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

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  • Low cost eye tracking system: detection of pupil centre and corneal reflection 
    Rodrigo, AS; Nagasinghe, DP; Pathiratne, KAMN; Pathirawasam, CD; Pawithra, WD; Perera, APA [Conference-Abstract]
    This paper discusses a method of implementing the detection of pupil centre and corneal reflection for a low cost, remote eye tracking system that is designed for usability analysis researches. The method we have used ...
  • Low Cost Fiber Optic Teaching Aid with Wide Dynamic Range Optical Power Meter and Bandwidth Analyzer 
    Samarawickrama, YC; Thilakumara, RP [Conference-Abstract]
    Fiber optic communication technology is an essential component in any Electrical Engineering curriculum. Unfortunately the expensive fiber optic communication equipment is a major drawback in teaching fiber optics theories ...
  • Low Cost Fiber Optic Teaching Aid with Wide Dynamic Range Optical Power Meter and Bandwidth Analyzer 
    Samarawickrama, YC; Thilakumara, RP [Conference-Abstract]
    Fiber optic communication technology is an essential component in any Electrical Engineering curriculum. Unfortunately the expensive fiber optic communication equipment is a major drawback in teaching fiber optics theories ...
  • A low cost optical barcode reader using a webcam 
    Janapriya, R; Kulararne, L; Pannipitiya, K; Gamakumara, A; De Silva, C [Conference-Extended-Abstract]
    Since their introduction in early J950's. barcodes have been found to be useful in many areas of applications. Today it has become the de-facto standards for object identification and labeling in many industries. There are ...
  • Low resource multi-asr speech command recognition 
    Mohamed, I; Thayasivam, U [Conference-Full-text]
    There are several applications when comes to spoken language understanding (SLU) such as topic identification and intent detection. One of the primary underlying components used in SLU studies are ASR (Automatic Speech ...
  • Low voltage cable path optimization using hightower’s algorithm and simulated annealing algorithm 
    Samarakkody, PH; Geethisha, LPR; Nanayakkara, VD; Rodrigo, AS [Conference-Full-text]
    Improvement of energy efficiency has become a major aspect in many industrial and commercial sectors to gain a competitive advantage by reducing the operational cost of the installation. But the current mandatory requirements ...
  • Low voltage DC microgrid control strategy using single phase DQ transformation 
    Weerakoon, WMSH; Wasundara, YHT; Weerasinghe, JCM; Weliwita, WALGK; Wickramasinghe, WMNP [Conference-Abstract]
    Energy and environmental issues on conventional energy sources has been a serious concern due to greenhouse gas emissions, depletion of energy resources and growing demand for electrical energy. Microgrid is an innovative ...
  • A low-complexity 2-d fir parallelogram filter for broadband beamforming with sparse linear arrays 
    Pakiyarajah, D; Edussooriya, CUS; Wijenayake, C; Madanayake, A [Conference-Full-text]
    Broadband beamformers designed as twodimensional (2-D) spatially-interpolated finite-extent impulse responses (FIR) filters, using a cascade structure, cannot employ sparse linear arrays despite significantly reducing the ...
  • Low-cost one-axis solar tracking operated by water pressure 
    Jayampathy, M; Watugala, GK [Conference-Extended-Abstract]
    Solar photovoltaic CPV)panels are increasingly used in rural areas of Sri Lanka where the main grid electricity is not available. The high initial cost is a major deterrent in the popularization of this renewable energy ...
  • 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 ...