Browsing by Author "Hemachandra, K"

3D full-field deformation measurement using stereo vision

Sarma, LS; Mallikarachchi, C [Conference-Full-text]

Measuring 3D deformation and strain are crucial parameters in structural engineering applications both at the construction and operational stages. Precise 3D full-field measurements are useful in structural optimization, ...

3d modeling and visualization of archaeological sites using modern engineering tools to promote tourism in Sri Lanka

Kodagoda, G; Wijesinghe, WHMCM; Illangarathna, ANL; Peiris, MDCD; Soysa, HSA; Virudake, PWS; Gunathilaka, HHC; Jayalath, JPME; Jayasinghe, YASS; Isuranda, NW; Jayasooriya, N; Kularathna, AHTS [Conference-Full-text]

The development of technology has paved the way to apply modern engineering tools in interdisciplinary perspectives. As a country relying heavily on tourism, the ancient heritage of Sri Lanka has its unique features, ...

Active and passive based hybrid cell balancing approach to series connected lithium-ion battery pack

Ekanayake, EMAGNC; Hemapala, KTMU; Jayathunga, U [Conference-Full-text]

Lithium-ion battery (LiB) technology is extensively used in energy storage systems (ESS), electric vehicles, and portable devices. Optimal cell balancing techniques for a battery management system are essential for the ...

Activity Participation Patterns of Individuals in Sri Lanka

Malshan, TMP; De Silva, GLDI [Conference-Full-text]

Activity-based models are replacing commonly used traditional four-step models due to their high temporal and spatial resolution, integrity, interdependency, and behavioural basis. The foundation of an activity-based model ...

Adaptive droop controller for energy management of islanded ac microgrids

Ediriweera, WEPS; Lidula, NWA [Conference-Full-text]

Distribution feeders with high penetration of renewable power generation can be converted into microgrids for providing more quality power with increased reliability. Virtual synchronous inertia is used to increase the ...

An adaptive yolo model for detection of faulty insulators in power transmission network using unmanned aerial vehicle

Ahnaf Shihab, ULM; Apsaan, MTMS; Fayas Ahamed, MH; Razeeya, MRE; Juhaniya, AIS [Conference-Full-text]

Effective monitoring and problem detection are thought necessary for assuring continuous power supply. This study developed a machine learning approach to detect and diagnose insulator failures in power transmission ...

Adversarial learning to improve question image embedding in medical visual question answering

Silva, K; Maheepala, T; Tharaka, K; Ambegoda, TD [Conference-Full-text]

Visual Question Answering (VQA) is a computer vision task in which a system produces an accurate answer to a given image and a question that is relevant to the image. Medical VQA can be considered as a subfield of general ...

AHP analysis to evaluate challenging factors affecting border crossing point’s operation efficiency in Mongolia

Erdene, JJ; Perera, KPDF; Kazushi, S [Conference-Full-text]

This research uses the Analytic Hierarchy Process method to identify key factors affecting border port operations in landlocked Mongolia. Factors include transportation, government policy, procedure, capacity building, ...

An alternative method to reduce the construction cost and the reinforcement usage of the rigid pavement near the toll plaza in expressways.

Kasthurirathne, H; Edirisooriya, UJW [Conference-Full-text]

In expressways, a toll plaza structure is a conspicuous structure, where vehicles frequently brake and accelerate within a small distance. As a result, the pavement deteriorates at a higher rate compared to normal bituminous ...

Analysis of flow induced vibration of high head francis turbine

Chandima, GPR; Miyanawala, TP; Nissanka, ID [Conference-Full-text]

The Francis hydro turbines are designed for the medium head power applications and in special circumstances, the high head Francis turbines are designed to convert the kinetic energy of the fluid to mechanical energy. The ...

Analysis of passenger perception on quality of service of railway transportation: coastal railway line, Sri Lanka

Thilakshan, T; Saranjan, P; Fernando, GVK; Bandara, JMSJ [Conference-Full-text]

The study focuses on assessing passenger perceptions of the service quality of the Sri Lankan Railways, focusing on the Coastal Railway Line in Sri Lanka. To determine areas for development and assess passenger satisfaction ...

An analytical approach for designing turbo expanders for organic rankine cycle

Ratnayake, RMSA; Bandara, RMAT; Sandaruwan, PHPL; Wijewardane, MA; Ranasinghe, RACP [Conference-Full-text]

ORCs (Organic Rankine Cycles) are becoming widely attractive for waste heat use since they facilitate power generation from low thermal content supplies. ORC may be optimized in various ways after determining the appropriate ...

An analytical design & optimization approach to enhance warehouse operations

Dissanayake, S; Rupasinghe, T [Conference-Full-text]

This paper presents an overview of integrating warehouse design and optimization modelling approach to enhance the supply chain performance. The approach is derived through a literature review as well as by considering the ...

Analyzing key determinants affecting electric vehicle adoption in Sri Lanka: a comprehensive evaluation

Saranjan, P; Thilakshan, T; Bandara, JMSJ

This study examines the factors influencing the adoption of electric vehicles (EVs) in Sri Lanka using a Multi- Attribute Utility Theory (MAUT) approach. The online questionnaire received responses from 210 participan ...

Analyzing the battery thermal behaviour under Sri Lankan driving and ambient conditions

Padmaperuma, C; Dissanayake, P; Gajanayake, S [Conference-Full-text]

On par with the technological advancements, the usage of electric vehicles (EVs) has been significantly prevalent in most parts of the world, even in the developing third world countries. During the study, it focusses ...

Analyzing the optimum contact angles of water droplets to mitigate the e-field stress on polymer insulator

Antony, AD; Arachchi, BATNKB; Gunasinghe, JB; Gunawardana, M; Samarasinghe, R [Conference-Full-text]

The water droplets present in the insulator surfaces cause variation in the e-field along the insulator surface. Variation in the e-field can lead to flashover and accelerate the ageing of the insulator and ultimately will ...

Applicability of eco-friendly solar adsorption refrigeration systems to reduce the energy consumption in industrial refrigeration applications

Punchihewa, KUC; Abeynayake, AADI; Weerasinghe, TS; Wijewardane, A; Amarasinghe, S; Jayasekara, JAGS [Conference-Full-text]

Hot and humid countries in the tropics spend a significant amount of energy for their refrigeration and air conditioning (RAC) applications due to the year-round high temperatures and relative humidities in the region. ...

Application of hec-ras 2d model to simulate scour depth around bridge piers-a case study on Kelanisiri bridge, Sri Lanka

Thembiliyagoda, A; De Silva, K; Wijayaratna, N [Conference-Full-text]

Scouring refers to the lowering of the level of river bed due to water erosion. Formation of vortices in the vicinity of bridges due to obstruction caused to river flow by piers and abutments is the core rationale behind ...

Application of lstm and ann models for traffic time headway prediction in expressway tollgates

Phan, QTN; Mondal, M; Kazushi, S [Conference-Full-text]

Traffic time headway is essential to support decision-making in safety management, capacity analysis, and service provision. Many studies on the time headway distribution on highways and urban roads serve two primary ...

Application of metaheuristic algorithms for generation system adequacy evaluation

Amarasinghe, PAGM; Abeygunawardane, SK [Conference-Full-text]

The evaluation of generation system adequacy has become a complex procedure due to the variability of renewable power generation. Renewable power models associated with Monte Carlo Simulation (MCS) require a considerable ...

Browsing by Author "Hemachandra, K"

Browsing by Author "Hemachandra, K"

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