Faculty of Engineering: Recent submissions

  • Tailoring ZnO nanostructures by spray pyrolysis and thermal annealing 
    Thanihaichelvan, T.; Haseeb, A.S.M.A.; Akbar, S.A.; Thanihaichelvan, M. (Elsevier, 2014)
    We report a novel synthesis of ZnO nanorods with hexagonal pyramid-like heads by a simple and low cost technique of spray pyrolysis with the help of zinc acetate and tin (IV) chloride pentahydrate precursors. In the present ...
  • Structural and optical properties of ZnO–SnO2 mixed thin films deposited by spray pyrolysis 
    Thanihaichelvan, T.; Haseeb, A.S.M.A.; Sabri, M.F.M. (Elsevier, 2014)
    Nanocrystalline ZnO–SnO2 mixed thin filmswere deposited by the spray pyrolysis technique at various substrate temperatures during deposition. The mixed films were prepared in the range of 20.9 at.% to 73.4 at.% by altering the ...
  • Photoluminescence Studies on Spray Pyrolysis Deposited ZnO-SnO2 Mixed Thin Films 
    Thanihaichelvan, T.; Haseeb, A.S.M.A.; Sabri, M.F.M. (Advanced Materials Research, 2014)
    ZnO-SnO2 mixed thin films were prepared by the spray pyrolysis technique using different molar ratios of zinc and tin in the starting solution. These mixed thin films were analysed by X-ray diffraction (XRD) and photoluminescence ...
  • Highly Sensitive and Selective Ethanol Sensor Based on ZnO Nanorod on SnO2 Thin Film Fabricated by Spray Pyrolysis 
    Thanihaichelvan, T.; Thanihaichelvan, M.; Haseeb, A.S.M.A.; Akbar, S.A. (2019)
    This work reports the fabrication of mixed structure of ZnO nanorod on SnO2 thin film via spray pyrolysis followed by thermal annealing and their gas sensing properties. ZnO/SnO2 nanostructures are successfully prepared ...
  • Gas sensing properties of zinc stannate (Zn2SnO4) nanowires prepared by carbon assisted thermal evaporation process 
    Thanihaichelvan, T.; Haseeb, A.S.M.A.; Akbar, S.A.; Sabri, M.F.M.; Wong, Y.H. (Elsevier, 2014)
    Zn2SnO4 nanowires are successfully synthesized by a carbon assisted thermal evaporation process with the help of a gold catalyst under ambient pressure. The as-synthesized nanowires are characterized by Xray diffraction ...
  • Enhanced ethanol gas sensing properties of SnO2-Core/ZnO-Dhell Nanostructures 
    Thanihaichelvan, T.; Haseeb, A.S.M.A.; Akbar, S.A.; Sabri, M.F.M.; Hoong, W.Y. (sensors, 2014)
    An inexpensive single-step carbon-assisted thermal evaporation method for the growth of SnO2-core/ZnO-shell nanostructures is described, and the ethanol sensing properties are presented. The structure and phases of the ...
  • Design and experimental validation of an optimized wrist powered 3D printed mechanical transmetacarpal prosthesis 
    Kumarage, K.; Wickramarathna, H.; Vijesundaram, M.; Vijendran, M.; Rathnakumar, N.; Thanihaichelvan, T. (IEEE 14th International Conference on Industrial and Information Systems (ICIIS), 2019)
    In general, currently available 3D printed transmetacarpal prostheses in the market are being rejected by amputees due to their lower efficiency caused by the higher flexion angle and discomfort. One of the abundantly ...
  • Co-synthesis of ZnO / SnO2 mixed nanowires via a single-step carbothermal reduction method 
    Thanihaichelvan, T.; Haseeb, A.S.M.A.; Akbar, S.A.; Sabri, M.F.M. (Elsevier, 2013)
    ZnO/SnO2 mixed nanowires are fabricated by a single-step in-situ carbothermal reduction of mixed ZnO and SnO2 powders with activated carbon under atmospheric pressure on a gold (Au) coated alumina substrate. Morphology and ...
  • Catalyst freesingle-stepfabricationofSnO2/ZnO core–shell nanostructures 
    Thanihaichelvan, T.; Haseeb, A.S.M.A.; Akbar, S.A.; Sabri, M.F.M. (Elsevier, 2013)
    Facile catalyst-freesynthesisofSnO2/ZnO core–shell nanowiresandhierarchicalnanostructuresgrownviaaone-stepcarbonassistedthermal evaporation methodunderambientpressureisreported.Awhitewool-likemassformsatthesideandontopof ...
  • A novel 3 -D printed wrist powered upper limb prosthesis using whippletree mechanism 
    Tharsika, T.; Kumarage, K.P.L.; Wickramarathan, W.H.S.; Madhushan, V.; Mugilgeethan, V.; Neethan, R. (The Institution of Engineers, Sri Lanka, 2019)
    This study focuses on the development of a 3-D printed low-cost novel solution for upper limb amputees in Sri Lanka. Prosthetic devices available in Sri Lanka are declined by most patients with trans-metacarpal amputation ...
  • A novel 3 -D printed wrist powered upper limb prosthesis using whippletree mechanism 
    Kumarage, K.P.L.; Wickramarathan, W.H.S.; Madhushan, V.; Mugilgeethan, V.; Neethan, R.; Thanihaichelvan, T. (The Institution of Engineers, Sri Lanka, 2019)
    This study focuses on the development of a 3-D printed low-cost novel solution for upper limb amputees in Sri Lanka. Prosthetic devices available in Sri Lanka are declined by most patients with trans-metacarpal amputation ...
  • A novel 3 -D printed wrist powered upper limb prosthesis using whippletree mechanism 
    Kumarage, K.P.L.; Wickramarathan, W.H.S.; Madhushan, V.; Mugilgeethan, V.; Neethan, R.; Thanihaichelvan, T. (The Institution of Engineers, Sri Lanka, 2019)
    This study focuses on the development of a 3-D printed low-cost novel solution for upper limb amputees in Sri Lanka. Prosthetic devices available in Sri Lanka are declined by most patients with trans-metacarpal amputation ...
  • Design and Optimization of a Wrist Powered Upper Limb Prosthesis 
    Kumarage, K.; Wickramarathna, H.S.; Vijesundaram, M.; Mugilgeethan, V.; Rathnakumar, N.; Thanihaichelvan, T. (2019)
    The primary function of a prosthetic device is to provide assistive support for patients with upper or lower limb amputation. Among the upper limb amputations, most of the patients with trans-metacarpal amputation avoids ...
  • A Study of Three-Dimensional (3D) Printed Prosthetic Upper Limb Models in Local Context 
    Neethan, R.; Nidershan, S.; Mugilgeethan, V.; Tharsika, T.; Anburuvel, A. (Elsevier, 2019)
    Sri Lanka is recovering from a war that left behind many amputees. 3-D printed Flexy, Shira, LimbForge and a bionic hand were produced and analyzed based on gripping force and grasping patterns. LimbForge is preferred by ...
  • A Review of Mechanical 3D Printed Upper Limb Prosthesis 
    Kumarage, K.; Wickramarathna, H.S.; Vijesundaram, M.; Vijendran, M.; Rathnakumar, N.; Thanihaichelvan, T. (International Conference on Advanced Materials forClean Energy andHealth Applications, 2019)
    Conventional passive upper extremities used by amputee’s lack in hand control and grasp meanwhile their advanced substitute are expensive, unaffordable and less realistic. In recent years, affordable, functional and ...
  • Regression Analysis Based on Copula Theory- By Using Gaussian family Copula 
    Mayooran, T.; Rahman, M. (International Journal of Statistics and Reliability Engineering, 2019)
    Researchers are often interested in studying the relationships between one variable and several other variables. Regression analysis is the statistical method for investigating such relationship, and it is one of the most ...
  • Assessing Robustness of Regularized Regression Models with Applications 
    Mayooran, T.; Rahman, A. (Springer, 2020)
    In this Big-data and computational innovation era, advanced level analysis and modelling strategies are essential in data science to understanding the individual activities which occur within very complex behavioral, ...
  • Recent Developments in Data Science: Comparing Linear, Ridge and Lasso Regressions Techniques Using Wine Data 
    Mayooran, T.; Gabirial, M.; Rahman, A. (University of Oxford UK, 2019)
    Big data is the reality of the 21st century. However, big data modeling and prediction require advanced level analytics which encompasses both the computing-intensive and statistics-oriented analysis tools in data science. ...
  • Simulated Tests for Normality: A Comparative Study 
    Rahman, M.; Mayooran, T. (International Journal of Statistical Sciences, 2015)
    The subject of assessing whether a data set is from a specific distribution has received a good deal of attention. This topic is critically important for the normal distribution. Often the distributions of the test statistics ...
  • Applying the Successive Over-relaxation Method to a Real World Problems 
    Mayooran, T.; Light, E (American Journal of Applied Mathematics and Statistics, 2016)
    Solving a system of equations by 𝐴𝐴𝐴𝐴 = 𝑏𝑏, where A is a 𝑛𝑛×𝑛𝑛 matrix and b and 𝑛𝑛×1 vector, can sometime be a daunting task because solving for x can be difficult. If you were given an algorithm that was ...