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  • Design and construction of a stirling engine 
    Dharmawardane, UP; Sudeera, UPMADA; Wickramaratne, C; Wijesinghe, TM; Tissera, PDM [SRC-Report]
    Prof. R.A. Attalage and Dr.W.M.S.R.Weerasinghe of University of Moratuwa organized our group under the module ME420, with the goal of designing and modeling a Stirling engine that could be used to generate power for small ...
  • Design and construction of a sundial 
    Hettiarachchi, N [Article-Full-text]
    Sundial is a very simple instrument used to read time. The principle is the motion of the sun during sunrise and sunset. Usually a shadow of a stick or an edge can be set to fall on a calibrated dial so that during the ...
  • Design and construction of an automated test bench for mcb testing 
    Wickramarachchi, NK; Amaradasa, WGM; Amarasinghe, HKJ; Karunarathna, HKTR; Wijekoon, WM [Conference-Full-text]
    Testing of MCBs involve sending a preset current through the MCB under test until it trips or if not for a predefined period of time. The operational state of the MCB should be recorded for variable currents. Automation ...
  • Design and construction of horizontal axis wind mill For water pumping 
    Balasuriya, PD; Nimal, RP; Pathirana, CR; Sugathapala, AGT [Conference-Full-text]
    This paper presents design and construction details of a six-bladed horizontal axis wind mill suitable for small scale lift irrigation. The main outcome of the study is the improvement of the rotor performance by ...
  • Design and construction of stadium tiers – a case study of R. Premadasa Stadium, Sri Lanka 
    Rajasekaran, DT; Jayaweera, HDDL [Conference-Full-text]
    The R.Premadasa International Stadium which is one of the largest stadiums in the country and the only ground in Colombo with flood lights was one of the venues for the tenth ICC Cricket World Cup 2011. The ground which ...
  • Design and development of a fixture for Kelly bar mounting 
    Perera, PFS [Thesis-Full-text]
    The Kelly bar is a bulky, long and heavy device that is used in piling. The Kelly bar surface is not smooth and contains ribs and grooves. The Drilling process makes many damages to the Kelly bar. These damages are required ...
  • Design and development of a hand geometry recognition system for access control purposes 
    Samarasiri, BS; Jayasinghe, JAKS; Premaratne, MAUK [Conference-Extended-Abstract]
    In the information age, security is a critical issue faced by many organizations. There are three basic means of letting only authorized people in and keeping unauthorized people out. These are the use of passwords, ...
  • Design and development of a landmines removal robot 
    Hemapala, KTMU; Razzoli, RP [Article-Abstract]
    Humanitarian demining is a calamity of war affecting many third world countries. Mines are cheap weapons, built to sustain horrible injuries that target active people with a knock‐on effect upon economic growth. The clearing ...
  • Design and development of a landmines removal robot 
    Hemapala, KTMU; Razzoli, RP [Article-Abstract]
    Humanitarian demining is a calamity of war affecting many third world countries. Mines are cheap weapons, built to sustain horrible injuries that target active people with a knock‐on effect upon economic growth. The clearing ...
  • Design and development of a machine for selective plucking of tea or similar items 
    Krishantha, RPP; Fernando, MARV [Conference-Abstract]
    First stage of Tea manufacture is plucking. This may be done in two ways, "Pluck and select" OR "Select and pluck - called selective plucking". First method can use simple machines, such as grass trimmers even, and ...
  • Design and development of a mechanism to improve productivity in bugle bead attaching in apparel industry 
    Yapa, KGG [Thesis-Full-text]
    It is quite an obvious fact that as with progress of time various types of sophisticated innovative machines are developed in the world from time to time in order to mechanize and improve the enhancement of the productivity ...
  • Design and development of a microfluidic droplet generator with vision sensing for lab-on-a-chip devices 
    Samith Hettiarachchi a, Gehan Melroy a, Amith Mudugamuwa a, Peshan Sampath a, Charith Premachandra b, Ranjith Amarasinghe a b, Van Dau [Article-Full-text]
    Lab on a Chip (LOC) devices minimize, integrate, automate, and parallelize laboratory functions such as mixing, separation, and incubation on a single chip. Droplet generation is one key aspect in LOC devices which allows ...
  • Design and development of a novel fixturing solution for handling complex shaped components 
    Dharmathilaka, SPIE; Devasurendra, SN; Chathuranga, PK; Kulasekera, AL; Jayaweera, ND [Conference-Extended-Abstract]
    Fixturing is one of the key subprocesses used in many industries such as aerospace, automobile and marine engineering. Most existing fixturing systems use pin-type end effectors which apply concentrated loads (See Fig. 1. ...
  • Design and development of a novel oral care simulator for the training of nurses 
    Herath, B; Dewmin, GHS; Sukumaran, S; Amarasinghe, YWR; De Silva, AHTE; Mitani, A; Wijethunge, D; Sampath, WHP [Article-Full-text]
    Objective: A Novel Oral Care Simulator was designed and developed to measure and visualise the facial and lingual forces exerted on teeth by the action of tooth brushing, considering the irregular geometry and structural ...
  • Design and development of a novel re-configurable fixturing system 
    Jayaweera, ND; Subasinghe, LU; Gajanayaka, HGAR [Technical paper]
    Modem aerospace industry is continuously seeking new technologies due to potential increase in demand for new aircrafts which are to be produced on a single production line while reducing model changeover time and improving ...
  • Design and development of a payload module for rocket-borne experiments for university students (REXUS) 
    Ukwatta, UDAK; Khangamage, UP; Fernando, P [Conference-Extended-Abstract]
    Sounding rockets are the most common medium that are used carry instruments to near space for various types of experiments such as microgravity experiments, upper atmospheric experiments etc. However, due to high acceleration ...
  • Design and development of a remotely operated underwater vehicle for video transmission 
    Ranasinghe, RADAK [Thesis-Abstract]
    Today, Sri Lanka is no exception from performing underwater observations, search and rescue missions being very closer to a major maritime lane. According to the applicable maritime standards, standing operating procedures ...
  • Design and development of a rotary transformer testing machine 
    Samarasiri, BS; Jayasinghe, JAKS; Peiris, TDK [Conference-Extended-Abstract]
    Rotary transformers are designed to transmit electric signals from a rotating body to a fixed body or from a fixed body to a rotating body. In this regard, it is not possible to use lead wires to carry electrical signals ...
  • Design and development of a smart wheelchair with multiple control interfaces 
    Yashoda, HGMT; Piumal, AMS; Polgahapitiya, PGSP; Mubeen, MMM; Muthugala, MAVJ; Jayasekara, AGBP [Conference-Full-text]
    The degradation of mobility is one of the major concerns that affect the independent living ability of elderly/ disabled people. Therefore, mobility assistive devices are being developed to uplift the living standards ...
  • Design and development of a soft gripper system for difficult-to-handle food items 
    Hashanjana, L; Senanayaka, P; Madushan, I; Himaruwan, HDS; Kulasekera, AL; Dassanayake, PC [Conference-Full-text]
    There are many food products or handling operations, such as grasping food materials with less thickness and extremely delicate, which cannot be performed using existing soft grippers. As a result, these operations are ...