul Haque; Al-Anazi, Nayef M.; Goosen, Mattheus F. A. (DVS Media GmbH http://www.proceedings.com/38541.html, 2017-06-07)
    ALI, O., AHMED, R., ALAWADHI, H., SHAMEER, M., FAISAL, N., AL-ANAZI, N. and GOOSEN, M. 2017. Comparison of wear performance of thermal sprayed cermet (WC-Co) coatings from suspension and feedstock powders. In the Proceedings of the International thermal spray conference and exposition 2017 (ITSC 2017), 7-9 June 2017, Dusseldorf, Germany. Dusseldorf: DVS Media GmbH [online], pages 681-686. Available from: http://www.proceedings.com/38541.html
    WC-Co coatings were deposited using conventional High Velocity Oxy-Fuel Jet-Kote (HVOF-JK) and Suspension HVOF (S-HVOF) methods. Microstructural and mechanical properties along with the wear resistance of coatings were ...
  • 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 ...
  • Computational analysis and optimization of a MEMS-based piezoresistive accelerometer for head injuries monitoring. 

    Messina, Marco; Njuguna, James; Palas, Chrysovalantis (IEEE https://doi.org/10.1109/ICSENS.2017.8233897, 2017-10-29)
    MESSINA, M., NJUGUNA, J. and PALAS, C. 2017. Computational analysis and optimization of a MEMS-based piezoresistive accelerometer for head injuries monitoring. In Proceedings of the 16th IEEE sensors 2017 conference (IEEE SENSORS 2017), 29 October - 1 November 2017, Glasgow, UK. New York: IEEE [online], pages 1-3. Available from: https://doi.org/10.1109/ICSENS.2017.8233897
    This work focuses on the design improvement of a tri-axial piezoresistive accelerometer specifically designed for head injuries monitoring where medium-G impacts are common, for example in sports such as racing cars. The ...
  • Computational fluid dynamic analysis of sand erosion in 90 degree sharp bend geometry. 

    Droubi, Mohamad Ghazi; Tebowei, Roland; Islam, Sheikh Zahidul; Hossain, Mamdud; Mitchell, E. (ICCFD9 http://iccfd9.itu.edu.tr/proceedings.php, 2016-07-11)
    DROUBI, M.G., TEBOWEI, R., ISLAM, S.Z., HOSSAIN, M. and MITCHELL, E. 2016. Computational fluid dynamic analysis of sand erosion in 90 degree sharp bend geometry. In Proceedings of the 9th international conference on computational fluid dynamics (ICCFD9) [online], 11-15 July 2016, Istanbul, Turkey. Available from: http://iccfd9.itu.edu.tr/assets/pdf/papers/ICCFD9-2016-128.pdf.
    The prediction of erosion damage due to sand presence during hydrocarbon production is a major threat to the integrity of the production facilities. Sand production from oil and gas reservoirs can cause a significant damage ...
  • Confidence-based underwater localization scheme for large-scale mobile sensor networks. 

    Sabra, Adham; Fung, Wai-Keung; Prabhu, Radhakrishna (IEEE https://doi.org/10.1109/OCEANS.2018.8604878, 2018-10-22)
    SABRA, A., FUNG, W.-K. and RADHAKRISHNA, P. 2018. Confidence-based underwater localization scheme for large-scale mobile sensor networks. In Proceedings of the Marine Technology Society and Insitutute of Electrical and Electronics Engineers (MTS/IEEE) OCEANS 2018, 22-25 October 2018, Charleston, USA. Piscataway: IEEE [online], article ID 8604878. Available from: https://doi.org/10.1109/OCEANS.2018.8604878
    The absence of Global Positioning System in underwater environment predominates in the challenges of underwater vehicles navigation or sensor nodes tracking. Localization of single or few underwater vehicles has been ...
  • A critical analysis of open protocol for subsea production controls system communication. 

    Iyalla, Ibiyekariwaripiribo; Arulliah, Elankumaran; Innes, David (IEEE https://doi.org/10.1109/OCEANSE.2017.8084938, 2017-06-19)
    IYALLA, I., ARULLIAH, E. and INNES, D. 2017. A critical analysis of open protocol for subsea production controls system communication. In Proceedings of the 60th MTS/IEEE OCEANS conference (OCEANS'17): a vision for sustaining our marine futures, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article ID 8084938. Available from: https://doi.org/10.1109/OCEANSE.2017.8084938
    Production control system communication protocols used in subsea fields are primarily proprietary to the subsea vendor. Due to the proprietary nature of this communication system, the operators encounter many challenges ...
  • DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application. 

    Harrye, Yasen A.; Ahmed, Khaled H.; Aboushady, Ahmed A. (IEEE https://dx.doi.org/10.1109/IECON.2015.7392592, 2015-11-09)
    HARRYE, Y.A., AHMED, K.H. and ABOUSHADY, A.A. 2015. DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application. In the Proceedings of the 41st annual conference of the IEEE industrial electronics society (IECON 2015), 9-12 November 2015, Yokohama, Japan. New York: IEEE [online], pages 003193-003198. Available from: https://dx.doi.org/10.1109/IECON.2015.7392592.
    Fast isolation and detection of DC faults is currently a limiting factor in high power DC transmission grid development. Recent research has shown that the role of DC/DC converters is becoming increasingly important in ...
  • 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 ...
  • Design and implementation of 30kW 200/900v LCL modular multilevel based DC/DC converter for high power applications. 

    Fazeli, S. M.; Aboushady, Ahmed A.; Ahmed, Khaled H.; Jovcic, Dragan (IET http://dx.doi.org/10.1049/cp.2016.0144, 2016-04-19)
    FAZELI, S.M., ABOUSHADY, A.A., AHMED, K.H. and JOVCIC, D. 2016. Design and implementation of 30kW 200/900v LCL modular multilevel based DC/DC converter for high power applications. In the Proceedings of the 8th IET international conference on power electronics, machines and drives, 19-21 April 2016, Glasgow, UK. New York: IET [online]. Available from: http://dx.doi.org/10.1049/cp.2016.0144
    This paper presents the design, development and testing of a 30kW, 200V/900V modular multilevel converter (MMC) based DC/DC converter prototype. An internal LCL circuit is used to provide voltage stepping and fault tolerance ...