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RISTCON 2014: Recent submissions

  • Preliminary Pages 
    Unknown author (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
  • An agent based simulation for the shape adaption of „Coccus‟ type bacteria colonies 
    Mohotti, W.A.; Kulawansa, K.A.D.T. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Agent technology is one of the Artificial Intelligence techniques best suited to address a social or biological phenomenon which involves group dynamics. Moreover, computer simulations are used extensively for studying ...
  • Analysis of protein interactions of pre-eclampsia 
    Vidanagamachchi, S.M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Pre-eclampsia is a pregnancy complication caused by high-blood pressure and protein in the urine in pregnancy. This disease can affect both the mother and the fetus and increase the mother's risk of dying of cardiovascular ...
  • Age invariant face recognition: A survey 
    Madushika, M.K.S.; Gunawickrama, S.H.K.K (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Facial aging is an important yet challenging problem that has recently been added to the problem of the face recognition. Human face varies over time in many aspects, including large inter-user similarity such as facial ...
  • Towards a simple and secure electronic tender submission management protocol 
    Thangarajah, V.; Zoysa, K. De (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    The traditional tendering process is a manual bidding system which involves the principal advertising or issuing a request for tenders, various suppliers then make offers, one of which is then accepted by the principal, ...
  • Automation of multiple data measurements for computer interface 
    Aazir, S.M.; Ragel, F.C.; Sriragavan, M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Development of low cost instrumentation is a valuable exercise in a country like Sri Lanka where scientists strive to sustain in their research with limited funds. This student research project is motivated on such ...
  • Intrusion detection of web sites with data mining techniques – A surve 
    Kumarapathirana, K.P.S.D.; Kithulgoda, C.I. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Growth of computer intrusions highlights the incontestable importance of intrusion detection. Most common attacks on web sites are cross site scripting (XSS), SQL injection, denial of service (DoS) and session hijacking. ...
  • Weighted bipartite matching and the Hungarian method 
    Perera, M.T.M.; Sanjeewa, R. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    The Assignment Problem, a major problem in combinatorial optimization, can be related to graph theory as finding an optimal weight matching in a weighted bipartite graph. We have considered the Hungarian algorithm ...
  • Semilinear delay evolution equations with nonlinear constraints 
    Padmaprabha, H.G.N.L.; Shanthidevi, K.C.N. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    This paper deals with semilinear delay evolution equations with nonlinear constraints. To find an integral solution to this problem, semilinear delay evolution equation with nonlinear constraints is converted into the ...
  • Design and construction of an automated rain gauge 
    Medis, W.W. Rukshan; Dharmaratne, W.G.D.; Bodhika, J.A.P.; Abeywickrama, S.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    An “Automated Rain Gauge” has been designed and constructed successfully using a microcontroller. The method is based on measuring the mass of rain water using a load cell. The rainfall is measured and recorded automatically ...
  • Characteristics of n-Cu2O/p-CuI junction photo-electrode in relation to solar energy conversion devices 
    Rajapaksha, R.D.A.A.; Fernando, C.A.N.; Foo, K.L.; Hashim, U.; Balakrishna, R.G. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    n-Cu2O/p-CuI junction photo-electrode was fabricated on copper sheets to make a solid state photo-voltaic cell. A photo current enhancement was found for the junction photo-electrode because of the efficient charge ...
  • Design and construction of a display system for systematic monitoring of the noodles steaming process at a local industry 
    Priyadarshani, N.V.D.P.; Dharmaratn, W.G.D.; Yapa, K.K.A.S.; Bodhika, J.A.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    The study was done at a prominent consumer goods manufacturing company in the southern province of Sri Lanka. Noodles are one of their products of high demand. Therefore, the company needed a systematic and comprehensive ...
  • Photoelectrochemical characteristics of p-Cu2O prepared by an easy fabrication method 
    Liyanaarachchi, U.S.; Fernando, C.A.N.; Foo, K.L. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    P-type Cu2O nano-surfaces were obtained by heating well cleaned, commercially available copper plates (98.9% purity and 2cm x 4cm in size). Initially, a heating rate of 100oC min-1 was provided with copper sheets ...
  • Design and construction of a temperature monitoring system for a noodles dryer at a local industry 
    Silva, B.H.B.M. De; Dharmaratna, W.G.D.; Yapa, K.K.A.S.; Bodhika, J.A.P. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    The drying process of noodles made at a local industry in Matara, was studied with the aim of making improvements to the machine used and the process followed. Frequent oven opening to check the quality and consistency ...
  • Preliminary results of noise level measurements inside passenger buses in southern province of Sri Lanka 
    Sethunga, S.M.N.; Bodhika, J.A.P.; Dharmaratna, W.G.D. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Commuters who use public buses including luxury ones to travel long distances often complain loud noise as a major disturbance to their journey. This study presents preliminary results of measurements of noise level ...
  • Use of TiO2 as electrochromic material with Chitosan gel polymer electrolyte in low cost electrochromic smart windows 
    Sarangika, H.N.M.; Senadeera, G.K.R.; Dissanayake, M.A.K.L. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Since most of the efficient electrochromic devices (ECDs) consist of expensive rare earth materials such as Tungsten (VI) oxide, (WO3) and Cerium (IV) oxide, (CeO2) and liquid electrolytes comprising with volatile ...
  • A low cost electronically controlled multi function dryer 
    Samanthi, S.H.; Ranatunga, E.M.; Abeywickrama, S.S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    A simple automated device has been designed and constructed to dehydrate different types of food for industrial applications. Preliminary tests indicated that the device could dehydrate a food under a desired temperature. ...
  • Fitting distribution to the extreme rainfall in Galle, Sri Lanka 
    Shajitha, S.H.; Perera, K. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    The occurrence of high magnitude rainfall results in primary natural hazards in Galle, Sri Lanka. Therefore, a study on the estimation of extreme rainfall for various return periods is important form the point of view ...
  • Treatment of highly coloured textile dyeing waste water by Fenton and photo Fenton processes 
    Rajapakshage, H. P. M. E.; Wanniarachchi, S. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    As textile industry in Sri Lanka generates large quantities of highly coloured wastewater from various steps of dyeing processes, there is a pressing need for an efficient waste water treatment method for the decolouration ...
  • Assessing the efficacy of some commercially available disinfectants and antiseptics 
    Chandraratne, G. H. E.; Pathirana, E.; Pathirana, I. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
    Disinfectants and antiseptics are chemical agents that are used to control microorganisms. The objectives of this study were to assess the efficacy of some selected disinfectants/antiseptics at the manufacturer-recommended ...

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