ERU - 1999: Recent submissions

  • Performance of an electronic energy meter 
    Ranaweera, A; Wickramaratne, LS [Conference-Full-text]
    In this paper the principle of operation, implementation and performance of an integrated circuit based electronic energy meter are described. Comparison is made of the performance of the electronic energy meter with that ...
  • Energy dissipation characteristics of rock armoured rubble mound breakwaters 
    Hettiarachchi, SSL; Mirihagalla, PD [Conference-Full-text]
    The paper presents the results of large scale physical model investigations on the hydraulic performance of rock armoured rubble mound breakwaters. The energy dissipation characteristics of conventional trapezoidal layered ...
  • Silicone-wax filler to give stain resistance to cement, tile, terrazzo, terra cotta, marble, granite and timber surfaces 
    Perera, SAS [Conference-Abstract]
    The Silicone-Wax Filler discussed in this paper was developed for a reputed porcelain tile manufacturing company for use as a surface filler/sealer to a grade of floor tile called the polished tile, to make the tile stain ...
  • Structured modeling approach to modelbase management system in a decision support system 
    Indralingam, M [Conference-Abstract]
    General Decision support Systems first appeared in the early 1970's. Though a MIS might alert a manager to the fact that a problem existed, it was felt that it did not necessarily help in solving it. There was obviously a ...
  • Construction of a multilingual place name database for Sri Lanka 
    Weerasinghe, A; Dias, G [Conference-Full-text]
    Although the national languages of Sri Lanka are Sinhala and Tamil, due to the fact that most of the computer systems operate in English, almost all the databases in Sri Lanka have been implemented in English. This paper ...
  • A comparison of blast and earthquake resistant detailing concepts adopted for reinforced concrete buildings 
    Perera, DFU; Jayasinghe, MTR [Conference-Full-text]
    It is the duty of the professionals involved in the building industry to ensure that the buildings are safe and healthy. However, in many instances such as blasts and earthquakes, the building industry has failed to ensure ...
  • Earthquake resistance of loadbearing brickwork structures 
    Wijeratne, MD; Jayasinghe, MTR [Conference-Full-text]
    Unreinforced loadbearing brickwork is a cost effective alternative to reinforced concrete frame structures in low rise residential building such as two to three storey houses, hostel buildings and hotels. For its widespread ...
  • A CCTV image grabber for vehicular parameter detection. 
    Jayasinghe, JAKS; Nishantha, GGD [Conference-Full-text]
    The concept of vision information has become a key feature in moden vehicular traffic control and Intelligent Vehicle Highway Systems (IVHS) [1]. Vehicle detection by video cameras is one of the most promising new technologies ...
  • Design of a low noise pre amplifier for terrestrial television reception 
    Jayasinghe, JAKS [Conference-Full-text]
    Low Noise Pre-amplifiers (LNP) increase the quality of weak signals by amplifying them without introducing excessive noise generated inside the amplifier. The advantage of using LNP for weak TV signal reception is presented ...
  • Automated traffic signal controller with remote accessibility 
    Jayasinghe, JAKS; Arachchi, HK [Conference-Full-text]
    Development of the hardware, firmware and control and monitoring software to interface the UNIROAD Traffic Signal Controller (TSC) to Advanced Traffic Control System (ATCS) is described. This system is capable of controlling ...
  • Refrigeration system for Sri Lankan fishing boats 
    Wimalsiri, WK; Weerakoon, DAW; Weerasinghe, NMC; Fernando, MJP [Conference-Full-text]
    The fisheries sector in Sri Lanka has been expanding during past decade with growing local demand and export of fish. In order to cope with the demand, the size of fishing boat used for multi-day, deep-sea fishing has now ...
  • Prediction settlements of foundations on soft soils - a case study 
    Thilakasiri, HS; Peiris, TA; Tennakoon, BL [Conference-Full-text]
    Excessive settlement of engineering structures and subsequent correction procedure have become a major concern for both the public and the engineering community. The severity of the above problem has increased due to the ...
  • An analytical review of 40 years of bus transport since nationalization 
    Kumarage, AS [Conference-Full-text]
    The bus industry in Sri Lanka has undergone many changes throughout its existence. Though all such changes were introduced in order to improve bus services, most attempts have been either short lived or counter-productive. The ...
  • DSP-based speech training of hearing impaired children 
    Dias, D; Gajaweera, RN [Conference-Full-text]
    The paper describes the development of a speech trainer based on digital signal processing (DSP) techniques, for hearing impaired children. The DSP techniques investigated in the implementation of this software-based speech ...