Browsing by Author "Piyathilaka, L.C."

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    Designing Low Cost Smart Energy Meter
    (Uva Wellassa University of Srilanka, 2011) Hasanka, P.H.L.; Piyathilaka, L.C.; Ekanayake, R.M.T.C.B.
    NOTE: see the PDF version Smart energy meters are the next generation of electricity or gas meters which are software-based, power efficient devices that accurately track the energy consumption. The Smart energy meter offers major benefits to both the customers and companies, in terms of efficiency, reliability, and cost saving. There are three kinds of electricity meters available in the world. They are electromechanical meters, Electronic meters and multiple tariff (variable rate) meters. Electronic meters or smart energy meters, as opposed to traditional mechanical and/or electromechanical solutions in use, provide benefits as more accurate bills, lower bills, sell energy back to the grid, and flexible tariffs. Introducing smart energy metering to domestic electricity consumption has many advantages like reducing electricity consumption in peak hours, drawing consumer attention on their energy consumption and etc. These energy meters are commercially available in the market today. But to replace all the existing manual electrical meters with smart energy meters, large amount of money has to be invested. Therefore, designing a low cost smart energy meter will be the best solution for issues of increasing electricity consumption in the country. Accordingly, this project aimed to design a low cost smart energy meter to minimize energy consumption and energy costs for consumers by introducing a system to save energy and control the utilization of electricity at peak hours. And this project also focused to introduce a degree of automation, including Automated Meter Reading (AMR).
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    Development of a Virtual Dressing System
    (Uva Wellassa University of Srilanka, 2011) Liyanawaduge, A.K.; Piyathilaka, L.C.
    NOTE: see the PDF version Recent years there have been an overwhelming growth in the usage of internet based systems to sell appareled based products to online customers. One of the major problems that experienced by both electronic apparel merchants and customers is the difficulty in determining how a cloth will fit to the customer. Customers are reluctant to purchase garments online because they are unsure about the exact size to order, and how that cloth will look on them. Virtual dressing room is a relatively new concept which is slowly becoming more on a live video model of the customer. Therefore, the customer can be certain that both the style and the fit are matched before garments are purchased online. The need for the virtual dressing systems is becoming more essential with the rapid growth of online marketing systems. This will benefit the customers by saving the don and doff time. Also customers can order clothes online without going to a shop and try clothes. In addition customers can save lot of time that is wasted in fit on queues. Also shop owners can reduce the extra cost that is involved in fitting rooms and quality of the clothes will not be deteriorated by frequent touches by customers. Instead of operating in a limited geographical area shop owners can use virtual dressing rooms to sell their garments in the internet to a large customer base around the world.