Browsing Proceedings of Engineering Graduate Symposium by Title

Browsing Proceedings of Engineering Graduate Symposium by Title

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  • Identifying and Mitigating the Problems in an Inverter Circuit due to Switching Spikes and Malfunction of IGBT/MOSFETs 
    Karunathilaka, G.R.S.M.; Ranathunga, R.A.A.K.; Senanayaka, R.M.Y.; Chandrasena, R.P.S. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    This research investigates the reasons for inverter building project failures. Most of the projects which are based on inverter circuit design fail due to switching spikes and/or malfunction of IGBT/MOSETs. This paper ...
  • Investigating a Suitable Method for Prediction of Lightning 
    Samarasinghe, K.P.B.; Maduwantha, W.C.; Fernando, W.I.N.R.; Ranaweera, P.S. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Lightning can be defined as a transient, high-current electric discharge in air whose length is measured in kilometers. Modern world smart features are invading the concepts of technology. Thus, domestic smart concept ...
  • Investigation of Safety Allocation for Construction Projects Using Accident Cost Analysis 
    Premawardhana, E.M.T.P.; Malkanthi, S.N. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Construction sector in Sri Lanka has tremendously grown in the recent past. Since the construction industry is based on manpower, health and safety of workers should be in higher position. However, healdr and safety has ...
  • Low-Cost Anaerobic Treatment Method for Landfill-Leachate 
    Herath, H.M.L.V.K.; Tharanga, K.H.S.S.; Nanayakkara, B.S.R.; Dayanthi, W.K.C.N. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Anaerobic treatment methods are usually suitable for landfill-leachate. However, most of the anaerobic methods are quite expensive due to the high cost of artificial filtration media. Hence the aim of this study was to ...
  • Mathematical Modelling and Dynamic Controlling of an Autonomous Surface Vessel for Fresh Water Applications 
    Kumara, K.J.C. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    An Autonomous Surface Vessel (ASV) can be defined as a vehicle controlling its own steeringand speed for navigation, dynamic positioning, motion stabilization, obstacle detectionand avoidance. ASV model has been developed ...
  • Mitigating Frequency Fluctuations in Micro-Grids Using Energy Storage Systems 
    Ariyarathne, R.M.A.S .; Kumari, M.G.S.I.; Fernando, B.D.S.K.; Chandrasena, R.P.S. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Micro-grids are becoming increasingly attractive to consumers as well as to power utilities. A great number of them will be installed at consumer sites. In this situation, reliability of micro-grid operation is more ...
  • Optimization of Bio-diesel Production process and the Machine 
    Karunathilaka, B.M.; Bulathsinghala, B.V.A.; Lareef, M.M.; Ambawatte, H.C.; Pathmasiri, K.; Kodituwakku, C.I. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    During the past decade, energy crisis for petroleum products is a considerable factor for the sustainability. Hence the biodiesel production is a good alternative energy which is one of the most promising energy sources. ...
  • Optimization of Green Tea Production Machine for Cottage Level SME 
    Anojan, P.; Abeysooriya, W.G.K.K.; Aravincia, A.B.S.; Gunavvardana, S.D.; Ambawatte, H.C. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Sri Lanka is the largest tea exporter and the fourth largest producer of tea in all over the world. But green tea manufacturing is functioning at a very low level with fewer production rates. Less knowledge of the ...
  • Optimization of Selected Parameters Influencing the Total Phenolic Content Determination of Sesame Oil 
    Sangheetha, S.; Abeysekara, O.C.; Shanthini, R. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Antioxidant activity of sesame {Sesamum indicum L.) oil can be assessed by determining its total phenolic content (TPC) using Folin-Ciocalteu reagent (FCR) method. Objective of this study was to optimize V, volume of ...
  • Parameter Study for Effective Wireless Power Transmission through Inductive Coupling 
    Rathriayaka, Y.G.R.M.I.D.; Sanjeewa, M.A.N.; Sumaya, M.M.F.; Jayathunga, E.H.; Chandrasena, R.P.S. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Wireless Power Transmission (WPT) has been recorded more than 100 years ago during Nikola Tesla's era. However, this technology has not been utilized until recently due to various limitations exist in WPT technology. ...
  • Performance Analysis of an LED based Visible Light Communication System for Indoor Data Transmission 
    Rathnayaka, R.M.S.P.; Rupasinghe, D.D.C.D.; Samaraweera, S.D.R.D.; Walpita, H.W.H.L. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    This paper presents a practical scheme for analyzing the performance of a Visible Light Communication (VLC) system in an indoor environment. The performance of the visible light communication system depends on several ...
  • Performance Analysis of Short Range, Low Power Wireless Transceiver Antenna 
    Dilhari, J.M.V.; Ranasinghe, M.Y.B.; Renoson, L.; Batuwantudawa, T.K.; Chandrasena, R.P.S. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Smart wireless technique is one of the emerging technologies for intelligent home automation. There are number of wireless communication modules which can be used for the communication inside the house or office such as ...
  • A Portable Unit for Measuring the Concentration of Phosphates in Water 
    Dhananjaya, W.D.W.; Fernando, G.T.J.; Jayasiri, J.S.M.; Jayasundere, N.D. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Phosphates are essential elements for all life, including plant growth and photosynthesis in algae. They also stimulate the growth of plankton and aquatic plants which provide food for marine life. However, if an excess ...
  • Prediction of Residual Strength Capacities of Reinforced Concrete Structures under Different Corrosion Conditions 
    Rathnayake, R.M.M.C.; Ifham, M.R.M.; Ahamed, M.Z.S.; Sanjeewa, H.V.A.N.; Appuhamy, J.M.R.S. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Corrosion of reinforcement embedded in concrete is a significant problem in the world. Chloride induced corrosion is a major problem for reinforced concrete (RC) structures. Due to corrosion, cross-sectional steel area ...
  • Process Development and Performance Evaluation of Non-Asbestos Ceiling Composite Material for Local Usage 
    Perera, G.B.K.; Nirmali, R.S.; Maduranga, G.D.S.; Lokuliyana, R.; Srimal, L.K.T.; Gallage, R. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Asbestos is once considered as a miracle material for its desirable qualities in the construction field. Later, scientists have discovered that the asbestos fiber is carcinogenic. It is now a material which is banned to ...
  • Reduction of Dynamic Strength Capacities of Reinforced Concrete Structures under Different Corrosion Conditions 
    Ifham, M.R.M.; Ahamed, M.Z.S.; Rathnayake, R.M.M.C.; Sanjeewa, H.V.A.N.; Appuhamy, J.M.R.S. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Steel reinforcement corrosion is one of the major deterioration mechanisms of Reinforced Concrete (RC) structures. Once the corrosion signs appear on the concrete surface, it'll intensify further corrosion and as a result, ...
  • Reduction of Electromagnetic Interference in Three-Phase Inverters 
    Amarasinghe, S.A.D.N.P.; Mapa, M.M.U.; Udeshika, B.H.S.D.; Perera, P.D.C. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Electromagnetic interference (EMI) creates from unwanted electrical signals emitting from a piece of electrical or electronic equipment. These signals interfere with the operation of other equipment as well as its own ...
  • Reduction of the Whole-Life Cost of Railway Car Body Structures Using Recyclable Polymer Composite Materials 
    Galappaththi, U.I.K. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Reduction in the mass of railway rolling stock is considered as the most important factor in minimising the energy consumption and associated track maintenance costs that ultimately reducing the. whole-life cycle cost ...
  • Significant Processing Parameters Affecting for Pyro-Plasticity of Porcelain Tiles 
    Wijesooriya, W.A.D.H.P.; Menike, A.M.W.; Kalpage, C.S. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    Pyroplasticity is the tendency of the ceramics to deform under its own weight, during its firing process which affects to reduce the ceramic product quality. The properties of liquid phases formed during the firing process ...
  • Smart License Plate Recognition System 
    Dharmasena, D.G.U.I.; Deshappriya, A.G.S.; Lakdinee, R.H.A.I.; Udawalpola, M.R. (Faculty of Engineering, University o f Ruhuna,Hapugala, Galle, Sri Lanka., 2017-01-05)
    The system in this paper is designed and implemented for the vehicle license plate detection. Automatic number plate recognition has three major components: vehicle number plate detection, character segmentation and ...

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