Browsing Faculty of Engineering Research Unit (ERU & MERCon) by Title

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  • A machine learning approach for nilm based on superimposed current profiles 
    Abeykoon, AMHS; Perera, APS; Sanjeewika, RK; Matharage, MDNV; Abeysinghe, AP [Conference-Full-text]
    This research focuses on identifying a new implementation of a machine learning approach for Nonintrusive load monitoring (NILM). We mathematically superimpose current profiles of individual appliances and compare ...
  • 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 ...
  • Machine learning-based approach for modelling elastic modulus of woven fabrics 
    Kularatne, SDMW; Ranawaka, RAHS; Fernando, EASK; Niles, SN; Jayawardane, TSS; Ranaweera, RKPS [Conference-Full-text]
    There has been a shift of focus from aesthetic properties to mechanical and functional properties of textiles with the recent developments in technical textiles and wearable technology. Therefore, understanding how various ...
  • Machine learning-based prediction of machine hours and fuel consumption: a case study in Aruwakkalu limestone quarry, Sri Lanka 
    Surangani, RKH; Dawalagala, HS; Reval, SS; Rodrigo, MAJ; Wijerathnayake, WMNC; Wickrama, MADMG; Wedage, WN [Conference-Full-text]
    The machine hours are of paramount importance in the mining sector as they directly impact production levels, operational costs, and overall efficiency. Accurate prediction of machine hours and fuel consumption using ...
  • Magnetic induction assisted levitation of metallized particles in sintered dela Iron ore pellets 
    Gobikrishna, S; Raguratnam, E; Guluwita, SP; Munasinghe, RGN De S; Fernando, WLW [Conference-Extended-Abstract]
    Degree of metallization is on important characteristic of reduced iron ore pellets when determining its applicability in the iron and steel making industry. If the degree of metallization is about 95 -97% induction furnace ...
  • Management of unaccounted -for-water in the greater colombo water supply Distribution system. 
    Ratnayake, N; Chandrasekera, HJVC [Conference-Full-text]
    Water losses in the water distribution system is a common phenomenon experienced by water supply facilities all over the world. Unaccounted-for-Water (UFW) is the difference between the quantity of water produced and the ...
  • Managing construction site material waste: web-based tool 
    Ekanayake, LL; Samarasinghe, DAS; Shamih, MSM; Jayakody, WHAJ [Conference-Extended-Abstract]
    Sri Lanka is a developing country which has considerable expanding infrastructure development projects. Hence, I construction industry generates lots of waste which cause a significant environmental and social impact. It ...
  • Manufacture and Usage of Fuel Ethanol in Sri Lanka- A Feasibility Study 
    Cooray, PLHM; Perera, DHN [Conference-Abstract]
    A 10 volume % blend of ethanol in petrol is the optimum product to introduce ethanol onto Sri Lankan fuel market. Ethanol in such a blend can also serve as an octane-enhancing additive. As a result, the value of ethanol ...
  • Manufacture of epsom salt from sea bitterns 
    Perera, SAS [Conference-Abstract]
    Large quant it ies of Epsom Salt (MgS04.7H20) and Kiesserite (MgS04.H20) are imported to Sri Lanka, ~IS fertilisers, for the cultivation of annual crops, such as cereals, fruits and vegetables and for the cultivation of ...
  • Manufacture of fuel ethanol from vegetable and fruit market waste 
    Perera, SAS; Perera, MAS; Ratnasinghe, RMCG; Perera, DHN; Mahawatta, DCG; Mahesh, KWC; Walliwala, SG
    In Sri Lanka, due to inappropriate packing, handling, transport, storage and poor, marketing strategies adopted by farmers, distributors and sellers, more than 40% of vegetables and fruits get spoilt and are thrown out as ...
  • Manufactured sand as river sand replacement for masonry binding mortar 
    Sundaralingam, K; Peiris, A; Sathiparan, N [Conference-Full-text]
    Binding mortar establish as an essential part of masonry for binding the masonry units together. Natural sand or river sand is used as a fine aggregate with cement for masonry binding mortar. Although the demand for river ...
  • A markov model based algorithm for calculating mean downtimes of distribution feeders 
    Ranawaka, S; Hewa, NW; Ranathunga, M; Abeygunawardane, S; De Silva, N [Conference-Full-text]
    Distribution utilities compute several reliability indices to assess the reliability performance of power systems. In reliability-based planning, these indices are computed using reliability planning models. Such models ...
  • Mathematical analysis of startup mark in elastic tape on a narrow fabric loom 
    Dayaratne, HDCT; Premakumara, R; Perera, T; Prince, S; Fernando, EASK; Jayawardane, TSS [Conference-Abstract]
    Start-up marks are considered as one of the major defect in woven fabric, it occurs when the loom is restarted after loom stoppage due to various reasons. This defect is more prominent in high speed weaving looms especially ...
  • Mathematical model and prototype design of an electro-hydraulic camless valvetrain 
    Perera, ULIU; Ranaweera, RKPS; Weerasinghe, WMSR [Conference-Extended-Abstract]
    Presented within is a synopsis of the mathematical model and prototype design & manufacture of an electro-hydraulic camless valvetrain. This valvetrain system was developed for use as a replacement for the conventional ...
  • A Mathematical model For Pyrolysis of Biomass 
    Fernando, N; Amin, M; Narayana, M; Jayawickrama, T; Asadullah; Jayasena, S [Conference-Abstract]
    Biomass is recently gaining popularity in industry as a promising source of renewable energy. Thermal conversion of biomass is recently gaining increased attention of researchers as a way of improving the efficiency of raw ...
  • Mathematical model to measure energy absorption of sports bra 
    Liyanage, PL; Prasanga, VSH; Niles, SN; Jayawardena, TSS; Fernando, EASK; Fernando, PR
    Measuring the shock absorbency level of sports garments is crucial to ensure support and stability during exercise. It allows for the evaluation of the garment's ability to absorb impact and reduce the risk of injuries ...
  • A mathematical model to predict the microalgal growth in an open pond cultivation 
    Rammuni, MN; Ariyadasa, TU; Nimarshana, PHV; Attalage, RA [Conference-Full-text]
    Cultivation is the paramount step of microalgae bioprocessing as a concentrated and flourished biomass broth will result in higher recoveries of its metabolites. But there is scarce model development for the prediction ...
  • Mathematical modeling of deodorization process for a cross current multistage deodorizer 
    Ariyapperuma, YP; Amarasinghe, ADUS [Conference-Extended-Abstract]
    Deodorization of fats and oils is necessary to remove the undesirable flavor and odor components that are naturally present or created during processing. A mathematical formula was derived to establish the relationship ...
  • Mathematical modeling of extraction of chlorophyll from alternanthera sessilis cultivated in Sri Lanka 
    Jinasena, MAM; Dissanayake, DMMB; Amarasinghe, ADUS; Amarasinghe, BMWPK; Prashantha, MAB [Conference-Extended-Abstract]
    Mass transfer modeling was used to study the extraction efficiency and the effect of temperature on solvent extraction of chlorophyll from. Alternanthera sessilis, which is a leafy vegetable cultivated in tropics and sub ...
  • Mathematical modelling and extrapolation of Streamflow for hydro-power development 
    Wijesekera, NTS [Conference-Full-text]
    Hydro-power development is important for Sri Lanka not simply because it is a means of energy generation but also because it utilizes a resource which does not create environmental hazards in the process of energy ...