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  • Daylight utilisation in commercial buildings and potential energy savings 
    Korale, CJGM [Thesis-Abstract]
    Energy is one of the most vital contribut ions to sustainable development strategy of Sri Lanka. However, the r ising cost of energy generation, the deplet ion and the unpredictability of availability of energy resources ...
  • Daylight variability and human perception 
    Pathirage, LY; Perera, NGR [Conference-Full-text]
    Visual perception of a space is influenced by the composition and behaviour of light. Daylight as a natural element, creates different atmospheres in the same space by its variation of intensity, colour, and direction. It ...
  • A dc link for the power system simulator 
    Abeyrathne, PM; Abeysinghe, AMGT; Karunanayake, IM; Ranasinghe, PMH; Dias, MP; Lucas, JR [Conference-Full-text]
    High Voltage Direct Current (HVDC) links are used for bulk power transmission due to its advantages over the alternating current (ac) transmission. A HVDC link between India and Sri Lanka has also being proposed. Hence it ...
  • DC microgrid as a solution for utilisation of solar photovoltaic sources 
    Bandara, AIMH; Binduhewa, P; Ekanayake, J [Conference-Full-text]
    MicroGrid (MG) is a convenient solution to integrate renewable energy sources to the existing power network. Though ac MicroGrids are widely studied, researches are focused towards the implementation of dc MicroGrids ...
  • DC Motor inertia estimation for robust bilateral control 
    Perera, GVAGA; Pillai, MB; Abeykoon, AMHS [Conference-Abstract]
    Identification of system parameters of a small DC motor is a complex and challenging task. This research proposes a disturbance observer (DOB) based novel Change of Inertia Observer (CIOB) to estimate the moment of ...
  • DCT coefficient dependent quantization table modification steganographic algorithm 
    Senthooran, V; Ranathunga, L [Conference-Abstract]
    In frequency domain based image steganographic methods, especially Discrete Cosine Transformation (DCT), the selection of rounded quantized DCT coefficients in each block for data embedding is still an open issue. This ...
  • De-Silting of minor irrigation reservoirs : a study on major stakeholder opinions 
    Thoradeniya, B; Kumari, WMYNS [Article-Abstract]
    Minor irrigation reservoirs, commonly known as village tanks in Sri Lanka, play a vital role in the economic and social spheres of the rural village population, especially in the dry zone of Sri Lanka. A major issue of ...
  • Dealing with algal toxins and dissolved organics in drinking water 
    Ratnayake, N; Manatunge, JMA; Hapuarachchi, DP [Article-Abstract]
    Several types of cyanotoxins found in surface water bodies are recognized as having human health effects, whereas taste and odor affect the palatability of water and give rise to public complaints. Conventional water ...
  • Debas – a sinhala interactive voice response system 
    Nallathamby, JD; Kariyawasam, KKR; Pullaperuma, HD; Vithana, DC; Jayasena, S [Conference-Full-text]
    Although there are widely used Interactive Voice Response (IVR) systems in many languages today, there is no Sinhala language IVR system yet. This paper talks about an approach taken in developing a complete Sinhala IVR ...
  • deBas: a sinhala Interactive voice response (IVR) system 
    Nallathamby, JD; Kariyawasam, KKR; Pullaperuma, HD; Vithana, DC; Jayasena, S [Conference-Full-text]
    Although there are widely used Interactive Voice Response (IVR) systems in many languages today, there is no Sinhala language IVR system yet. This paper talks about deBas IVR: a complete Sinhala IVR with automatic speech ...
  • Decade of action for road safety: trends in road accidents, Sri Lanka 
    Ranawaka, RKTK; Pasindu, HR [Conference-Abstract]
    At present, nearly eight people die due to road accidents each day in Sri Lanka. This amounts to over 3000 fatalities per annum. This is an increase of 35.2% when compared to the fatalities in the year 2008. During the ...
  • Decentralisation in Hong Kong : housing, employment and land use implications 
    Kulatilake, KKRP [Thesis-Abstract]
    Growth polarities of the city into centralised and decentralised forms have been synonymous as the birth of the city itself. Concurrently, two basic schools of thought have sprung based on these and the patterns of city ...
  • Decentralized function as a service 
    Tissera SKNU [Thesis-Abstract]
    The objective of this research is to implement an automated, user-oriented, decentralized function as a service provider that replaces the existing centralized, single-authority FaaS providers in a way that can address ...
  • Decentralized waste water treatment by vermifiltration using river bed material 
    Bhargava, R; Verma, J; Prasad, KSH; Kumar, T [Conference-Full-text]
    Rural sewage treatment is now paid more and more attention in India. The high cost of wastewater collection and wastewater (WW) treatment is not permitting the conventional sewage treatment plant in small areas, so cost ...
  • Deceptive consumer review detection: a survey 
    Vidanagama, DU; Silva, TP; Karunananda, AS [Article-Full-text]
    One of the key decisions made during initial stages of chemical plant design and development is the chemical route selection. A chemical route is considered as the raw material(s) and the sequence of reaction steps that ...
  • Deciding on the consultancy fee for re-measurement contracts in the Sri Lankan construction industry 
    Madushani, SDA; Seneviratne, LDIP; Ganeshu, P [Conference-Full-text]
    Construction industry is the necessary national backbone in developing countries. Consultants are the stakeholders who supplies objective and independent external service to the client. Consulting is gradually becoming ...
  • Decision framework for fast-track construction: a deterministic analysis 
    Russell, AD; Ranasinghe, M [Article-Full-text]
    A deterministic analysis framework that permits the computation of an upper bound on the constant dollar expenditure that should be made to fast-track a project to achieve a specified duration is presented. It employs a ...
  • Decision making dashboard for agile test automation development 
    Mahagedara MMSU [Thesis-Abstract]
    Automatic testing enables faster iterations and reliable test outputs which leads to the delivery of a high-quality product. Test Automation in Agile development improves efficiency of development and faster execution, ...
  • Decision making framework for transportation infrastructure selection 
    Attanayake, U; Mohammed, AW; Hu, Y; Abudayyeh, O; Aktan, HM [Conference-Abstract]
    The world transportation system matures day-by-day wherein the congestion growth rate is alarming while its infrastructure growth has slowed down, which affects the quality of life. Developing highway infrastructure by ...
  • Decision making in product development : a review of the literature 
    Seram, N [Article-Abstract]
    For an effective product development process which identified the need of the customer, transferring the need to a product and making it producible, complex decisions are involved identifying reliable alternatives. In an ...