Browsing Research Publications by Title

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  • Simulation of deployable solar sails 
    Piyumi, K. W. C.; Jayasekara, L. M. M. B.; Herath, H.M.S.T.; Mallikarachchi, H. M. Y. C. [Conference-Abstract]
    Concept of solar sailing which uses solar energy to propel a spacecraft is becoming popular as a low-cost spacecraft propulsion system, especially for high energy-consuming longrange spacecraft. To capture a sufficient ...
  • Simulation of enhanced force limiting gripper for bilateral teleoperation 
    Ruwanthika, RMM; Abeykoon, AMHS [Conference-Abstract]
    This paper proposes an enhanced force limiting gripper to avoid object deformation when it is in contact with the slave due to excessive forces imposed by the master operator in bilateral control. The force lock protects ...
  • Simulation of enhanced orthopidic drill for Bone surgery with Haptic Interface 
    Illangarathne, NC; Abeykoon, AMHS [Conference-Abstract]
    Novel robotized and haptic technologies are popular among the bio medical research areas due to its precision in operation. This paper presents haptic implementation to orthopedic surgeries which requires high skilled ...
  • Simulation of low cycle fatigue with Abaqus/FEA 
    Karivawasam, KKGKD; Mallikarachchi1, HMYC [Conference-Abstract]
    Low cycle fatigue is an important design consideration for large steel structures and metallic machine components. Accurate prediction of fatigue endurance is essential to design the elements subjected to fatigue. The ...
  • Simulation of mobile robot navigation with sensor fusion on an uneven path 
    Sumanarathna, DMGAIN; Senevirathna, IASR; Sirisena, KLU; Sandamali, HGN; Pillai, MB; Abeykoon, AMHS [Conference-Abstract]
    This paper describes the navigation of a two-wheel drive mobile robot along a predefined path under uneven road conditions where it cannot solely rely on encoders, GPS or an accelerometer individually. There are conditions ...
  • Simulation of natural fibers/waste paper composites to use as kraft papers 
    Madhushani, RK; Udayakumara, SV; Dilhari, BA [Conference-Extended-Abstract]
    The consumption of papers in various applications has been increased rapidly during the past decades. To produce one ton of paper; 12 trees, 540 000 liters of water, fuel consumption for transporting the trees are used ...
  • Simulation of online human arm inertia estimation for robot-aided rehabilitation 
    Harischandra, PAD; Harsha, AM; Abeykoon, S [Conference-Full-text]
    Most of the studies on rehabilitation robots consider the human arm inertia and the gravity torque as system disturbances. Individual anthropometry varies from patient to patient, and therefore human limbs are not ...
  • Simulation of paper-based curved crease origami structures 
    Kuruppu, L; Mallikarachchi, C [Conference-Full-text]
    Origami structure numerical simulations are important in analyzing deployable structures used in aerospace. The analytical equations for the edge curved motion are first considered and then a numerical modeling method ...
  • The simulation of the post flood drying of dwellings in London 
    Taylor, J; Davies, M; Lai, KM [Conference-Full-text]
    Climate projections indicate that the UK will experience more frequent extreme precipitation events and a rise in sea levels, with the greatest relative sea level rise occurring in the South-East of England. As a result, ...
  • Simulation of thermal behavior of ground concrete slab exposed to solar radiation 
    Karunarathne, AMAN; Mampearachchi, WK; Nanayakkara, SMA [Conference-Abstract]
    Rate of heat flux from solar radiation, thermal properties of concrete and heat loss from concrete due to convection parameters of surrounding influence the temperature variation of an exposed concrete slab. Literature ...
  • Simulation of ultra-thin membranes with creases 
    Mierunalan, S; Dassanayake, SP; Mallikarachchi, HMYC; Upadhyay, SH [Article-Full-text]
    Two dimensional nature of thin membranes has led to their evolution as an essential component in space structures that demand lighter mass and compact packaging. Origami based folding patterns are used to fold these membranes ...
  • Simulation on active vibration suppression using virtual spring-damper combination 
    Abeyrathna, PAMMB; Abeysiriwardhana, WASP; Amarasinghe, SW; Ariyasinghe, WMSL; Abeykoon, AMHS [Conference-Abstract]
    Active suspension is an emerging technology used to improve the contact, comfort and control of vehicles and in other vibration suppression applications. Different methods are used to control the actuator force exerted ...
  • Simulation performance of grid connected Z source solar inverter with incremental conductance MPPT 
    Jayasundara, DYM; Karunarathne, AMGT; Edirisooriya, HPUD; Jayasiri, LKN; Hemapala, KTMU; Karunadasa, JP; Lakshika, KAH [Conference-Full-text]
    Z source inverters (ZSI) can perform single stage, buck-boost conversion and have shown to offer slightly higher efficiency over traditional inverters. However, ZSI controller unit becomes more complex when achieving ...
  • A simulation study on novel clay secondary walling system for indoor cooling: a performance assessment 
    Sriskandaraja, V; Rajapaksha, M; Halwathura, R; Jayasinghe, GY [Conference-Full-text]
    Climate change is a defining issue of our times. It has an influence on humans and the ecosystem because of variations in the earth’s temperature and rainfall patterns. As people spend the majority of their time indoors, ...
  • Simulation study on the effect of calcium carbonate and talc volume fractions on the mechanical properties of thermoplastics 
    Thilakarathna, TDK; Erathnage, TU; Udayakumara, SV [Conference-Abstract]
    Today, particle reinforced composites are widely used in the manufacturing of thermoplastic products for a variety of applications. Other than the trial-and-error method, numerical methods are used to obtain the properties ...
  • Simulation study to jmprove out patient management at national hospital of Sri Lanka 
    Mathugama, SC; lndralingam, M; Lokupiriya, R [Conference-Extended-Abstract]
    Out Patient Department of National Hospital of Sri Lanka functions mainly as a primary care unit which provides number of different services. This department comprises of' a General OPD section. Admission section. Clinic ...
  • Simulation-based approach in selecting a wave energy converter for sri lankan wave conditions 
    Anjana, KGI; Deshan, DMT; Haputhanthrie, DS; Nissanka, ID [Conference-Full-text]
    With the growing interest in renewable energy, sea waves are considered as an energy source with a high potential for power generation. Sri Lanka being an island surrounded by the sea with about 1300 km long coastal belt, ...
  • A simulation-based framework for connected vehicle cybersecurity impact assessment 
    Jayaratne, DND; Kamtam, SH; Lu, Q; Abdur, R; Ramli, MA; Mepparambath, RM; Shaikh, SA; Nguyen, HN [Conference-Abstract]
    As connected vehicle technologies become increasingly prevalent, offering groundbreaking capabilities for vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications, the promise for improved traffic safety, ...
  • Simultaneous Development of Research Skills and Environmental Awareness through Library Orientation : a Case Study 
    Seneviratne, Thushari; Jayawardena, Chulantha [Conference-Abstract]
    The Sustainable Development Goals (SDGs) are divided into three categories: economic, social, and environmental. Of the 17 SDGs that were introduced by the United Nations Department of Economic and Social Affairs, goals ...
  • Single switch dual output variable DC power supply 
    Kumarawadu, S; Palayangoda, LK; Fernando, MM; Hemathunga, HPGS; Premathunga, DSM [Conference-Abstract]
    Single Switch Dual Output concept has been introduced through an idea of controlling two DC power outputs by using only one switch. The controlling strategy is to control one voltage output by duty the duty of the PWM and ...