ERU - 2009: Recent submissions

  • Reduction of crack susceptibility of flash butt welded joints in rim manufacturing 
    Hewage, SPK; Munasinghe, RGNDeS [Conference-Extended-Abstract]
    Flash butt welding is a well established and economical manufacturing process classified as a solid state welding process and mainly used in automobile wheel industry. The advantages of this process are economical in ...
  • Reinforcement of natural rubber latex films with surface modified silica 
    Liyanage, NMVK; Walpalage, S; Somaratne, MCW [Conference-Extended-Abstract]
    The surface of silica particles was modified by treating with a polymer containing both hydrophilic and hydrophobic monomer units. Surface modification involved esterification of the surface hydroxyl groups with the carboxyl ...
  • The effect of dolomitic lime and the firing temperature on the properties of pellets produced from dela iron ore 
    Dharmasiri, PDSC; Aboonidhal, MA; Guluwita, SP; Fernando, WLW; Munasinghe, De SRGN [Conference-Extended-Abstract]
    Iron ores and lime are two of the available raw materials in Sri Lanka for iron making. However, proven reserves of I iron ore deposits in Sri Lanka have not been scientifically estimated as yet. There is no indication of ...
  • Brain E-Learner 
    Dias, SAD; Dayananada, NWN; Ferdinand, NS; Thivya, K; Udagedara, EA; Weerathunga, PE [Conference-Extended-Abstract]
    The objective of this extended abstract is to present Brain e-Learning System -which ^vas developed and tested final year undergraduate project at the department of Electronic and Telecommunication Engineering university ...
  • RFID based patient identification and management system 
    Samarasinghe, ATLK; Athurugiriya, AACN; Gamage, HGTN; Konara, DG; Suranjaya, WAP [Conference-Extended-Abstract]
    The product provides a RFID based Patient Identification System to increase the efficiency and quality of the current hospital system. One of our main objectives is to avoid the misplacement or changing of Patient Record ...
  • Software and test tool for fixed WiMAX 
    Amarasinghe, KC; Peiris, KGAB; Thelisinghe, LADMD; Wamakulasuriya, GM; Samarasinghe, ATLK [Conference-Extended-Abstract]
    Planning and Optimizing IEEE 802.16d network need lot of effort and man power. In this paper we are presenting a tool which automates several aspects of these processes. This describes the hardware and the software components ...
  • FPGA-based system-on-chip architecture for real-time embedded vision systems 
    Samarawickrama, M; Pasqual, AA; Rodrigo, R [Conference-Extended-Abstract]
    A single-chip FPGA implementation of a vision core is an efficient way to design fast and compact embedded vision systems from the PCB design level. The scope of the research is to design a novel FPGA-based parallel ...
  • Forecasting critical dry spells in dl1 - a case study from anamaduwa 
    Mathugama, SC; Peiris, TSG [Conference-Extended-Abstract]
    Daily rainfall data(l950-2005) in Anamaduwa were analysed and useful information on the lengths (LDS1-LDS4) and the starting dates (SD1-SD4) of four critical dry spells were obtained. The mean duration of LDS1- LDS4 were ...
  • Linking supply chain management to business performance: An empirical study on sri lankan firms 
    Ekanayake, KCS; Wickramasinghe, VM [Conference-Extended-Abstract]
    Even though Supply Chain Management (SCM) has been identified as a strategic tool that expands a firm's integrated behavior to incorporate customers and suppliers to be fully effective in today's competitive environment, ...
  • Measuring volatility in financial data series 
    Cooray, TMJA [Conference-Extended-Abstract]
    This paper analyse relation between expected return and conditional variance, mainly whether it is time-varying or constant (and also linear). It is assumed that for specified period of time investors expect higher returns ...
  • Prepaid digital energy meter 
    Samarasinghe, ATLK; Alwis, LLSI; Perera, IU; Samarathunga, IU; Sandaruwan, MKL [Conference-Extended-Abstract]
    Digital prepaid energy meter can be used to monitor the consumption of electricity in domestic needs and supports remote billing, recharging of account and web based account management functions. If the available credit ...
  • Change management in lean implementation: a case study in a local apparel manufacturing group 
    Perera, HSC; Abeytunge, ND; Samarasinghe, GD [Conference-Extended-Abstract]
    Apparel industry is the main exporter and the contributor to the Sri Lankan economy. In order to stay competitive in the global market place, one major local apparel manufacturing group adopted lean manufacturing tool for ...
  • Detection of vehicles using a cascaded classifier in comparison to a artificial neural network 
    Fernando, S; Udawatta, L [Conference-Extended-Abstract]
    This paper describes the comparison of accuracy and performance of two machine learning approaches for visual object detection and tracking vehicles. The first is a neural network based approach. The classification was ...
  • Comparison of propagation models for fixed WiMAX system based on IEE 802.16-2004 
    Amarasinghe, KC; Peiris, KGAB; Thelisinghe, LADMD; Warnakulasuriya, GM; Samarasinghe, ATLK [Conference-Extended-Abstract]
    The study of empirical propagation models for mobile channels has been done extensively, but the applicability of those to a FWA System is not appropriately tested. The models include Hata-Okumura, COSTH1 Hata, Walfisch ...
  • Design and development of a payload module for rocket-borne experiments for university students (REXUS) 
    Ukwatta, UDAK; Khangamage, UP; Fernando, P [Conference-Extended-Abstract]
    Sounding rockets are the most common medium that are used carry instruments to near space for various types of experiments such as microgravity experiments, upper atmospheric experiments etc. However, due to high acceleration ...
  • Mobile healthcare network and distance consulting on 3G 
    Amarasinghe, A; Kariyawasam, LID; Rupasinghe, CS; Ruwansiri, WAT; Dias, SAD [Conference-Extended-Abstract]
    Continuous monitoring of patients is becoming increasingly important with the current progress of diagnosis and medical treatment techniques. When the available facilities and healthcare cost are considered, remote patient ...
  • Evaluation of effects of design parameters for the performance of fixed bladed small scale vertical axis wind turbines 
    Pathirathna, KAB; De Silva, HED; Samaraweera, KKMNP [Conference-Extended-Abstract]
    The purpose of the paper is to evaluate the effects of design parameters such as solidity, Renold number, aspect ratio etc. for the performance of fixed bladed vertical axis wind turbines. Here theoretical modeling was ...
  • Design of a phase lead-lag controller for servo motors 
    Muralidaran, T; Nuwanpriya, KMA; Nagasinghe, AI; Neydorff, NA [Conference-Extended-Abstract]
    Servo motors are used in diverse industrial applications in the world today. The main feature of these applications is that they require precise position or velocity controlling. In this research, we have come up with a ...
  • Field assessment for stormwater drainage modelling in expressway design 
    Wijesuriya, WMDU; Wijesekera, NTS [Conference-Extended-Abstract]
    Field assessment is important for storm water drainage engineering in expressway design. Such designs are carried out using hydrologic and hydraulic modeling which involves use of a significant number of empirical equations ...
  • Hydrologic analysis for stormwater management-a case study of welipenna river basin 
    Wijesinghe, WMD; Wijesekera, NTS [Conference-Extended-Abstract]
    The present work focused on the catchment of Welipenna Ganga at the intersection point of the Southern Expressway. Suitability of the Rational Method, Snyder's Method and SCS Method for a hydrologic analysis of the situation ...