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  • Design of a garbage compacting tractor trailer hydraulic system 
    Wanigasinghe, N [Thesis-Abstract]
    The most common motorized vehicle used for garbage transportation in Sri Lanka is the tractor with an open trailer. Garbage is transported in an open system causing unpleasantness, pollution, bad smell, poor hygiene and ...
  • Design of a gravity wheel for mineral transport and power generation 
    Premalal, DADTR; Karunanayake, WAPC; Kodikara, NE; Razmy, SAM; Dissanayake, DMDOK [Conference-Full-text]
    The energy needs of the world Mining Industry show an exponentially increasing trend owing to greater demand. The best available reports speculate that our present oil reserves will last for 40 years at most; therefore, ...
  • Design of a high performance impeller for solid liquid mixing in low viscosity systems 
    Perera, SAS; Hatharasinghe, RC [Conference-Extended-Abstract]
    Mixing impellers are used to dissolve solutes in solvents, disperse solids in liquids and emulsify immiscible liquids. A system that needs mixing can be classified as a low viscosity system, a medium viscosity system or a ...
  • Design of a human powered vehicle for urban environments - frame and body 
    Molligoda, MLCY; Fernando, MARV [Conference-Abstract]
    The future of "green transport" is of great concern to rational planners and politicians who want to find solutions to the many environmental problems caused by the extreme popularity of the automobiles. Therefore, a ...
  • Design of a human-like robot head with emotions 
    Edirisinghe, EANS; Lakmal, RAP; Lakshitha, TGG; Sirimanna, SWDTS; Jayasekara, AGBP [Conference-Full-text]
    Service robots are used in a vast range of service applications. Domestic service robots have the requirement of a human-like appearance and inevitably a human-like interactive behaviors. In this paper, a human-like robot ...
  • Design of a low cost hand operated yarn trimming device for conventional lock stitch machines 
    Gopura, RARC; Attanayake, N; Arumapperuma, C; Aravinthan, V [Conference-Extended-Abstract]
    Yarn trimming is' carried out by using a pair of scissors in conventional lock stitch machines. Three steps should be followed to trim the yarn. First, the presser foot is lifted by using the knee lifter (hand lifter in ...
  • Design of a low cost magnatic separator for local beach sand separation. 
    Boralugoda, BPD; Udowita, UGKBP; Sayathan, K; Rohitha, LPS [Conference-Full-text]
    Study had been carried out to identify beach sand minerals available locally. Principles, cost, and design feasibilities of industrially used magnetic separators were reviewed. As the best suit for requirements permanent ...
  • Design of a low cost magnetic separator for local beach sand separation 
    Boralugoda, BPD; Udowita, UGKPB; Sayanthan, K; Rohitha, LPS [Conference-Full-text]
    Study had been carried out to identify beach sand minerals available locally. Principles, cost, and design feasibilities of industrially used magnetic separators were reviewed. As the best suit for requirements permanent ...
  • 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 ...
  • Design of a mobile phone antenna to reduce health risks 
    Kodippili, HKCLK [Thesis-Full-text]
    Mobile phones use Monopole antennas for communication. They have an omnidirectional radiation pattern in the plane perpendicular to the monopole. Mobile phones transmit high power electromagnetic waves to base stations. ...
  • Design of a multi-zone dielectric fresnel lens for microwave wireless power transfer in concrete structures 
    Salama, R; Liyanapathirana, R [Conference-Full-text]
    Wireless power transfer (WPT) can be used for a number of applications in civil engineering such as powering of embedded sensors in concrete. In this paper, a multi-zone dielectric lens is designed and used to enhance ...
  • Design of a novel 3d-printed soft actuator for clenched fist rehabilitation 
    Sandunika, MGI; Nanayakkara, PN; Perera, MVCJ; Ranjana, KDS; Madusanka, K [Conference-Full-text]
    This paper presents a novel 3D-printed, fold-based, soft pneumatic actuator for hand rehabilitation of patients with clenched fist deformity. Actuator design is specially focused on following the orientation of a clenched ...
  • Design of a novel current controlling module for functional electrical stimulation (fes) system 
    Chamal, GRP; Fernando, MIM; Kulathunga, WPMW; Pathirana, KD; Prins, NW [Conference-Full-text]
    Functional electrical stimulation (FES) is widely used in rehabilitative therapies such as restoration of motor function for post-stroke and other types of paralysis. Here we present the design of an FES current controlling ...
  • Design of a phase lead-lag controller for servo motors 
    Muralidaran, T; Nuwanpriya, KMA; Nagasinghe, AI; Neydorff, NA [Conference-Extended-Abstract]
    Servo motors are used in diverse industrial applications in the world today. The main feature of these applications is that they require precise position or velocity controlling. In this research, we have come up with a ...
  • Design of a pilot plant for biodiesel production from high free fatty acid oils 
    Hewa Walpita, DRS [Thesis-Abstract]
    Biodiesel or fatty acid methyl ester is a fuel that can be produced from lipid sources. It is popular as a totally renewable, nontoxic and biodegradable alternative fuel for fossil based diesel due to its numerous environment ...
  • Design of a power transmission system of a pedal car 
    Edirisinghe, A [Thesis-Abstract]
    Transportation has become a major socio-economic and environmental problem in urban environments today. Escalation of oil prices, environmental pollution, unsafe conditions, unbalanced designs of bicycles, motorcycles, and ...
  • Design of a small electric vehicle charger with multi-ports 
    Wijesekera, A; Binduhewa, P [Conference-Full-text]
    In developing countries, small vehicles such as three-wheelers are one of the most commonly used public transportation method and considered as an efficient way to travel in the traffic. Even though the commonly used type ...
  • Design of a solar hybrid dryer for copra drying 
    Udana, HPK; Amarasinghe, ADUS [Article-Abstract]
    A small scale, forced convection, solar-biomass hybrid dryer for drying copra has been designed, fabricated and tested for drying copra. The dryer is consisted with a solar air heater, a biomass-stove heat exchanger and ...
  • Design of a sustainable automotive turbocharger remanufacturing system 
    Jayawardane, H; Wijesinghe, K; Wildeniya, P; Gamage, JR [Conference-Full-text]
    Remanufacturing has been identified as the process of returning of end-of-life products to original or better condition and performance with lower resource consumption, waste, and emissions compared to conventional ...
  • The design of a sustainable efficient lighting program for Sri Lanka 
    Perera, MGMSU [Thesis-Abstract]
    In each year, electricity distribution expands through various requirements such as state sponsored rural electrification schemes and other interventions, connecting more consumers to the national grid, means the demand ...