Browsing MERCon - 2016 by Title

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  • Machine learning approach to recognize subject based sentiment values of reviews 
    De Mel, NM; Hettiarachchi, HH; Madusanka, WPD; Malaka, GL; Perera, AS; Kohomban, U [Conference-Full-text]
    Due to the increase in the number of people participating online on reviewing travel related entities such as hotels, cities and attractions, there is a rich corpus of textual information available online. However, to ...
  • Mirob: an intelligent service robot that learns from interactive discussions while handling uncertain information in user instructions 
    Muthugala, MAVJ; Jayasekara, AGBP [Conference-Full-text]
    This paper presents about an intelligent service robot named Moratuwa Intelligent Robot (MIRob) that can acquire knowledge through interactive discussion with the user while handling the uncertain information in the ...
  • Model-based input-adaptive vectorization 
    Sundararajah, K; Jayasena, S [Conference-Full-text]
    In a program, not all the bits of a variable are always used during execution. Identifying the minimum number of bits necessary to represent a variable in a program can potentially provide optimization opportunities. ...
  • Modelling of early age tensile strain development of fresh concrete 
    Weerasinghe, TGPL; Nanayakkara, SMA [Conference-Full-text]
    Plastic shrinkage cracking is a common phenomenon associated with concreting in hot and windy weather. Excess evaporation of bleed water causes loss of water from the concrete surface and plastic shrinkage occurs due ...
  • Modelling website user behaviors by combining the em and dbscan algorithms 
    Udantha, M; Ranathunga, S; Dias, G [Conference-Full-text]
    Web logs can provide a wealth of information on user access patterns of a corresponding website, when they are properly analyzed. However, finding interesting patterns hidden in the low-level log data is non-trivial due ...
  • New mems based micro gripper using sma for micro level object manipulation and assembling 
    Munasinghe, KC; Bowatta, BGCT; Abayarathne, HYR; Kumararathna, N; Maduwantha, LKAH; Arachchige, NMP; Amarasinghe, YWR [Conference-Full-text]
    Micro electro mechanical systems (MEMS) based micro gripper for micro-assembling processes is designed. Gripper arms are actuated using a combination of Ni-Ti shape memory alloys and Si springs allowing a gripping range ...
  • Non-destructive evaluation of strength gain of ordinary portland cement mortar by ultrasonic pulse velocity method 
    De Silva, SDC; Sivahar, V [Conference-Full-text]
    This paper presents results of the study of ultrasonic pulse velocity and compressive strength of ordinary Portland cement mortar. Objectives of this study are to determine correlations between ultrasonic pulse velocity ...
  • Non-linear behaviour of open-cell metal foam under tensile loading 
    Zimar, AMZ; Nowsath, MH; Muhammad, MN; Herath, SR [Conference-Full-text]
    Metal foams are used extensively in civil and mechanical engineering applications. However the behaviuor of metal foams under various loading conditions are not well understood. Therefore this study investigates ...
  • A novel mems motor based on thermal actuation 
    De Silva, AHTE; De Silva, DDN; Perera, KDCJ; Priyashantha, AMB; Sampath, LLR; Darshan, P; Jayathilaka, WADM; Amarasinghe, YWR [Conference-Full-text]
    It is essential for the Micro Electro Mechanical Systems (MEMS) research industry to introduce novel concepts of micro motors to overcome problems in existing micro motors. This paper propose a novel concept of a micro ...
  • A novel method and tool for detection of tumors and tissue abnormalities MRIplus for MRI image classification and segmentation 
    Jayamal, MD; Kurukulasooriya, KD; Weerasiri, SRBVT; De Silva, CR [Conference-Full-text]
    A single MRI scan generates a large number of images of various cross sections of the body. This large set of accumulated data makes manual analysis time consuming thus a smart tool for screening is vital. This paper ...
  • A novel method to measure abrasion of solid tires 
    Chathura, BAY; Punchihewa, HKG [Conference-Full-text]
    Peripheral velocity, floor surface, contact pressure and patch area, acceleration and deceleration, camber angle, turning and contact slip, and type of rubber compounds are key determinants of tire life. However, there ...
  • A numerical investigation and experimental validation on chip morphology of aluminum alloy 6061 during orthogonal machining 
    Akram, S; Imran, H; Khan, M; Mubashar, A; Warsi, S; Riaz, U [Conference-Full-text]
    In this research work, Aluminum alloy Al6061-T6 was machined in order to investigate the chip morphology at different cutting parameters. Chip morphology with different shapes and sizes affects various aspects such as ...
  • Numerical modelling of the behaviour of model shallow foundations on geocell reinforced sand 
    Sanjei, C; De Silva, LIN [Conference-Full-text]
    This paper focuses the development of a three dimensional numerical model to simulate the behaviour of geocell reinforced sand using PLAXIS 3D. Numerical modeling of the geocell has been an immense challenge due to their ...
  • Numerical simulation of the moisture diffusion in copra drying process 
    Mendis, ARL; Amarasinghe, ADUS; Narayana, M [Conference-Full-text]
    This study intends to determine the diffusion coefficient of moisture during hot air drying of copra. A computational fluid dynamic model was used to fine-tune the system parameters with experimental data. Drying ...
  • Open source mobile network 
    Sajeev, U; Muralitharan, R; Ramsan, MMM; Zamrath, MZM; Dias, D [Conference-Full-text]
    We present the development and testing of a cellular network built on open source technologies. This network supports voice calls and text messages within the network or between networks. The main objective of this work ...
  • Optimization of mashing process in beer production using rice as an adjunct 
    Mallawarachchi, KS; Bandara, LRLM; Dilshan, SKDHS; Ariyadasa, TU; Gunawardena, SHP [Conference-Full-text]
    Beer manufacturers worldwide use adjuncts like rice, wheat and sorghum to reduce the cost of production replacing the starch source malt. In Sri Lankan context, rice can be added as the adjunct. Optimization of mashing ...
  • Outdoor robot navigation using gmapping based slam algorithm 
    Balasuriya, BLEA; Chathuranga, BAH; Jayasundara, BHMD; Napagoda, NRAC; Kumarawadu, SP; Chandima, DP; Jayasekara, AGBP [Conference-Full-text]
    This paper presents the complete methodology followed in designing and implementing a tracked autonomous navigation robot which can navigate through an unknown outdoor environment using ROS (Robot Operating System). The ...
  • Performance investigation of hybrid arq in hsdpa systems with amc 
    Liyanage, NDK; Abeywickrama, CA; Kumari, PMIU; De Silva, SA; Wavegedara, CB [Conference-Full-text]
    In the world of telecommunication, demand for 3G mobile communication services still dominates the global market. It continues to grow despite the introduction of new technologies such as LTE and LTE-A. Hybrid Automatic ...
  • Potential for improving green roof performance through artificial irrigation 
    Heendeniya, HKCB; Ruwanthika, RMM; Jayasekara, AGBP [Conference-Full-text]
    Historically extensive green roofs were designed for natural precipitation with a plant selection focusing on hardy succulents such as sedums that can survive harsh, water stressed conditions. Although this seems a ...
  • Power system simulator- a teaching tool 
    Jothimuni, RSM; Wijerathne, HMDMB; Yapa, CAN; Wijethunga, DWNT; Lucas, JR; Silva, PSN de [Conference-Full-text]
    Protection schemes are mandatory for the safety and reliability of power systems operations. A Power System Simulator has been built as a teaching tool in order to provide a clear picture of the system, including ...